| Problem | Title | Problemsetter | Tests-Setter | Special Thanks |
| 219 | Department of Redundancy Department | Ruben Spaans | ||
| 254 | Towers of Hanoi | Miguel Revilla | ||
| 541 | Error Correction | Miguel Filgueiras | ||
| 607 | Scheduling Lectures | Howard Cheng | ||
| 649 | You Who? | Krzysztof Stencel | Josh Bao Krzysztof Stencel | |
| 701 | The Archeologists' Dilemma | Miguel Revilla | ||
| 702 | The Vindictive Coach | Miguel Revilla | ||
| 703 | Triple Ties: The Organizer's Nightmare | Miguel Revilla | ||
| 704 | Colour Hash | Pablo Puente | ||
| 770 | Puncher | Miguel Filgueiras | ||
| 772 | Divide et unita | Krzysztof Stencel | ||
| 775 | Hamiltonian Cycle | Mahbub Mushed Suman Miguel Revilla | ||
| 824 | Coast Tracker | Amilcar Cardoso | ||
| 825 | Walking on the Safe Side | Cristina Ribeiro | ||
| 826 | Symbolic Numerical System | Delfim Marado Torres | ||
| 827 | Buddy Memory Allocator | Fernando Silva | ||
| 828 | Deciphering Messages | Isabel Nunes | ||
| 829 | Almost Balanced Trees | Miguel Filgueiras | ||
| 830 | Shark | Pedro Guerreiro | ||
| 831 | Document Validator | Pedro Henriques | ||
| 832 | Financial Risk | José Paulo Leal | ||
| 833 | Water Falls | A. Augusto Sousa | ||
| 834 | Continued Fractions | Fernando Silva | ||
| 835 | Square of Primes | Gabriel David | ||
| 836 | Largest Submatrix | Fernando Silva | ||
| 837 | Light and Transparencies | A. Augusto Sousa | ||
| 838 | Worm World | Fernando Silva | ||
| 839 | Not so Mobile | José Paulo Leal | ||
| 840 | Deadlock Detection | Fernando Silva | ||
| 841 | Snake | Fernando Silva | ||
| 842 | Crossword Puzzles | Gordon V. Cormack Pedro Vasconcelos | ||
| 843 | Crypt Kicker | Gordon V. Cormack | ||
| 844 | Pousse | David Mason Ryerson Polytech | ||
| 845 | Gas Station Numbers | Gordon V. Cormack | ||
| 846 | Steps | Piotr Rudnicki | ||
| 848 | Fmt | Gordon V. Cormack | ||
| 850 | Crypt Kicker II | Gordon V. Cormack | ||
| 851 | Maze | Gordon V. Cormack | ||
| 852 | Deciding victory in Go | Joao Neto | ||
| 853 | DVD Subtitles | Pedro Guerreiro | ||
| 855 | Lunch in Grid City | Fernando Silva | ||
| 856 | The Vigenčre Cipher | Antonio Ferreira | ||
| 857 | Quantiser | Amilcar Cardoso | ||
| 858 | Berry Picking | Cristina Ribeiro | ||
| 859 | Chinese Checkers | Pedro Henriques | ||
| 860 | Entropy Text Analyzer | Delfim Marado Torres | ||
| 861 | Little Bishops | Rezaul Alam Chowdhury | ||
| 871 | Counting Cells in a Blob | Fernando Silva | ||
| 872 | Ordering | Gabriel David | ||
| 881 | Points, Polygons and Containers | A. Augusto Sousa | ||
| 883 | Overlapping Rectangles | A. Augusto Sousa | ||
| 900 | Brick Wall Patterns | Fernando Silva | ||
| 901 | From Databases to XML | Gabriel David | ||
| 902 | Password Search | Ricardo Lopes | ||
| 903 | Spiral of Numbers | José Paulo Leal | ||
| 904 | Overlapping Air Traffic Control Zones | Fernando Silva | ||
| 905 | Tacos Panchita | Amilcar Cardoso | ||
| 906 | Rational Neighbor | Delfim Marado Torres | ||
| 907 | Winterim Backpacking Trip | Fernando Silva | ||
| 908 | Re-connecting Computer Sites | Joao Marques | ||
| 909 | The BitPack Data Compression Problem | Jose Carlos Ramallo | ||
| 910 | TV game | Gabriel David | ||
| 911 | Multinomial Coefficients | Pedro Guerreiro | ||
| 912 | Live From Mars | Simao Sousa | ||
| 913 | Joana and the Odd Numbers | Fernando Silva | ||
| 914 | Jumping Champion | Pedro Ribeiro | ||
| 915 | Stack of Cylinders | A. Augusto Sousa | ||
| 916 | Dividing Land | Pedro Ribeiro | ||
| 917 | Euro 2004 | Pedro Ribeiro | ||
| 918 | ASCII Mandelbrot | Pedro Ribeiro | ||
| 919 | Cutting Polyominoes | Ana Paula Tomas | ||
| 920 | Sunny Mountains | Simao Melo de Sousa | ||
| 921 | A Word Puzzle in the Sunny Mountains | Pedro Henriques | ||
| 922 | Rectangle by the Ocean | Pedro Guerreiro | ||
| 923 | One Against Many | Nuno Preguica | ||
| 924 | Spreading The News | Margarida Mamede | ||
| 925 | No more prerequisites, please! | Isabel Nunes | ||
| 926 | Walking Around Wisely | Fernando Silva | ||
| 927 | Integer Sequences from Addition of Terms | Delfim Marado Torres | ||
| 928 | Eternal Truths | Ana Paula Maldonado | ||
| 933 | Water Flow | Antonio Ferreira | ||
| 940 | Autobiographical Numbers | Krzysztof Stencel | ||
| 944 | Happy Numbers | Roger Isanta | ||
| 945 | Loading a Cargo Ship | Antonio Ferreira | ||
| 967 | Circular | Jane Alam Jan | Joachim Wulff (Little Joey) | |
| 974 | Kaprekar Numbers | Jane Alam Jan | Joachim Wulff (Little Joey) | |
| 979 | The Abominable Triangleman | Amilcar Cardoso Francisco Pereira | ||
| 980 | X-Express | Pedro Henriques | ||
| 981 | Systematic Cyclic Redundancy Check Codes | Manuela Pereira | ||
| 982 | Cube | Jose Oliveira | ||
| 983 | Localized Summing for Blurring | Paul Crocker | ||
| 984 | Finding Haplotypes | Arlindo Oliveira | ||
| 985 | Round and Round Maze | Pedro Ribeiro | ||
| 986 | How Many? | Delfim Marado Torres | ||
| 987 | Maternity | Pedro Guerreiro | ||
| 999 | Book signatures | Antonio Ferreira | Roger Isanta | |
| 10008 | What's Cryptanalysis? | Gordon V. Cormack | ||
| 10009 | All Roads Lead Where? | Gordon V. Cormack | ||
| 10010 | Where's Waldorf? | Gordon V. Cormack | ||
| 10011 | Where Can You Hide? | Gordon V. Cormack | ||
| 10012 | How Big Is It? | Gordon V. Cormack | ||
| 10013 | Super long sums | Alex Gevak | ||
| 10014 | Simple calculations | Alex Gevak | ||
| 10020 | Minimal coverage | Alex Gevak | ||
| 10021 | Cube in the labirint | Alex Gevak | ||
| 10022 | Delta-wave | Alex Gevak | ||
| 10023 | Square root | Alex Gevak | ||
| 10024 | Curling up the cube | Alex Gevak | ||
| 10025 | The ? 1 ? 2 ? ... ? n = k problem | Alex Gevak | ||
| 10026 | Shoemaker's Problem | Alex Gevak | ||
| 10027 | Language Cardinality | Gordon V. Cormack | ||
| 10028 | Demerit Points | Gordon V. Cormack | ||
| 10029 | Edit Step Ladders | Gordon V. Cormack | ||
| 10031 | Saskatchewan | Gordon V. Cormack | ||
| 10032 | Tug of War | Gordon V. Cormack | ||
| 10033 | Interpreter | Gordon V. Cormack | ||
| 10034 | Freckles | Gordon V. Cormack | ||
| 10035 | Primary Arithmetic | Gordon V. Cormack | ||
| 10037 | Bridge | Gordon V. Cormack | ||
| 10040 | Ouroboros Snake | Pablo Puente | ||
| 10041 | Vito's Family | Pablo Puente | ||
| 10047 | The Monocycle | Rezaul Alam Chowdhury | ||
| 10048 | Audiophobia | Rezaul Alam Chowdhury | ||
| 10049 | Self-describing Sequence | Rezaul Alam Chowdhury | ||
| 10050 | Hartals | Rezaul Alam Chowdhury | ||
| 10051 | Tower of Cubes | Rezaul Alam Chowdhury | ||
| 10052 | Inviting Politicians | Rezaul Alam Chowdhury | ||
| 10053 | Envelopes | Rezaul Alam Chowdhury | ||
| 10054 | The Necklace | Rezaul Alam Chowdhury | ||
| 10055 | Hashmat the Brave Warrior | Shahriar Manzoor | ||
| 10056 | What is the Probability ? | Shahriar Manzoor | ||
| 10058 | Jimmi's Riddles | Rezaul Alam Chowdhury Suman Kumar Nath Tarique Mesbaul Islam | ||
| 10059 | The Hazard of CSE Department! | Shahriar Manzoor | ||
| 10060 | A hole to catch a man | Rezaul Alam Chowdhury Suman Kumar Nath Tarique Mesbaul Islam | ||
| 10061 | How many zero's and how many digits ? | Shahriar Manzoor | ||
| 10062 | Tell me the frequencies! | Shahriar Manzoor | ||
| 10063 | Knuth's Permutation | Shahriar Manzoor | ||
| 10065 | Useless Tile Packers | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10066 | The Twin Towers | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10067 | Playing with Wheels | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10068 | The Treasure Hunt | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10069 | Distinct Subsequences | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10070 | Leap Year or Not Leap Year and ... | Shahriar Manzoor | Rezaul Alam Chowdhury | |
| 10071 | Back to High School Physics | Shahriar Manzoor | Rezaul Alam Chowdhury | |
| 10072 | Bob Laptop Woolmer and Eddie Desktop Barlow | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10073 | Constrained Exchange Sort | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10074 | Take the Land | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10075 | Airlines | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10076 | The Bumpy Robot | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10077 | The Stern-Brocot Number System | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10078 | The Art Gallery | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10079 | Pizza Cutting | Rezaul Alam Chowdhury | Shahriar Manzoor | |
| 10080 | Gopher II | Piotr Rudnicki | ||
| 10081 | Tight Words | Piotr Rudnicki | ||
| 10082 | WERTYU | Gordon V. Cormack | ||
| 10083 | Division | Piotr Rudnicki | ||
| 10084 | Hotter Colder | Gordon V. Cormack | ||
| 10085 | The most distant state | Rezaul Alam Chowdhury | ||
| 10086 | Test the Rods | Rezaul Alam Chowdhury | ||
| 10087 | The Tajmahal of ++Y2k | Shahriar Manzoor | ||
| 10088 | Trees on My Island | Rezaul Alam Chowdhury | ||
| 10089 | Repackaging | Rezaul Alam Chowdhury | ||
| 10090 | Marbles | Rezaul Alam Chowdhury | ||
| 10091 | The Valentine's Day | Shahriar Manzoor | ||
| 10092 | The Problem with the Problem Setter | Rezaul Alam Chowdhury | ||
| 10093 | An Easy Problem! | Shahriar Manzoor | ||
| 10094 | Place the Guards | Shahriar Manzoor | ||
| 10095 | Saving the Planet | Shahriar Manzoor | ||
| 10096 | The Richest Man of the Universe | Shahriar Manzoor | ||
| 10097 | The Color Game | Rezaul Alam Chowdhury | ||
| 10098 | Generating Fast | Shahriar Manzoor | ||
| 10099 | The Tourist Guide | Rezaul Alam Chowdhury | ||
| 10100 | Longest Match | Tanbir Ahmed | ||
| 10101 | Bangla Numbers | Tanbir Ahmed | ||
| 10102 | The path in the colored field | Olga Zaverach | ||
| 10103 | Karpovich blocks | Sergey Karpovich | ||
| 10104 | Euclid Problem | Alexander Denisjuk | ||
| 10105 | Polynomial Coefficients | Alexander Denisjuk | ||
| 10106 | Product | Eugeny Voronin | ||
| 10107 | What is the Median? | Sadi Khan | ||
| 10108 | The Mosquito Killer Mosquitos | Suman Mahbub | ||
| 10109 | Solving Systems of Linear Equations | Suman Mahbub | ||
| 10110 | Light, more light | Sadi Khan Suman Mahbub | ||
| 10117 | Nice Milk | Rujia Liu | ||
| 10118 | Free Candies | Rujia Liu | ||
| 10119 | Farewell | Rujia Liu | ||
| 10120 | Gift?! | Rujia Liu | ||
| 10121 | Legendary Pokemon | Rujia Liu | ||
| 10122 | Mysterious Mountain | Rujia Liu | ||
| 10124 | Subway | Gordon V. Cormack | ||
| 10125 | Sumsets | Gordon V. Cormack | ||
| 10126 | Zipf's Law | Gordon V. Cormack | ||
| 10127 | Ones | Piotr Rudnicki | ||
| 10128 | Queue | Marcin Wojciechowsky | ||
| 10129 | Play on Words | Marcin Wojciechowsky | ||
| 10130 | SuperSale | Marcin Wojciechowsky | ||
| 10131 | Is Bigger Smarter? | Charlie Rackoff | ||
| 10132 | File Fragmentation | Charles L. A. Clarke | ||
| 10133 | Audubon's Stormy Arctic Trip | Michael Van Biesbrouck | ||
| 10134 | AutoFish | Charles L. A. Clarke | ||
| 10135 | Herding Frosh | Gordon V. Cormack | ||
| 10136 | Chocolate Chip Cookies | Gordon V. Cormack | ||
| 10137 | The Trip | Gordon V. Cormack | ||
| 10138 | CDVII | Gordon V. Cormack | ||
| 10139 | Factovisors | Gordon V. Cormack | ||
| 10140 | Prime Distance | David Mason | ||
| 10141 | Request for Proposal | Gordon V. Cormack | ||
| 10142 | Australian Voting | Gordon V. Cormack | ||
| 10149 | Yahtzee | Gordon V. Cormack | ||
| 10150 | Doublets | Gordon V. Cormack | ||
| 10151 | Spaghetti | Gordon V. Cormack | ||
| 10152 | ShellSort | Charles L. A. Clarke Gordon V. Cormack | ||
| 10153 | New Horizons | Charles L. A. Clarke Gordon V. Cormack | ||
| 10154 | Weights and Measures | Gordon V. Cormack | ||
| 10155 | Green Eggs and Ham | Charles L. A. Clarke Michael Van Biesbrouck | ||
| 10156 | Sala-ma-Sond, A Nice Little Pond | Charles L. A. Clarke | ||
| 10157 | Expressions | Petko Minkov | ||
| 10158 | War | Petko Minkov | ||
| 10159 | Star | Petko Minkov | ||
| 10160 | Servicing Stations | Petko Minkov | ||
| 10168 | Summation of Four Primes | Shahriar Manzoor | ||
| 10169 | Urn-ball Probabilities ! | Shahriar Manzoor | ||
| 10170 | The Hotel with Infinite Rooms | Shahriar Manzoor | ||
| 10171 | Meeting Prof. Miguel... | Shahriar Manzoor | ||
| 10172 | The Lonesome Cargo Distributor | Rezaul Alam Chowdhury | ||
| 10173 | Smallest Bounding Rectangle | Rezaul Alam Chowdhury | ||
| 10174 | Couple-Bachelor-Spinster Numbers. | Shahriar Manzoor | ||
| 10175 | Sphere | Shahriar Manzoor | ||
| 10176 | Ocean Deep ! - Make it shallow !! | Shahriar Manzoor | ||
| 10177 | (2/3/4)-D Sqr/Rects/Cubes/Boxes? | Shahriar Manzoor | ||
| 10178 | Count the Faces. | Shahriar Manzoor | ||
| 10179 | Irreducable Basic Fractions | Rezaul Alam Chowdhury | ||
| 10180 | Rope Crisis in Ropeland! | Rezaul Alam Chowdhury | ||
| 10181 | 15-Puzzle Problem | Rezaul Alam Chowdhury Shahriar Manzoor | Munirul Abedin | |
| 10201 | Adventures in Moving - Part IV | Ond?ej Lhoták | ||
| 10202 | Pairsumonious Numbers | Gordon V. Cormack Piotr Rudnicki | ||
| 10203 | Snow Clearing | Gordon V. Cormack | ||
| 10204 | Adventures in Moving - Part V | Gordon V. Cormack | ||
| 10205 | Stack 'em Up | Gordon V. Cormack | ||
| 10207 | The Unreal Tournament | Shahriar Manzoor | ||
| 10208 | Liar or Not Liar that is the... | Shahriar Manzoor | ||
| 10209 | Is This Integration ? | Shahriar Manzoor | ||
| 10210 | Romeo and Juliet ! | Shahriar Manzoor | ||
| 10211 | Divisibility Testing! Wow! | Shahriar Manzoor | ||
| 10212 | The Last Non-zero Digit. | Shahriar Manzoor | ||
| 10213 | How Many Pieces of Land ? | Shahriar Manzoor | ||
| 10215 | The Largest/Smallest Box ... | Shahriar Manzoor | ||
| 10216 | The Optimal Coffee Shop!! | Shahriar Manzoor | ||
| 10217 | A Dinner with Schwarzenegger!!! | Shahriar Manzoor | ||
| 10218 | Let's Dance !!! | Shahriar Manzoor | ||
| 10219 | Find the ways ! | Ahmed Shamsul Arefin | ||
| 10220 | I Love Big Numbers ! | Ahmed Shamsul Arefin | ||
| 10221 | Satellites | Ahmed Shamsul Arefin | ||
| 10222 | Decode the Mad man | Ahmed Shamsul Arefin | ||
| 10223 | How many nodes ? | Ahmed Shamsul Arefin | ||
| 10224 | Return of the Jedi | Gordon V. Cormack | ||
| 10225 | Discrete Logging | Gordon V. Cormack | ||
| 10226 | Hardwood Species | Gordon V. Cormack | ||
| 10227 | Forests | Gordon V. Cormack | ||
| 10228 | Star not a Tree? | Gordon V. Cormack | ||
| 10229 | Modular Fibonacci | Arun Kishore | ||
| 10230 | Savage Garden | Arun Kishore | ||
| 10231 | Matrix World | Arun Kishore | ||
| 10232 | Bit-wise Sequence | Arun Kishore | ||
| 10233 | Dermuba Triangle | Arun Kishore | ||
| 10234 | Frequent Substrings | Arun Kishore | ||
| 10235 | Simply Emirp | Arun Kishore | ||
| 10236 | The Fibonacci Primes | Shahriar Manzoor | ||
| 10237 | Bishops | Rezaul Alam Chowdhury | ||
| 10238 | Throw the Dice | Shahriar Manzoor | ||
| 10239 | The Book-shelver's Problem | Rezaul Alam Chowdhury | ||
| 10240 | The n-Dimensional Cities | Shahriar Manzoor | ||
| 10241 | Semi-triangular and also Square | Shahriar Manzoor | ||
| 10243 | Fire! Fire!! Fire!!! | Rezaul Alam Chowdhury | ||
| 10244 | First Love !!! | Shahriar Manzoor | ||
| 10245 | The Closest Pair Problem | Shahriar Manzoor | ||
| 10246 | Asterix and Obelix | Rezaul Alam Chowdhury | ||
| 10247 | Complete Tree Labeling | Shahriar Manzoor | ||
| 10248 | The Integer All-time Champ | Miguel Revilla | ||
| 10249 | The Grand Dinner | Rezaul Alam Chowdhury | ||
| 10250 | The Other Two Trees | Shahriar Manzoor | ||
| 10251 | Min-Max Cake | Shahriar Manzoor | ||
| 10253 | Series-Parallel Networks | Rezaul Alam Chowdhury | ||
| 10254 | The Priest Mathematician | Miguel Revilla | ||
| 10255 | The knight's Tour | Shahriar Manzoor | ||
| 10256 | The Great Divide | Rezaul Alam Chowdhury | ||
| 10257 | Dick and Jane | Gordon V. Cormack | ||
| 10258 | Contest Scoreboard | Michael Van Biesbrouck | ||
| 10259 | Hippity Hopscotch | Gordon V. Cormack | ||
| 10260 | Soundex | Gordon V. Cormack | ||
| 10261 | Ferry Loading | Gordon V. Cormack | ||
| 10262 | Suffidromes | Derek Kisman | ||
| 10263 | Railway | Olga Zaverach | ||
| 10264 | The Most Potent Corner | Sergey Karpovich | ||
| 10265 | Toroidal Chess Queens' Problem | Alexander Denisjuk | ||
| 10266 | Surveying | Alexander Denisjuk | ||
| 10267 | Graphical Editor | Alexander Denisjuk | ||
| 10268 | 498-bis | Alexander Denisjuk | ||
| 10269 | Adventure of Super Mario | Rujia Liu | ||
| 10270 | Bigger Square Please... | Rujia Liu | ||
| 10271 | Chopsticks | Rujia Liu | ||
| 10272 | DDR King | Rujia Liu | ||
| 10273 | Eat or Not to Eat? | Rujia Liu | ||
| 10274 | Fans and Gems | Rujia Liu | ||
| 10275 | Guess the Number! | Rujia Liu | ||
| 10276 | Hanoi Tower Troubles Again! | Rujia Liu | ||
| 10277 | Boastin' Red Socks | Derek Kisman | ||
| 10278 | Fire Station | Gordon V. Cormack | ||
| 10279 | Mine Sweeper | Gordon V. Cormack | ||
| 10280 | Old Wine Into New Bottles | Gordon V. Cormack | ||
| 10281 | Average Speed | Gordon V. Cormack | ||
| 10282 | Babelfish | Ond?ej Lhoták | ||
| 10283 | The Kissing Circles | Shahriar Manzoor | Eric Friedman | |
| 10285 | Longest Run on a Snowboard | Stefan Pochmann | ||
| 10286 | Trouble with a Pentagon | Shahriar Manzoor | ||
| 10287 | Gifts in a Hexagonal Box | Shahriar Manzoor | Eric Friedman | |
| 10289 | A Square and Equilateral Triangles | Shahriar Manzoor | Eric Friedman | |
| 10290 | {Sum+=i++} to Reach N | Shahriar Manzoor | ||
| 10294 | Arif in Dhaka (First Love Part 2) | Shahriar Manzoor | ||
| 10295 | Hay Points | Gordon V. Cormack | ||
| 10296 | Jogging Trails | Gordon V. Cormack | ||
| 10297 | Beavergnaw | Gordon V. Cormack | ||
| 10298 | Power Strings | Gordon V. Cormack | ||
| 10299 | Relatives | Gordon V. Cormack | ||
| 10300 | Ecological Premium | Frank Hutter | ||
| 10302 | Summation of Polynomials | Rodrigo Malta Schmidt | ||
| 10303 | How Many Trees? | Rodrigo Malta Schmidt | ||
| 10304 | Optimal Binary Search Tree | Rodrigo Malta Schmidt | ||
| 10305 | Ordering Tasks | Rodrigo Malta Schmidt | ||
| 10309 | Turn the Lights Off | Stefan Pochmann | ||
| 10310 | Dog and Gopher | Gordon V. Cormack | ||
| 10311 | Goldbach and Euler | Michael Van Biesbrouck | Shahriar Manzoor | |
| 10312 | Expression Bracketing | Shahriar Manzoor | ||
| 10313 | Pay the Price | Shahriar Manzoor | ||
| 10314 | Three Pigs | Andreev Konstantin Nazarov Denis | ||
| 10315 | Poker Hands | Gordon V. Cormack | ||
| 10316 | Airline Hub | Gordon V. Cormack | ||
| 10317 | Equating Equations | Gordon V. Cormack | ||
| 10320 | Cow Trouble! Help Please!! | Shahriar Manzoor | ||
| 10322 | The Four in One Stadium | Shahriar Manzoor | ||
| 10323 | Factorial! You Must be Kidding!!! | Shahriar Manzoor | ||
| 10325 | The Lottery | Md. Kamruzzaman (KZaman) | ||
| 10326 | The Polynomial Equation | Md. Kamruzzaman (KZaman) | ||
| 10327 | Flip Sort | Md. Kamruzzaman (KZaman) | ||
| 10328 | Coin Toss | Md. Kamruzzaman (KZaman) | ||
| 10329 | Combinatorial Expression | Md. Kamruzzaman (KZaman) | ||
| 10330 | Power Transmission | Md. Kamruzzaman (KZaman) | ||
| 10331 | The Flyover Construction | Md. Kamruzzaman (KZaman) | ||
| 10332 | The Absent Minded Professor | Md. Kamruzzaman (KZaman) | ||
| 10333 | The Tower of ASCII | Md. Kamruzzaman (KZaman) | ||
| 10334 | Ray Through Glasses | Mohammad Sajjad Hossain | ||
| 10335 | Ray Inside a Polygon | Md. Kamruzzaman (KZaman) Mohammad Sajjad Hossain | ||
| 10336 | Rank the Languages | Stefan Pochmann | ||
| 10337 | Flight Planner | Frank Hutter | ||
| 10341 | Solve It | Mustaq Ahmed | ||
| 10342 | Always Late | Mustaq Ahmed | ||
| 10343 | Base64 Decoding | Mustaq Ahmed | ||
| 10344 | 23 out of 5 | Thomas Strohmann | ||
| 10345 | Cricket/Football Goes Down | Shahriar Manzoor | ||
| 10347 | Medians | Shahriar Manzoor | ||
| 10350 | Liftless EME | Mustaq Ahmed | ||
| 10351 | Cutting Diamonds | Mustaq Ahmed | ||
| 10352 | Count the eWords | Mustaq Ahmed | ||
| 10353 | Circles in Hexagon :-) | Shahriar Manzoor | ||
| 10354 | Avoiding Your Boss | Shahriar Manzoor | ||
| 10355 | Superman | Mustaq Ahmed | ||
| 10356 | Rough Roads | Mustaq Ahmed | ||
| 10357 | Playball !!! | Ghyslain Pelletier | ||
| 10358 | Matrix | Andreas Björklund | ||
| 10362 | Trains | Gordon V. Cormack | ||
| 10363 | Tic Tac Toe | Gordon V. Cormack | ||
| 10364 | Square | Gordon V. Cormack | ||
| 10365 | Blocks | Gordon V. Cormack | ||
| 10366 | Faucet Flow | Gordon V. Cormack | ||
| 10367 | Equations | Gordon V. Cormack | ||
| 10368 | Euclid's Game | Gordon V. Cormack | ||
| 10369 | Arctic Network | Gordon V. Cormack | ||
| 10370 | Above Average | Gordon V. Cormack | ||
| 10371 | Time Zones | Gordon V. Cormack | ||
| 10372 | Leaps Tall Buildings (in a single bound) | Gordon V. Cormack | ||
| 10373 | The Brick Stops Here | Gordon V. Cormack | ||
| 10374 | Election | Gordon V. Cormack | ||
| 10375 | Choose and divide | Gordon V. Cormack | ||
| 10376 | Snakes | Gordon V. Cormack | ||
| 10377 | Maze Traversal | Gordon V. Cormack | ||
| 10378 | Complex Numbers | Shahriar Manzoor | ||
| 10379 | Pit Stop Strategy | Gordon V. Cormack | ||
| 10380 | Shogi Tournament | Jimmy Mĺrdell | ||
| 10381 | The Rock | Jimmy Mĺrdell | ||
| 10382 | Watering Grass | Piotr Rudnicki | ||
| 10383 | Queen vs Rook | Jimmy Mĺrdell | ||
| 10384 | The Wall Pushers | Jimmy Mĺrdell | ||
| 10385 | Duathlon | Gordon V. Cormack | ||
| 10386 | Circles in Triangle | Shahriar Manzoor | ||
| 10387 | Billiard | Gordon V. Cormack | ||
| 10388 | Snap | Gordon V. Cormack | ||
| 10389 | Subway | Gordon V. Cormack | ||
| 10390 | Bean Counting | Gordon V. Cormack | ||
| 10391 | Compound Words | Gordon V. Cormack | ||
| 10392 | Factoring Large Numbers | Gordon V. Cormack | ||
| 10393 | The One-Handed Typist | Richard Krueger | ||
| 10394 | Twin Primes | Shahriar Manzoor | ||
| 10395 | Titans in Danger | Tanbir Ahmed | Hossain Muhammad Farook | |
| 10396 | Vampire Numbers | Shahriar Manzoor | ||
| 10397 | Connect the Campus | Gordon V. Cormack Graeme Kemkes | ||
| 10398 | The Golden Pentagon | Shahriar Manzoor | ||
| 10399 | Optimus Prime | Derek Kisman | ||
| 10400 | Game Show Math | Sandy Graham | ||
| 10401 | Injured Queen Problem | Shahriar Manzoor | ||
| 10402 | Triangle Covering | Shahriar Manzoor | David Cantrell Eric Friedman | |
| 10403 | Escape from Tut's Tomb | Jonathan Backer | ||
| 10404 | Bachet's Game | Piotr Rudnicki | ||
| 10405 | Longest Common Subsequence | Piotr Rudnicki | ||
| 10406 | Cutting tabletops | Piotr Rudnicki | ||
| 10407 | Simple division | Piotr Rudnicki | ||
| 10408 | Farey sequences | Piotr Rudnicki | ||
| 10410 | Tree Reconstruction | Jonathan Backer | ||
| 10411 | Another Game of Tetris | Rujia Liu | ||
| 10412 | Big Big Trees | Rujia Liu | ||
| 10413 | Crazy Savages | Rujia Liu | ||
| 10414 | Denki Blocks | Rujia Liu | ||
| 10415 | Eb Alto Saxophone Player | Rujia Liu | ||
| 10416 | Folding My T-Shirt | Rujia Liu | ||
| 10417 | Gift Exchanging | Rujia Liu | ||
| 10418 | Hyper Toy Soldiers | Rujia Liu | ||
| 10419 | Sum-up the Primes | Shahriar Manzoor | ||
| 10420 | List of Conquests | Thomas Tang | ||
| 10421 | Critical Wave | Monirul Hasan | ||
| 10422 | Knights in FEN | Piotr Rudnicki | ||
| 10423 | Peter Takes a Tramway | Piotr Rudnicki | ||
| 10424 | Love Calculator | Niaz Morshed Chowdhury | ||
| 10425 | Mobile Destroyer | Mustaq Ahmed | ||
| 10426 | Knights' Nightmare | Mustaq Ahmed | ||
| 10427 | Naughty Sleepy Boys | Tahseen Mohammad Tanveer Ahsan | ||
| 10428 | The Roots | Shahriar Manzoor | ||
| 10429 | Mohr's Circle | Suman Mahbub | ||
| 10430 | Dear GOD | Suman Mahbub | ||
| 10431 | Normal Distribution | Suman Mahbub | ||
| 10432 | Polygon Inside A Circle | Suman Mahbub | ||
| 10433 | Automorphic Numbers | Suman Mahbub | ||
| 10434 | Working With Specific Gravity | Suman Mahbub | ||
| 10435 | Compare Directories | Suman Mahbub | ||
| 10436 | Cheapest way | Suman Mahbub | ||
| 10437 | Playing With Fraction | Suman Mahbub | ||
| 10438 | Meta Editor | Suman Mahbub | ||
| 10444 | Multi-peg Towers of Hanoi | M. Kaykobad | ||
| 10445 | Make Polygon | Md. Kamruzzaman (KZaman) | ||
| 10446 | The Marriage Interview :-) | Shahriar Manzoor | ||
| 10447 | Sum-up the Primes (II) | Shahriar Manzoor | ||
| 10448 | Unique World | Md. Kamruzzaman (KZaman) | ||
| 10449 | Traffic | Mustaq Ahmed | ||
| 10451 | Ancient Village Sports | Tanbir Ahmed | ||
| 10452 | Marcus | Juergen Werner | ||
| 10453 | Make Palindrome | Md. Kamruzzaman (KZaman) | ||
| 10454 | Trexpression | Md. Kamruzzaman (KZaman) | ||
| 10455 | Gray Code | Md. Kamruzzaman (KZaman) | ||
| 10456 | Intelligent Cats | Md. Kamruzzaman (KZaman) | ||
| 10457 | Magic Car | Md. Kamruzzaman (KZaman) | ||
| 10458 | Cricket Ranking | Md. Kamruzzaman (KZaman) | ||
| 10459 | The Tree Root | Md. Kamruzzaman (KZaman) | ||
| 10460 | Find the Permuted String | S. M. Shahed Nejhum | ||
| 10461 | Difference | Mohammad Sajjad Hossain | ||
| 10462 | Is There A Second Way Left? | Md. Kamruzzaman (KZaman) | ||
| 10463 | Aztec Knights | Shah Arif Iqbal | Monirul Hasan | |
| 10464 | Big Big Real Numbers | Shah Arif Iqbal | ||
| 10465 | Homer Simpson | Monirul Hasan Sadrul Habib Chowdhury | ||
| 10466 | How Far? | Monirul Hasan Sadrul Habib Chowdhury | ||
| 10467 | Parse Tree | Sadrul Habib Chowdhury | ||
| 10468 | Rigid Circle Packing | Sadrul Habib Chowdhury | ||
| 10469 | To Carry or not to Carry | Monirul Hasan | ||
| 10470 | Shifted Coefficient Number System | Monirul Hasan | ||
| 10471 | Can't be too GREEDY | Monirul Hasan | ||
| 10472 | Fastest Vs Cheapest | Monirul Hasan | ||
| 10473 | Simple Base Conversion | Shahriar Manzoor | ||
| 10474 | Where is the Marble? | Monirul Hasan | ||
| 10475 | Help the Leaders | Monirul Hasan Shahriar Manzoor | ||
| 10476 | Spam or Not Spam | Gordon V. Cormack | ||
| 10477 | The Hybrid Knight | Monirul Hasan Shahriar Manzoor | ||
| 10478 | The Falling Pillars | Shahriar Manzoor | ||
| 10479 | The Hendrie Sequence | Derek Kisman | ||
| 10480 | Sabotage | Jesper Larsson | ||
| 10481 | The Gift Wrappers of Hollywood | Shahriar Manzoor | ||
| 10482 | The Candyman Can | Juergen Werner | ||
| 10483 | The Sum Equals the Product | Eric Schmidt | ||
| 10484 | Divisibility of Factors | Shahriar Manzoor | ||
| 10485 | Painting with CSE | Mustaq Ahmed | ||
| 10487 | Closest Sums | Piotr Rudnicki | ||
| 10489 | Boxes of Chocolates | Tanveer Ahsan | ||
| 10490 | Mr. Azad and his Son!!!!! | Tanzim Saqib | ||
| 10491 | Cows and Cars | Ricardo Barreira | ||
| 10492 | Optimal Mastermind Strategy | Jimmy Mĺrdell | ||
| 10493 | Cats, with or without Hats | Monirul Hasan | ||
| 10494 | If We Were a Child Again | S. M. Ashraful Kadir | ||
| 10495 | Conic Distance | Piotr Rudnicki | ||
| 10497 | Sweet Child Makes Trouble | Tanveer Ahsan | ||
| 10498 | Happiness | Mustaq Ahmed | ||
| 10499 | The Land of Justice | Tazrian Khan | ||
| 10509 | R U Kidding Mr. Feynman? | Rui Andre A. Ferreira | ||
| 10510 | Cactus | Mikael Goldmann | ||
| 10511 | Councilling | Gordon V. Cormack | ||
| 10512 | A Day in Math-land | Shahriar Manzoor | ||
| 10513 | Bangladesh Sequences | Shahriar Manzoor | ||
| 10514 | River Crossing | Jimmy Mĺrdell | ||
| 10515 | Powers Et Al. | Shahriar Manzoor | ||
| 10516 | Another Counting Problem | Monirul Hasan | ||
| 10517 | Wind of Change! | Shahriar Manzoor | ||
| 10518 | How Many Calls? | Monirul Hasan | ||
| 10519 | !! Really Strange !! | Anupam Bhattacharjee | ||
| 10520 | Determine it | Hasan Shihab Uddin | ||
| 10521 | Continuously Growing Fractions | Enamul Haque | ||
| 10522 | Height to Area | Enamul Haque | ||
| 10523 | Very Easy !!! | Anupam Bhattacharjee | ||
| 10524 | Matrix Reloaded | Anupam Bhattacharjee | ||
| 10525 | New to Bangladesh? | A. K. M. Saifun Nabi (Shabuj) Anupam Bhattacharjee | ||
| 10526 | Intellectual Property | Gordon V. Cormack | ||
| 10527 | Persistent Numbers | Piotr Rudnicki | ||
| 10528 | Major Scales | Gordon V. Cormack | ||
| 10529 | Dumb Bones | Derek Kisman | ||
| 10530 | Guessing Game | Gordon V. Cormack | ||
| 10531 | Maze Statistics | Derek Kisman | ||
| 10532 | Combination! Once Again | Monirul Hasan | ||
| 10533 | Digit Primes | Shahriar Manzoor | ||
| 10534 | Wavio Sequence | Md. Kamruzzaman (KZaman) | ||
| 10535 | Shooter | Md. Kamruzzaman (KZaman) | ||
| 10536 | Game of Euler | Jimmy Mĺrdell | ||
| 10537 | The Toll! Revisited | Shahriar Manzoor | ||
| 10538 | Powerful Magic Squares | Rujia Liu | ||
| 10539 | Almost Prime Numbers | Shahriar Manzoor | ||
| 10540 | Flowers of a Beautiful Mind | Shahriar Manzoor | ||
| 10541 | Stripe | Dmytro Chernysh Monirul Hasan | ||
| 10542 | Hyper-drive | Shahriar Manzoor | Derek Kisman | |
| 10543 | Traveling Politician | Igor Naverniouk (Abednego) | Shahriar Manzoor | |
| 10544 | Numbering the Paths | Monirul Hasan | ||
| 10545 | Maximal Quadrilateral | Shahriar Manzoor | ||
| 10546 | The Eagle's Nest | Monirul Hasan | Rujia Liu | |
| 10547 | Hidden Truth in Recurrence | Tanbir Ahmed | Monirul Hasan | |
| 10548 | Find the Right Changes | M. Kaykobad | Monirul Hasan Syed Monowar Hossain | |
| 10550 | Combination Lock | Gordon V. Cormack | ||
| 10551 | Basic Remains | Piotr Rudnicki | ||
| 10552 | Genealogical Research | Gordon V. Cormack | ||
| 10553 | Treasure Map | Gordon V. Cormack | ||
| 10554 | Calories from Fat | Gordon V. Cormack | ||
| 10555 | Dead Fraction | Derek Kisman | ||
| 10556 | Biometrics | Gordon V. Cormack | ||
| 10557 | XYZZY | Gordon V. Cormack | ||
| 10558 | A Brief Gerrymander | Derek Kisman | ||
| 10559 | Blocks | Rujia Liu | Cailiang Liu Rongjing Xiang | |
| 10560 | Minimum Weight | Md. Kamruzzaman (KZaman) | ||
| 10561 | Treblecross | Jimmy Mĺrdell | ||
| 10562 | Undraw the Trees | Monirul Hasan | ||
| 10563 | Least Squares | Derek Kisman | ||
| 10564 | Paths through the Hourglass | Jimmy Mĺrdell | ||
| 10565 | Matrix | Rujia Liu | Monirul Hasan | |
| 10566 | Crossed Ladders | Derek Kisman | ||
| 10567 | Helping Fill Bates | Shahriar Manzoor | ||
| 10568 | n Group k | Monirul Hasan | Derek Kisman | |
| 10569 | Number Theory | Rujia Liu | Monirul Hasan | |
| 10570 | Meeting with Aliens | Md. Kamruzzaman (KZaman) | Derek Kisman | |
| 10571 | Products | Andrew Stankevich Shahriar Manzoor | Dmytro Chernysh | |
| 10572 | Black & White | Jimmy Mĺrdell | ||
| 10573 | Geometry Paradox | Shahriar Manzoor | ||
| 10574 | Counting Rectangles | Rujia Liu | ||
| 10581 | Partitioning for fun and profit | Piotr Rudnicki | ||
| 10582 | ASCII Labyrinth | Piotr Rudnicki | ||
| 10583 | Ubiquitous Religions | Howard Cheng | ||
| 10584 | Text Formalization | Richard Krueger | ||
| 10585 | Center of symmetry | Piotr Rudnicki | ||
| 10586 | Polynomial Remains | Howard Cheng | ||
| 10587 | Mayor's posters | Piotr Rudnicki | ||
| 10588 | Queuing at the doctors | Piotr Rudnicki | ||
| 10589 | Area | Shahriar Manzoor | ||
| 10590 | Boxes of Chocolates Again | Tanveer Ahsan | ||
| 10591 | Happy Number | Mohammed Shamsul Alam | Muhammad Abul Hasan | |
| 10592 | Freedom Fighter | S. A. M. Harun | ||
| 10593 | Kites | Mohammad Sajjad Hossain | ||
| 10594 | Data Flow | Md. Kamruzzaman (KZaman) | ||
| 10595 | Knight on the Bee Board | M. Mizanur Rahman | Md. Kamruzzaman (KZaman) | |
| 10596 | Morning Walk | Muhammad Abul Hasan | ||
| 10597 | Right Words | Tanveer Ahsan | ||
| 10598 | Find the Latitude | Shahriar Manzoor | ||
| 10599 | Robots(II) | Monirul Hasan | ||
| 10600 | ACM Contest and Blackout | Shamil Yagiyayev | Dmytro Chernysh Monirul Hasan | |
| 10601 | Cubes | Ivaylo Riskov | Monirul Hasan | |
| 10602 | Editor Nottoobad | Andrew Stankevich | Dmytro Chernysh | |
| 10603 | Fill | Ivaylo Riskov | Sadrul Habib Chowdhury | |
| 10604 | Chemical Reaction | LitteJohn | ||
| 10605 | Mines For Diamonds | Adrian Kügel | ||
| 10606 | Opening Doors | Carlos M. Casas Cuadrado | ||
| 10607 | Siege | Andrew Stankevich | Dmytro Chernysh | |
| 10608 | Friends | Ivaylo Riskov | ||
| 10609 | Fractal | Shahriar Manzoor | Derek Kisman | |
| 10610 | Gopher and Hawks | Piotr Rudnicki | ||
| 10611 | The Playboy Chimp | Monirul Hasan | ||
| 10612 | Paper Folding | Jimmy Mĺrdell | ||
| 10613 | Mushroom Misery | Andreas Björklund | ||
| 10614 | Dreadful Vectors | Mustaq Ahmed | ||
| 10615 | Rooks | Maxim Babenko | Dmytro Chernysh | |
| 10616 | Divisible Group Sums | Shahriar Manzoor | ||
| 10618 | Tango Tango Insurrection | Derek Kisman | ||
| 10619 | Advanced Causal Measurements | Daniel Robbins | ||
| 10620 | A Flea on a Chessboard | Piotr Rudnicki | ||
| 10621 | Jack and Jill | Gordon V. Cormack | ||
| 10622 | Perfect P-th Powers | Gordon V. Cormack | ||
| 10623 | Thinking Backward | Shahriar Manzoor | Derek Kisman | |
| 10624 | Super Number | Rujia Liu | Monirul Hasan Shahriar Manzoor | |
| 10625 | GNU = GNU'sNotUnix | Monirul Hasan | Jimmy Mĺrdell | |
| 10626 | Buying Coke | Jimmy Mĺrdell | ||
| 10627 | Infinite Race | Md. Kamruzzaman (KZaman) | Mohammad Sajjad Hossain | |
| 10628 | Quadrills | Jimmy Mĺrdell | ||
| 10629 | Truckin' | Derek Kisman | ||
| 10630 | Millennium Ceremony | Rujia Liu | ||
| 10631 | Normals | Shahriar Manzoor | Derek Kisman | |
| 10632 | Pyramid | Jimmy Mĺrdell | ||
| 10633 | Rare Easy Problem | Derek Kisman | Monirul Hasan | |
| 10634 | Say NO to Memorization | Shahriar Manzoor | Derek Kisman | |
| 10635 | Prince and Princess | Rujia Liu | Shahriar Manzoor | |
| 10636 | Stretching Geometry | Shahriar Manzoor | ||
| 10637 | Coprimes | Shahriar Manzoor | Jimmy Mĺrdell | |
| 10638 | The Trip II | Gordon V. Cormack | Derek Kisman Howard Cheng | |
| 10639 | Square Puzzle | Jimmy Mĺrdell | ||
| 10640 | Planes around the World | Rujia Liu | Jimmy Mĺrdell Shahriar Manzoor | |
| 10641 | Barisal Stadium | Md. Kamruzzaman (KZaman) | Mohammad Sajjad Hossain | |
| 10642 | Can You Solve It? | Anupam Bhattacharjee | Adrian Kügel | |
| 10643 | Facing Problem With Trees | Anupam Bhattacharjee | Adrian Kügel | |
| 10644 | Floor Tiles | Yin Zhao | Derek Kisman | |
| 10645 | Menu | Adrian Kügel | ||
| 10646 | What is the Card? | Anupam Bhattacharjee Miraj Hasnaine Tafsir | Adrian Kügel | |
| 10647 | Optimal House Placement | Adrian Kügel | Robin Nittka | |
| 10648 | Chocolate Box | A. K. M. Saifun Nabi (Shabuj) | Anupam Bhattacharjee | |
| 10649 | Danger Point | Enamul Haque | Derek Kisman | |
| 10650 | Determinate Prime | Hasan Shihab Uddin | Adrian Kügel Anupam Bhattacharjee | |
| 10653 | Bombs! NO they are Mines!! | Monirul Hasan | Shahriar Manzoor | |
| 10655 | Contemplation - Algebra | Shahriar Manzoor | Mohammad Sajjad Hossain | |
| 10656 | Maximum Sum (II) | Shahriar Manzoor | Monirul Hasan | |
| 10657 | Prince Frog II | Shu Wu | Rujia Liu | |
| 10658 | ReArrange | Mohammad Sajjad Hossain | Md. Kamruzzaman (KZaman) Monirul Hasan | |
| 10668 | Expanding Rods | P. Chrzastowski-Wachtel | Piotr Rudnicki | |
| 10669 | Three powers | Piotr Rudnicki | ||
| 10670 | Work Reduction | Gilbert Lee | ||
| 10671 | Grid Speed | Piotr Rudnicki | ||
| 10672 | Marbles on a tree | Piotr Rudnicki | ||
| 10673 | Play with Floor and Ceil | Monirul Hasan | Shahriar Manzoor | |
| 10674 | Tangents | Shahriar Manzoor | Derek Kisman | |
| 10675 | Revenge of Faucet Flow | Derek Kisman | Jimmy Mĺrdell | |
| 10676 | Grid Points | Jimmy Mĺrdell | Monirul Hasan | |
| 10677 | Base Equality | Andreas Björklund | ||
| 10678 | The Grazing Cow | Shahriar Manzoor | Monirul Hasan | |
| 10679 | I Love Strings!! | Mohammad Sajjad Hossain | ||
| 10680 | LCM | Md. Kamruzzaman (KZaman) | Mohammad Sajjad Hossain | |
| 10681 | Teobaldo's Trip | Sérgio Queiroz de Medeiros | ||
| 10682 | Forr | Sérgio Queiroz de Medeiros | ||
| 10683 | The decadary watch | David Deharbe | ||
| 10684 | The jackpot | David Deharbe | ||
| 10685 | Nature | Joao Paulo Fernandes Farias | ||
| 10686 | SQF Problems | Sebastiao Alves Sérgio Queiroz de Medeiros | ||
| 10688 | The Poor Giant | Rujia Liu | ||
| 10689 | Yet another Number Sequence | Sadrul Habib Chowdhury | Derek Kisman | |
| 10690 | Expression Again | Md. Kamruzzaman (KZaman) | Monirul Hasan | |
| 10691 | Subway | Jimmy Mĺrdell | ||
| 10692 | Huge Mods | Monirul Hasan | Mohammad Sajjad Hossain | |
| 10693 | Traffic Volume | Shahriar Manzoor | Derek Kisman | |
| 10694 | Combinatorial Summation | Mohammad Sajjad Hossain | Shahriar Manzoor | |
| 10695 | Find the Point | Shahriar Manzoor | Derek Kisman | |
| 10705 | The Fun Number System | Monirul Hasan | ||
| 10706 | Number Sequence | Shahriar Manzoor | ||
| 10707 | 2D-Nim | Jimmy Mĺrdell | ||
| 10708 | Cheetah | Sadrul Habib Chowdhury | Derek Kisman | |
| 10709 | Intersection is Not that Easy | Shahriar Manzoor | Derek Kisman | |
| 10710 | Chinese Shuffle | Joachim Wulff (Little Joey) | ||
| 10712 | Count the Numbers | Slavi Marinov | Petko Minkov | |
| 10713 | Map | Gordon V. Cormack | ||
| 10714 | Ants | Piotr Rudnicki | ||
| 10715 | Cat | Gordon V. Cormack | ||
| 10716 | Evil Straw Warts Live | Gordon V. Cormack | ||
| 10717 | Mint | Gordon V. Cormack | ||
| 10718 | Bit Mask | Md. Kamruzzaman (KZaman) | ||
| 10719 | Quotient Polynomial | Mohammed Shamsul Alam | Tanbir Ahmed | |
| 10720 | Graph Construction | Md. Bahlul Haider | Mohammed Shamsul Alam Tanveer Ahsan | |
| 10721 | Bar Codes | Md. Kamruzzaman (KZaman) | ||
| 10722 | Super Lucky Numbers | Md. Bahlul Haider | Tanveer Ahsan | |
| 10723 | Cyborg Genes | Monirul Hasan | ||
| 10724 | Road Construction | Md. Kamruzzaman (KZaman) | Tahseen Mohammad | |
| 10725 | Triangular Square | Mohammad Sajjad Hossain | ||
| 10726 | Coco Monkey | Monirul Hasan | Mohammed Shamsul Alam Sadrul Habib Chowdhury | |
| 10727 | Practice | Gordon V. Cormack | ||
| 10728 | Help! | Gordon V. Cormack | ||
| 10729 | Treequivalence | Gordon V. Cormack | ||
| 10730 | Antiarithmetic? | Piotr Rudnicki | ||
| 10731 | Test | Gordon V. Cormack | ||
| 10732 | The Strange Research | Shahriar Manzoor | ||
| 10733 | The Colored Cubes | Eric Schmidt | Derek Kisman | |
| 10734 | Triangle Partitioning | Shahriar Manzoor Thanh Vy | Derek Kisman | |
| 10735 | Euler Circuit | Jimmy Mĺrdell | ||
| 10736 | Series of PI | Shahriar Manzoor | Derek Kisman | |
| 10737 | The Difference Engine | Derek Kisman | ||
| 10739 | String to Palindrome | Monirul Hasan | ||
| 10740 | Not the Best | Rezaul Alam Chowdhury | Md. Kamruzzaman (KZaman) | |
| 10741 | Magic Cube | Rezaul Alam Chowdhury | ||
| 10742 | The New Rule in Euphomia | Shahriar Manzoor | Derek Kisman | |
| 10743 | Blocks on Blocks | Rujia Liu | Shahriar Manzoor | |
| 10744 | The Optimal Super-Highway | Shahriar Manzoor | ||
| 10745 | Dominant Strings | Per Austrin | Mohammad Sajjad Hossain | |
| 10746 | Crime Wave - The Sequel | Gordon V. Cormack | ||
| 10747 | Maximum Subsequence | Md. Kamruzzaman (KZaman) | Monirul Hasan | |
| 10748 | Knights Roaming | Md. Kamruzzaman (KZaman) | Monirul Hasan | |
| 10753 | Exponential Function | Semyon Dyatlov | ||
| 10756 | HardNumbers | Semyon Dyatlov | ||
| 10759 | Dice Throwing | Piotr Rudnicki | ||
| 10760 | Translation or rotation | Piotr Rudnicki | ||
| 10761 | Broken Keyboard | Piotr Rudnicki | ||
| 10762 | Treasure Castle | Krzysztof Diks | Piotr Rudnicki | |
| 10763 | Foreign Exchange | Gilbert Lee | ||
| 10764 | Signed-digit numbers | Piotr Rudnicki | ||
| 10765 | Doves and bombs | Paul Shelly | ||
| 10766 | Organising the Organisation | Per Austrin | ||
| 10767 | Barcelona's trams | Salvador Roura | ||
| 10768 | Planarity | Jordi Petit | ||
| 10769 | Pillars | Salvador Roura | ||
| 10770 | Sokoban | Jordi Petit | ||
| 10771 | Barbarian tribes | Salvador Roura | ||
| 10772 | Rose windows | Salvador Roura | ||
| 10773 | Back to Intermediate Math | Anupam Bhattacharjee | Adrian Kügel | |
| 10774 | Repeated Josephus | Anupam Bhattacharjee | Adrian Kügel | |
| 10775 | Mystical Matrix | Yin Zhao | ||
| 10776 | Determine The Combination | Hasan Shihab Uddin | Adrian Kügel Anupam Bhattacharjee | |
| 10777 | God! Save me | Anupam Bhattacharjee | ||
| 10778 | Mathemagicland | Yin Zhao | ||
| 10779 | Collectors Problem | Adrian Kügel | ||
| 10780 | Again Prime? No Time. | A. K. M. Saifun Nabi (Shabuj) Anupam Bhattacharjee | Adrian Kügel | |
| 10781 | Global Positioning System | Shihab Uddin | Adrian Kügel | |
| 10782 | Send More Money | Enamul Haque | Adrian Kügel | |
| 10783 | Odd Sum | Monirul Hasan | Shahriar Manzoor | |
| 10784 | Diagonal | Shahriar Manzoor | Monirul Hasan | |
| 10785 | The Mad Numerologist | Shahriar Manzoor | Monirul Hasan | |
| 10786 | Qualify for the Champions League | Monirul Hasan | Jimmy Mĺrdell | |
| 10787 | Modular Equations | Monirul Hasan | ||
| 10788 | Parenthesizing Palindromes | Monirul Hasan | Md. Kamruzzaman (KZaman) | |
| 10789 | Prime Frequency | Monirul Hasan Shahriar Manzoor | ||
| 10790 | How Many Points of Intersection? | Md. Bahlul Haider | Monirul Hasan Shahriar Manzoor Tanveer Ahsan | |
| 10791 | Minimum Sum LCM | Md. Kamruzzaman (KZaman) | Shahriar Manzoor | |
| 10792 | The Laurel-Hardy Story | Shahriar Manzoor | Monirul Hasan | |
| 10793 | The Orc Attack | Monirul Hasan | Mohammad Sajjad Hossain Shahriar Manzoor | |
| 10794 | The Deadly Olympic Returns!!! | Mohammad Sajjad Hossain | Shahriar Manzoor | |
| 10795 | A Different Task | Md. Kamruzzaman (KZaman) | Derek Kisman | |
| 10796 | Right Hand Rule | Monirul Hasan | Jimmy Mĺrdell Md. Kamruzzaman (KZaman) | |
| 10797 | Peaceful Sharing | Shahriar Manzoor | Derek Kisman | |
| 10798 | Be wary of Roses | Derek Kisman | Md. Kamruzzaman (KZaman) | |
| 10799 | OOPS! They did it Again... | Shahriar Manzoor | Derek Kisman | |
| 10800 | Not That Kind of Graph | Igor Naverniouk (Abednego) | ||
| 10801 | Lift Hopping | Igor Naverniouk (Abednego) | Frank Pok Man Chu Stefan Pochmann | |
| 10802 | Lex Smallest Drive | Igor Naverniouk (Abednego) | Yury Kholondyrev | |
| 10803 | Thunder Mountain | Igor Naverniouk (Abednego) | ||
| 10804 | Gopher Strategy | Igor Naverniouk (Abednego) | Yury Kholondyrev | |
| 10805 | Cockroach Escape Networks | Igor Naverniouk (Abednego) | ||
| 10806 | Dijkstra, Dijkstra. | Igor Naverniouk (Abednego) | ||
| 10807 | Prim | Igor Naverniouk (Abednego) | ||
| 10808 | Rational Resistors | Igor Naverniouk (Abednego) | ||
| 10809 | Great Circle | Gordon V. Cormack | ||
| 10810 | Ultra-QuickSort | Stefan Büttcher | ||
| 10811 | Up the Ante | Gordon V. Cormack | ||
| 10812 | Beat the Spread! | Gordon V. Cormack | ||
| 10816 | Travel in Desert | Raymond Chun | ||
| 10817 | Headmaster's Headache | Mak Yan Kei | ||
| 10818 | Dora Trip | Mak Yan Kei | ||
| 10820 | Send a Table | Joachim Wulff (Little Joey) | Shahriar Manzoor | |
| 10821 | Constructing BST | Md. Kamruzzaman (KZaman) | Syed Monowar Hossain | |
| 10822 | Planet of the Rock, Paper and Scissors | Joachim Wulff (Little Joey) | Derek Kisman | |
| 10823 | Of Circles and Squares | Monirul Hasan | Shahriar Manzoor | |
| 10824 | Regular Polygon | Shahriar Manzoor | Jimmy Mĺrdell | |
| 10825 | Anagram and Multiplication | Shahriar Manzoor | Derek Kisman | |
| 10826 | Hot or Cold? | Derek Kisman | Md. Kamruzzaman (KZaman) | |
| 10827 | Maximum sum on a torus | Jimmy Mĺrdell | Derek Kisman Md. Kamruzzaman (KZaman) | |
| 10828 | Back to Kernighan-Ritchie | Mohammad Sajjad Hossain | Shahriar Manzoor | |
| 10829 | L-Gap Substrings | Rujia Liu | Shahriar Manzoor | |
| 10830 | A New Function | Shahriar Manzoor | Mohammad Sajjad Hossain | |
| 10831 | Gerg's Cake | Igor Naverniouk (Abednego) | Derek Kisman | |
| 10832 | Yoyodyne | Robert W. Lindeman | Monirul Hasan Shahriar Manzoor | |
| 10833 | Lunar Forest | Rujia Liu | Derek Kisman | |
| 10834 | The Story of Two Coins | Shahriar Manzoor | Derek Kisman | |
| 10835 | Playing with Coins | Md. Kamruzzaman (KZaman) | Jimmy Mĺrdell | |
| 10836 | The Maximum Term | Shahriar Manzoor | Monirul Hasan | |
| 10837 | A Research Problem | Shahriar Manzoor | ||
| 10838 | The Pawn Chess | Jimmy Mĺrdell | Md. Kamruzzaman (KZaman) | |
| 10839 | The Curse of Barbosa | Alex Chertov | Monirul Hasan Syed Monowar Hossain | |
| 10840 | Multi-stage Compressor | Carlos M. Casas Cuadrado | ||
| 10841 | Lift Hopping in the Real World | Igor Naverniouk (Abednego) | ||
| 10842 | Traffic Flow | Igor Naverniouk (Abednego) | ||
| 10843 | Anne's game | Igor Naverniouk (Abednego) | ||
| 10844 | Bloques | Mauricio Javier Osorio Galindo | ||
| 10845 | The crusades | Rodrigo Burgos Domínguez | ||
| 10846 | Reading time from a clock | Humberto Montalván Gámez | ||
| 10847 | Basic Tautologies | Mauricio Javier Osorio Galindo | ||
| 10848 | Make Palindrome Checker | Meine Van der Meulen | ||
| 10856 | Recover Factorial | A. N. M. Anisur Rahman | ||
| 10857 | Easter Eggs | Per Austrin | ||
| 10858 | Unique Factorization | Shamim Hafiz | Sohel Hafiz | |
| 10859 | Placing Lampposts | Sohel Hafiz | Per Austrin | |
| 10860 | Many a Little makes a Mickle | A. N. M. Anisur Rahman | Monirul Hasan Sohel Hafiz | |
| 10861 | Security by Ambiguity | Per Austrin | ||
| 10862 | Connect the Cable Wires | Sohel Hafiz | ||
| 10863 | Shovelling Snow | Per Austrin | ||
| 10864 | The Predator | Sohel Hafiz | ||
| 10865 | Brownie Points | Piotr Rudnicki | ||
| 10866 | Magic Bitstrings | Don Reble | Piotr Rudnicki | |
| 10867 | Cutting a Polygon | Piotr Rudnicki | ||
| 10868 | Bungee Jumping | Stefan Büttcher | ||
| 10869 | Brownie Points II | Piotr Rudnicki | ||
| 10870 | Recurrences | Max Furlong | Derek Kisman | |
| 10871 | Primed Subsequence | Gordon Chiu | ||
| 10872 | Triangles | Shahriar Manzoor | Jimmy Mĺrdell | |
| 10873 | Splat, Inc. | Robert W. Lindeman | Derek Kisman | |
| 10874 | Segments | Ian Munro | Troy Vasiga | |
| 10875 | Big Math | Robert W. Lindeman | Monirul Hasan Shahriar Manzoor | |
| 10876 | Factory Robot | Jimmy Mĺrdell | Derek Kisman | |
| 10878 | Decode the tape | Igor Naverniouk (Abednego) | ||
| 10879 | Code Refactoring | Igor Naverniouk (Abednego) | ||
| 10880 | Colin and Ryan | Igor Naverniouk (Abednego) | ||
| 10881 | Piotr's Ants | Igor Naverniouk (Abednego) | ||
| 10882 | Koerner's Pub | Igor Naverniouk (Abednego) | Yury Kholondyrev | |
| 10883 | Supermean | Igor Naverniouk (Abednego) | ||
| 10884 | Persephone | Igor Naverniouk (Abednego) | ||
| 10885 | Martin the Gardener | Igor Naverniouk (Abednego) | ||
| 10886 | Standard Deviation | Igor Naverniouk (Abednego) | ||
| 10887 | Concatenation of Languages | Monirul Hasan | Shahriar Manzoor | |
| 10888 | Warehouse | Jimmy Mĺrdell | Mohammad Sajjad Hossain | |
| 10889 | The Lost Gift | Shahriar Manzoor | Derek Kisman | |
| 10890 | Maze | Syed Monowar Hossain | Derek Kisman | |
| 10891 | Game of Sum | Syed Monowar Hossain | Derek Kisman Mohammad Sajjad Hossain | |
| 10892 | LCM Cardinality | Shahriar Manzoor | Derek Kisman | |
| 10893 | Creating Sudoku Puzzles | Jimmy Mĺrdell | Derek Kisman | |
| 10894 | Save Hridoy | Shahriar Manzoor | Monirul Hasan | |
| 10900 | So you want to be a 2n-aire? | Don Reble | ||
| 10901 | Ferry Loading III | Gordon V. Cormack | ||
| 10902 | Pick-up Sticks | Piotr Rudnicki | ||
| 10903 | Rock-Paper-Scissors Tournament | Gordon V. Cormack | ||
| 10904 | Structural Equivalence | Gordon V. Cormack | ||
| 10905 | Children's Game | Md. Kamruzzaman (KZaman) | ||
| 10906 | Strange Integration | Md. Kamruzzaman (KZaman) | ||
| 10907 | Art Gallery | Md. Kamruzzaman (KZaman) | ||
| 10908 | Largest Square | Tanveer Ahsan | ||
| 10909 | Lucky Number | Mohammed Shamsul Alam | Tanveer Hasan Saaem | |
| 10910 | Marks Distribution | Md. Bahlul Haider | Tanveer Ahsan | |
| 10911 | Forming Quiz Teams | Sohel Hafiz | ||
| 10912 | Simple Minded Hashing | Sohel Hafiz | ||
| 10913 | Walking on a Grid | Sohel Hafiz | ||
| 10914 | Abundance and Perfect Numbers | Shahriar Manzoor | Derek Kisman | |
| 10915 | War on Weather | Gordon V. Cormack | ||
| 10916 | Factstone Benchmark | Charles L. A. Clarke Gordon V. Cormack | ||
| 10917 | Walk Through the Forest | Richard Krueger | ||
| 10918 | Tri Tiling | Piotr Rudnicki | ||
| 10919 | Prerequisites? | Gordon V. Cormack | ||
| 10920 | Spiral Tap | David Deharbe | ||
| 10921 | Find the Telephone | Sérgio Queiroz de Medeiros | ||
| 10922 | 2 the 9s | David Deharbe | ||
| 10923 | Seven Seas | Joao Paulo Fernandes Farias | ||
| 10924 | Prime Words | Sérgio Queiroz de Medeiros | ||
| 10925 | Krakovia | Sérgio Queiroz de Medeiros | ||
| 10926 | How Many Dependencies? | Joao Paulo Fernandes Farias | ||
| 10927 | Bright Lights | David Deharbe | ||
| 10928 | My Dear Neighbours | Sérgio Queiroz de Medeiros | ||
| 10929 | You can say 11 | David Deharbe | ||
| 10930 | A-Sequence | Sérgio Queiroz de Medeiros | ||
| 10931 | Parity | Sérgio Queiroz de Medeiros | ||
| 10932 | Calculator | Joao Paulo Fernandes Farias | ||
| 10933 | Volleyball | Joao Paulo Fernandes Farias | ||
| 10934 | Dropping water balloons | Piotr Rudnicki | ||
| 10935 | Throwing cards away I | Piotr Rudnicki | ||
| 10936 | Land surveyor's job | H. James Hoover Piotr Rudnicki | ||
| 10937 | Blackbeard the Pirate | Broderick Arneson | ||
| 10938 | Flea circus | Piotr Rudnicki | ||
| 10939 | Ants, Aphids and a Ladybug | Krzysztof Diks Piotr Rudnicki | ||
| 10940 | Throwing cards away II | Piotr Rudnicki | ||
| 10941 | Words adjustment | Piotr Rudnicki Wojciech Rytter | ||
| 10942 | Can of Beans | Broderick Arneson | ||
| 10949 | Kids in a Grid | Rujia Liu | ||
| 10950 | Bad Code | Sadrul Habib Chowdhury | Derek Kisman | |
| 10951 | Polynomial GCD | Sadrul Habib Chowdhury | Derek Kisman | |
| 10952 | Pattern Transformations | Jimmy Mĺrdell | Derek Kisman | |
| 10953 | Stochastic Digit Generator | Shahriar Manzoor | ||
| 10954 | Add All | Md. Kamruzzaman (KZaman) | ||
| 10955 | Playfair Cipher | Joachim Wulff (Little Joey) | Derek Kisman | |
| 10956 | Prime Suspect | Joachim Wulff (Little Joey) | ||
| 10957 | So Doku Checker | Joachim Wulff (Little Joey) | Jimmy Mĺrdell | |
| 10958 | How Many Solutions? | Shahriar Manzoor | ||
| 10964 | Strange Planet | Babak Behsaz | ||
| 10965 | Khepel's Problem | Arash Rahimi | ||
| 10966 | 3KP-BASH Project | Mohammad Tavakoli Ghinani | ||
| 10967 | The Great Escape | Babak Behsaz | ||
| 10968 | KuPellaKeS | Babak Behsaz | ||
| 10969 | Sweet Dream | Arash Rahimi | ||
| 10970 | Big Chocolate | Babak Behsaz | ||
| 10971 | Building Construction | Saman Amirpour | ||
| 10972 | RevolC FaeLoN | Babak Behsaz | ||
| 10973 | Triangle Counting | Arash Rahimi | ||
| 10974 | The Ridiculous Game | Mohammad Tavakoli Ghinani | ||
| 10975 | Dueue's Quiz | Mohammad Tavakoli Ghinani | ||
| 10976 | Fractions Again?! | Mak Yan Kei | ||
| 10977 | Enchanted Forest | Mak Yan Kei | ||
| 10978 | Let's Play Magic! | Mak Yan Kei | ||
| 10979 | How Many Triangles? | Mak Yan Kei | ||
| 10980 | Lowest Price in Town | Mak Yan Kei | Sabur Zaheed | |
| 10981 | String Morphing | Raymond Chun | Liu Chi Man | |
| 10982 | Troublemakers | Igor Naverniouk (Abednego) | ||
| 10983 | Buy one, get the rest free | Igor Naverniouk (Abednego) | Yury Kholondyrev | |
| 10984 | Double NP-hard | Igor Naverniouk (Abednego) | Frank Chu Wladek Kwasnicki | |
| 10985 | Rings'n'Ropes | Igor Naverniouk (Abednego) | ||
| 10986 | Sending email | Igor Naverniouk (Abednego) | ||
| 10987 | Antifloyd | Igor Naverniouk (Abednego) | Frank Chu | |
| 10988 | From G to H and back | Igor Naverniouk (Abednego) | ||
| 10989 | Bomb, Divide and Conquer | Igor Naverniouk (Abednego) | ||
| 10990 | Another New Function | Shahriar Manzoor | Derek Kisman | |
| 10991 | Region | Md. Z. Hossain | Shahriar Manzoor | |
| 10992 | The Ghost of Programmers | K. M. Iftekhar | Shahriar Manzoor | |
| 10993 | Ignoring Digits | Joachim Wulff (Little Joey) | Derek Kisman | |
| 10994 | Simple Addition | Md. Moniruzzaman | Shahriar Manzoor | |
| 10995 | Educational Journey | Piotr Rudnicki | ||
| 10996 | Go | Gordon V. Cormack | ||
| 10997 | Medals | Stefan Büttcher | ||
| 10998 | Flipping Colors | Piotr Rudnicki | ||
| 10999 | Crabbles | Jennifer Lhot Ond?ej Lhoták | ||
| 11000 | Bee | Mak Yan Kei | ||
| 11001 | Necklace | Mak Yan Kei | ||
| 11002 | Towards Zero | Mak Yan Kei | ||
| 11003 | Boxes | Mak Yan Kei | ||
| 11004 | Changing Roadmap | Shahriar Manzoor | Derek Kisman | |
| 11005 | Cheapest Base | Joachim Wulff (Little Joey) | Derek Kisman | |
| 11006 | Wheel Good | Derek Kisman | ||
| 11007 | Mini Cube | Jimmy Mĺrdell | ||
| 11008 | Antimatter Ray Clearcutting | Igor Naverniouk (Abednego) | Yury Kholondyrev | |
| 11009 | Geometry Once Again | Shahriar Manzoor | Derek Kisman | |
| 11010 | Tic-Tac-Tough | Joachim Wulff (Little Joey) | Derek Kisman | |
| 11011 | Numerical Methods! A Satire | Shahriar Manzoor | Derek Kisman | |
| 11012 | Cosmic Cabbages | Igor Naverniouk (Abednego) | Shahriar Manzoor | |
| 11013 | Get Straight | Joachim Wulff (Little Joey) | Derek Kisman | |
| 11014 | Make a Crystal | Shahriar Manzoor | Derek Kisman | |
| 11015 | 05-2 Rendezvous | Timotius Sakti | Shahriar Manzoor | |
| 11016 | Square Counting | Jimmy Mĺrdell | Derek Kisman | |
| 11017 | A Greener World | Shahriar Manzoor | Derek Kisman | |
| 11018 | Mars Buggy | Joachim Wulff (Little Joey) | Derek Kisman | |
| 11019 | Matrix Matcher | Rujia Liu | Wenbin Tang | |
| 11020 | Efficient Solutions | Igor Naverniouk (Abednego) | Yury Kholondyrev | |
| 11021 | Tribles | Igor Naverniouk (Abednego) | Joachim Wulff (Little Joey) | |
| 11023 | Multisets and Sequences | Joachim Wulff (Little Joey) | ||
| 11025 | Mr. And Mrs. Hamilton | Frank Chu | Igor Naverniouk (Abednego) | |
| 11026 | A Grouping Problem | Md. Kamruzzaman (KZaman) | ||
| 11027 | Palindromic Permutation | Sohel Hafiz | Jane Alam Jan | |
| 11028 | Sum of Product | Sohel Hafiz | ||
| 11029 | Leading and Trailing | Shamim Hafiz | Jane Alam Jan | |
| 11030 | Predator II | Sohel Hafiz | ||
| 11031 | Looking for a Subset | Jane Alam Jan | Sohel Hafiz | |
| 11032 | Function Overloading | Sohel Hafiz | Jane Alam Jan | |
| 11033 | Help my Brother | Jane Alam Jan | Sohel Hafiz | |
| 11034 | Ferry Loading IV | Piotr Rudnicki | ||
| 11035 | Card Hands | Ond?ej Lhoták | ||
| 11036 | Eventually Periodic Sequence | Piotr Rudnicki | ||
| 11037 | Point of View in Flatland | Piotr Rudnicki | ||
| 11038 | How Many O's? | Piotr Rudnicki | ||
| 11056 | Formula 1 | Herbert de Mélo Duarte | ||
| 11057 | Exact Sum | Sérgio Queiroz de Medeiros | ||
| 11058 | Encoding | Sérgio Queiroz de Medeiros | ||
| 11059 | Maximum Product | Sérgio Queiroz de Medeiros | ||
| 11060 | Beverages | Sérgio Queiroz de Medeiros | ||
| 11061 | Playing War | Herbert de Mélo Duarte | ||
| 11062 | Andy's Second Dictionary | David Deharbe | ||
| 11063 | B2-Sequence | Sérgio Queiroz de Medeiros | ||
| 11064 | Number Theory | Tilmann Spiegelhauer | ||
| 11066 | Aragorn | Tilmann Spiegelhauer | ||
| 11069 | A Graph Problem | Der General | ||
| 11070 | The Good Old Times | Tilmann Spiegelhauer | ||
| 11072 | Points | Tilmann Spiegelhauer | ||
| 11073 | Euler's Totient Function | Tilmann Spiegelhauer | ||
| 11074 | Draw Grid | Shahriar Manzoor | Md. Kamruzzaman (KZaman) | |
| 11075 | Collage | Monirul Hasan | Shahriar Manzoor | |
| 11076 | Add Again | Md. Kamruzzaman (KZaman) | Shahriar Manzoor | |
| 11077 | Find the Permutations | Md. Kamruzzaman (KZaman) | Abdullah-al-Mahmud (Satej) | |
| 11078 | Open Credit System | Mohammad Sajjad Hossain | Shahriar Manzoor | |
| 11079 | What's the Time? | Md. Kamruzzaman (KZaman) | Abdullah-al-Mahmud (Satej) | |
| 11080 | Place the Guards | Abdullah-al-Mahmud (Satej) | Md. Kamruzzaman (KZaman) | |
| 11081 | Strings | Abdullah-al-Mahmud (Satej) | Md. Kamruzzaman (KZaman) | |
| 11082 | Matrix Decompressing | Monirul Hasan | Sadrul Habib Chowdhury | |
| 11083 | Zeroes Revisited | Shahriar Manzoor | Derek Kisman | |
| 11084 | Anagram Division | Abdullah-al-Mahmud (Satej) | ||
| 11085 | Back to the 8-Queens | Sohel Hafiz | Shamim Hafiz | |
| 11086 | Composite Prime | Md. Erfanul Hoque Siddiqi | Tanveer Ahsan | |
| 11087 | Divisibility Testing | Sohel Hafiz | ||
| 11088 | End up with More Teams | Shamim Hafiz | ||
| 11089 | Fi-binary Number | Abdullah-al-Mahmud (Satej) | ||
| 11090 | Going in Cycle!! | Mohammad Tavakoli Ghinani | Cho | |
| 11091 | How many Knight Placing? | Abdullah-al-Mahmud (Satej) | ||
| 11092 | IIUC HexWorld | Mushfiqur Rouf | ||
| 11093 | Just Finish it up | Md. Bahlul Haider | Istiaque Ahmed | |
| 11094 | Continents | Hossein Azizpour | ||
| 11095 | Tabriz City | Hadi Moshayedi | ||
| 11096 | Nails | Ali Sharifrazavian | Hossein Azizpour | |
| 11097 | Poor My Problem! :-( | Hossein Azizpour | ||
| 11098 | Battle II | Hadi Moshayedi | ||
| 11099 | Next Same-Factored | Hossein Azizpour | Ali Sharifrazavian Hadi Moshayedi | |
| 11100 | The Trip, 2007 | Gordon V. Cormack Graeme Kemkes Ian Munro Troy Vasiga | ||
| 11101 | Mall Mania | Gordon V. Cormack | ||
| 11102 | Moonshine | Gordon V. Cormack Troy Vasiga | ||
| 11103 | WFF 'N PROOF | Gordon V. Cormack | ||
| 11104 | Cousins | Gordon V. Cormack | ||
| 11105 | Semi-prime H-numbers | Don Reble | ||
| 11106 | Rectilinear Polygon | Piotr Rudnicki | ||
| 11107 | Life Forms | Gordon V. Cormack | ||
| 11108 | Tautology | Gordon V. Cormack | ||
| 11109 | Rinse | Gordon V. Cormack | ||
| 11118 | Prisoners, Boxes and Pieces of Paper | Igor Naverniouk (Abednego) | ||
| 11119 | Chemical Attraction | Joachim Wulff (Little Joey) | Derek Kisman | |
| 11120 | Very Funny Mr. Feynman | Joachim Wulff (Little Joey) | Igor Naverniouk (Abednego) | |
| 11121 | Base -2 | Igor Naverniouk (Abednego) | Shahriar Manzoor | |
| 11122 | Tri Tri | Mohammad Sajjad Hossain | Joachim Wulff (Little Joey) | |
| 11123 | Counting Trapizoid | Shahriar Manzoor | Derek Kisman | |
| 11124 | Troubles for Modern Days Problemsetters | Joachim Wulff (Little Joey) | Shahriar Manzoor | |
| 11125 | Arrange Some Marbles | Abdullah-al-Mahmud (Satej) | Mohammad Sajjad Hossain | |
| 11126 | Relaxed Golf | Igor Naverniouk (Abednego) | Joachim Wulff (Little Joey) | |
| 11127 | Triple-Free Binary Strings | Rujia Liu | Shahriar Manzoor | |
| 11128 | Faulty Computer | Shahriar Manzoor | ||
| 11129 | An antiarithmetic permutation | Piotr Rudnicki W. Guzicki | ||
| 11130 | Billiard bounces | Piotr Rudnicki | ||
| 11131 | Close Relatives | Richard Krueger | ||
| 11132 | Dice from pennies | Chris Procter | ||
| 11133 | Eigensequence | Don Reble | ||
| 11134 | Fabled Rooks | K. Diks Piotr Rudnicki | ||
| 11135 | Gopher that walks and swims | Piotr Rudnicki | ||
| 11136 | Hoax or what | T. Walen | Piotr Rudnicki | |
| 11137 | Ingenuous Cubrency | Piotr Rudnicki | ||
| 11138 | Nuts and Bolts | Joachim Wulff (Little Joey) | Igor Naverniouk (Abednego) | |
| 11139 | Counting Quadrilaterals | Shahriar Manzoor | ||
| 11140 | Little Ali's Little Brother! | Mohammad Reza Khani | ||
| 11141 | Sugar Cubes | Hossein Azizpour Mohammad Reza Khani | ||
| 11142 | MineSweeper II | Hadi Moshayedi | ||
| 11143 | Subtitles | Hossein Azizpour | ||
| 11144 | S.O.S. | Ali Sharifrazavian | ||
| 11145 | AvreniM | Babak Behsaz | ||
| 11146 | Insurrection | Babak Behsaz Hossein Azizpour | ||
| 11147 | KuPellaKeS BST | Hadi Moshayedi | ||
| 11148 | Moliu Fractions | Mak Yan Kei | ||
| 11149 | Power of Matrix | Mak Yan Kei | ||
| 11150 | Cola | Jonathan Mak | ||
| 11151 | Longest Palindrome | Raymond Chun | ||
| 11152 | Colourful Flowers | Mak Yan Kei | ||
| 11153 | Museums | Mak Yan Kei | ||
| 11154 | An Octal World | Jane Alam Jan | Sohel Hafiz | |
| 11155 | Be Efficient | Mohiul Alam Prince | Sohel Hafiz | |
| 11156 | Continuous Drawing | Sohel Hafiz | Jane Alam Jan | |
| 11157 | Dynamic Frog | Sohel Hafiz | Jane Alam Jan | |
| 11158 | Elegant Permuted Sum | Sohel Hafiz | Jane Alam Jan | |
| 11159 | Factors and Multiples | Sohel Hafiz | Jane Alam Jan | |
| 11160 | Going Together | Sohel Hafiz | Jane Alam Jan | |
| 11161 | Help My Brother (II) | Jane Alam Jan | Sohel Hafiz | |
| 11162 | Independent Attacking Zones | Sohel Hafiz | Jane Alam Jan | |
| 11163 | Jaguar King | Jane Alam Jan | Sohel Hafiz | |
| 11164 | Kingdom Division | Tanvir Mahmud | Jane Alam Jan | |
| 11165 | Galactic Travel | Igor Naverniouk (Abednego) | Joachim Wulff (Little Joey) | |
| 11166 | Power Signs | Per Austrin | Mikael Goldmann | |
| 11167 | Monkeys in the Emei Mountain | Dong Zhou Rujia Liu | Huayang Guo | |
| 11168 | Airport | Derek Kisman Igor Naverniouk (Abednego) | ||
| 11169 | Deal or No Deal | Joachim Wulff (Little Joey) | Derek Kisman | |
| 11170 | Cos(NA) | Shahriar Manzoor | Derek Kisman | |
| 11171 | SMS | Per Austrin | Mikael Goldmann | |
| 11172 | Relational Operator | Shahriar Manzoor | Derek Kisman | |
| 11173 | Grey Codes | Igor Naverniouk (Abednego) | Shahriar Manzoor | |
| 11174 | Stand in a Line | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11175 | From D to E and Back | Igor Naverniouk (Abednego) | Joachim Wulff (Little Joey) | |
| 11176 | Winning Streak | Per Austrin | Mikael Goldmann | |
| 11177 | Fighting Against a Polygonal Monster | Rujia Liu | Wenbin Tang Yiming Li | |
| 11178 | Morley's Theorem | Shahriar Manzoor | Joachim Wulff (Little Joey) | |
| 11179 | Bit Stream | Joachim Wulff (Little Joey) | Shahriar Manzoor | |
| 11180 | Base i-1 | Igor Naverniouk (Abednego) | Shahriar Manzoor | |
| 11181 | Probability|Given | Shahriar Manzoor | Derek Kisman | |
| 11182 | Zeroes III | Shahriar Manzoor | Derek Kisman | |
| 11183 | Teen Girl Squad | Igor Naverniouk (Abednego) | ||
| 11184 | Joyful Ride | Rujia Liu | Shahriar Manzoor | |
| 11185 | Ternary | Shahriar Manzoor | ||
| 11186 | Circum Triangle | Shahriar Manzoor | Derek Kisman | |
| 11187 | Water Crisis | Md. Kamruzzaman (KZaman) | Abdullah-al-Mahmud (Satej) | |
| 11188 | A Strange Opera House | Rujia Liu | Yiming Li | |
| 11189 | A Simple Pendulum | Shahriar Manzoor | Derek Kisman | |
| 11190 | Series of Powers | Shahriar Manzoor | Derek Kisman | |
| 11191 | Square | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11192 | Group Reverse | Shahriar Manzoor | Derek Kisman | |
| 11193 | Infinix | Md. Kamruzzaman (KZaman) | Abdullah-al-Mahmud (Satej) | |
| 11194 | Stone Grid | Abdullah-al-Mahmud (Satej) | Derek Kisman Igor Naverniouk (Abednego) | |
| 11196 | Birthday Cake | Rujia Liu | ||
| 11199 | Equations in Disguise | Rujia Liu | ||
| 11208 | Airplane Scheduling | Rujia Liu | ||
| 11209 | Be Together Again and Forever | Rujia Liu | ||
| 11211 | Digital Logic | Rujia Liu | ||
| 11212 | Editing a Book | Rujia Liu | ||
| 11216 | Irrigation | Rujia Liu | ||
| 11217 | Jewel Magnetizer | Rujia Liu | ||
| 11219 | How old are you? | Diego Caminha Barbosa de Oliveira | ||
| 11220 | Decoding the message. | Sérgio Queiroz de Medeiros | ||
| 11221 | Magic square palindromes. | Daniel Amaral de Medeiros Rocha | ||
| 11222 | Only I did it! | Diego Caminha Barbosa de Oliveira | ||
| 11223 | O: dah dah dah! | David Deharbe | ||
| 11224 | Let's swim! | Sérgio Queiroz de Medeiros | ||
| 11225 | Tarot scores. | David Deharbe | ||
| 11226 | Reaching the fix-point. | David Deharbe | ||
| 11227 | The silver bullet. | David Deharbe | ||
| 11228 | Transportation system. | Herbert de Mélo Duarte | ||
| 11229 | Improved tic-tac-toe. | Diego Caminha Barbosa de Oliveira | ||
| 11239 | Open Source | Prabhakar Ragde | ||
| 11240 | Antimonotonicity | Tor Myklebust | ||
| 11241 | Humidex | Ond?ej Lhoták | ||
| 11242 | Tour de France | Gordon V. Cormack Ond?ej Lhoták | ||
| 11243 | Texas Trip | Gordon V. Cormack Tor Myklebust | ||
| 11244 | Counting Stars | Shahriar Manzoor | Syed Monowar Hossain | |
| 11245 | Anti-Arithmetic-Sequence | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11246 | K-Multiple Free set | Abdullah-al-Mahmud (Satej) | Shahriar Manzoor | |
| 11247 | Income Tax | Shahriar Manzoor | Derek Kisman | |
| 11248 | Frequency Hopping | Syed Monowar Hossain | Abdullah-al-Mahmud (Satej) | |
| 11249 | Game | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11250 | Working with Small Numbers | Shahriar Manzoor | Derek Kisman | |
| 11251 | Fractions | Derek Kisman Shahriar Manzoor | ||
| 11252 | Take Me Home (To the Place I Belong) | Syed Monowar Hossain | Abdullah-al-Mahmud (Satej) Shahriar Manzoor | |
| 11253 | Fractal | Cho | ||
| 11254 | Consecutive Integers | Cho | ||
| 11255 | Necklace | Cho | ||
| 11256 | Repetitive Multiple | Cho | ||
| 11257 | New Marketing Plan | Cho | ||
| 11258 | String Partition | Cho | ||
| 11259 | Coin Changing Again | Cho | ||
| 11260 | Odd Root Sum | Shahriar Manzoor | Derek Kisman | |
| 11261 | Bishops | Istiaque Ahmed | Manzurur Rahman Khan (Sidky) | |
| 11262 | Weird Fence | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11263 | Nested Rectangles | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11264 | Coin Collector | Abdullah-al-Mahmud (Satej) | Mohammad Mahmudur Rahman | |
| 11265 | The Sultan's Problem | Manzurur Rahman Khan (Sidky) | Mohammad Mahmudur Rahman | |
| 11266 | Equations | Abdullah-al-Mahmud (Satej) | Istiaque Ahmed Mohammad Mahmudur Rahman | |
| 11267 | The Hire-a-Coder Business Model | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11268 | Reliable Network | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11269 | Setting Problems | Mohammad Mahmudur Rahman | Abdullah-al-Mahmud (Satej) | |
| 11270 | Tiling Dominoes | Josh Bao | Rodrigo Burgos Domínguez | |
| 11271 | Lattice of Resistors | Josh Bao | Mike Liu | |
| 11272 | Summing the Lengths of the Longest Increasing Subsequence of Permutations | Josh Bao | Mike Liu | |
| 11273 | Warping N Dimensional Space | Josh Bao | Mike Liu | |
| 11274 | Infinite Resistor Network | Josh Bao | Mike Liu | |
| 11275 | 3D Triangles | Josh Bao | Mike Liu | |
| 11276 | Magical Seven | Josh Bao | Mike Liu | |
| 11277 | Cyclic Polygons | Josh Bao | Wenyuan Chen | |
| 11278 | One-Handed Typist | Sonny Chan | ||
| 11279 | Keyboard Comparison | Sonny Chan | ||
| 11280 | Flying to Fredericton | Brett Shikaze | ||
| 11281 | Triangular Pegs in Round Holes | Sonny Chan | ||
| 11282 | Mixing Invitations | Daniel Adler | ||
| 11283 | Playing Boggle | Sonny Chan | ||
| 11284 | Shopping Trip | Sonny Chan | ||
| 11285 | Exchange Rates | Ond?ej Lhoták | ||
| 11286 | Conformity | Gordon V. Cormack | ||
| 11287 | Pseudoprime Numbers | Gordon V. Cormack | ||
| 11288 | Carpool | Ond?ej Lhoták | ||
| 11289 | Friend or Foe? | Gordon V. Cormack | ||
| 11290 | Gangs | Prabhakar Ragde | ||
| 11291 | Smeech | Gordon V. Cormack | ||
| 11292 | Dragon of Loowater | Ond?ej Lhoták | ||
| 11293 | Tournament | Gordon V. Cormack | ||
| 11294 | Wedding | Prabhakar Ragde | ||
| 11295 | Anti Monotonicity Revisited | Josh Bao Rodrigo Burgos Domínguez | ||
| 11296 | Counting Solutions to an Integral Equation | Josh Bao | ||
| 11297 | Census | Rodrigo Burgos Domínguez | ||
| 11298 | Dissecting a Hexagon | Josh Bao | ||
| 11299 | Separating Rods | Rodrigo Burgos Domínguez | ||
| 11300 | Spreading the Wealth | Josh Bao | ||
| 11301 | Great Wall of China | Rodrigo Burgos Domínguez | ||
| 11302 | Hexadecimal Digits of an Integral | Josh Bao | ||
| 11303 | Permutations | Rodrigo Burgos Domínguez | ||
| 11304 | Difussing Nuclear Bombs on Planet X | Josh Bao | ||
| 11305 | Chess on Planet X | Josh Bao | ||
| 11306 | Optimal Marriage on Planet X | Josh Bao | ||
| 11307 | Alternative Arborescence | Darko Aleksic | ||
| 11308 | Bankrupt Baker | Sean McIntyre | ||
| 11309 | Counting Chaos | Sean McIntyre | ||
| 11310 | Delivery Debacle | Darko Aleksic | ||
| 11311 | Exclusively Edible | Darko Aleksic | ||
| 11312 | Flipping Frustration | Sean McIntyre | ||
| 11313 | Gourmet Games | Darko Aleksic | ||
| 11314 | Hardly Hard | John Zhang | ||
| 11315 | Attacker | Chen Qifeng | Rujia Liu | |
| 11316 | Prime Frog | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11317 | GCD+LCM | Shahriar Manzoor | Abdullah-al-Mahmud (Satej) | |
| 11318 | Marble Game | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11319 | Stupid Sequence | Shahriar Manzoor | Abdullah-al-Mahmud (Satej) | |
| 11320 | Hidden Triangles | Shahriar Manzoor | Derek Kisman | |
| 11321 | Sort! Sort!! and Sort!!! | Shahriar Manzoor | Syed Monowar Hossain | |
| 11322 | Romeo and Juliet | Shahriar Manzoor | Derek Kisman | |
| 11323 | Satisfying Constraints | Zachary Friggstad | ||
| 11324 | The Largest Clique | Zachary Friggstad | ||
| 11325 | This Means War! | Jason Klaus | ||
| 11326 | Laser Pointer | Zachary Friggstad | ||
| 11327 | Enumerating Rational Numbers | Zachary Friggstad | ||
| 11328 | Drawing Straws at the Office | Zachary Friggstad | ||
| 11329 | Curious Fleas | Zachary Friggstad | ||
| 11330 | Andy's Shoes | Martin Muller | ||
| 11331 | The Joys of Farming | Martin Muller | ||
| 11332 | Summing Digits | Zachary Friggstad | ||
| 11340 | Newspaper | A. Augusto Sousa Aleksej Viktorchik Leonid Shishlo | ||
| 11341 | Term Strategy | Aleksej Viktorchik Leonid Shishlo | ||
| 11342 | Three-square | Aleksej Viktorchik Leonid Shishlo | ||
| 11343 | Isolated Segments | Aleksej Viktorchik Leonid Shishlo | ||
| 11344 | The Huge One | Aleksej Viktorchik Leonid Shishlo | ||
| 11345 | Rectangles | Aleksej Viktorchik Leonid Shishlo | ||
| 11346 | Probability | Aleksej Viktorchik Leonid Shishlo | ||
| 11347 | Multifactorials | Aleksej Viktorchik Leonid Shishlo | ||
| 11348 | Exhibition | Aleksej Viktorchik Leonid Shishlo | ||
| 11349 | Symmetric Matrix | Aleksej Viktorchik Leonid Shishlo | ||
| 11350 | Stern-Brocot Tree | Aleksej Viktorchik Leonid Shishlo | ||
| 11351 | Last Man Standing | Aleksej Viktorchik Leonid Shishlo | ||
| 11352 | Crazy King | Aleksej Viktorchik Leonid Shishlo | ||
| 11353 | A Different Kind of Sorting | Shamim Hafiz | ||
| 11354 | Bond | Ivan Krasilnikov | ||
| 11355 | Cool Points | Sohel Hafiz | Ivan Krasilnikov | |
| 11356 | Dates | Sohel Hafiz | ||
| 11357 | Ensuring Truth | Ivan Krasilnikov | ||
| 11358 | Faster Processing Feasibility | Mohammad Mahmudur Rahman | Ivan Krasilnikov | |
| 11359 | Guards, Imbecile Guards | Sohel Hafiz | Vinay Singh | |
| 11360 | Have Fun with Matrices | Sohel Hafiz | ||
| 11361 | Investigating Div-Sum Property | Sohel Hafiz | Ivan Krasilnikov | |
| 11371 | Number Theory for Newbies | Mak Yan Kei | ||
| 11372 | Arranging a Contest | Mak Yan Kei | ||
| 11373 | Happy Birthday | Mak Yan Kei | ||
| 11374 | Airport Express | Raymond Chun | ||
| 11375 | Matches | Mak Yan Kei | ||
| 11376 | Tilt! | Andrea Gilbert | ||
| 11377 | Airport Setup | Tasnin Imran Sunny | Md. Mahbubul Hasan | |
| 11378 | Bey Battle | Md. Mahbubul Hasan | ||
| 11379 | Chichi's Home Work | Md. Mahbubul Hasan | Tasnin Imran Sunny | |
| 11380 | Down Went The Titanic | Ishtiak Zaman | Md. Mahbubul Hasan | |
| 11381 | Elegant Strings | Tasnin Imran Sunny | Simon Lo | |
| 11382 | Fear of The Dark | Tasnin Imran Sunny | Md. Mahbubul Hasan | |
| 11383 | Golden Tiger Claw | Md. Mahbubul Hasan | ||
| 11384 | Help is needed for Dexter | Md. Mahbubul Hasan | ||
| 11385 | Da Vinci Code | Mohammed Shamsul Alam | Mohammed Saifur Rahim Tanveer Ahsan | |
| 11386 | Triples | Md. Kamruzzaman (KZaman) | ||
| 11387 | The 3-Regular Graph | Manzurur Rahman Khan (Sidky) | Mohammad Mahmudur Rahman | |
| 11388 | GCD LCM | Shamim Hafiz | ||
| 11389 | The Bus Driver Problem | Mohammad Mahmudur Rahman | ||
| 11390 | The Sultan's Feast | Manzurur Rahman Khan (Sidky) | ||
| 11391 | Blobs in the Board | Istiaque Zaman | ||
| 11392 | Binary*3 Type Multiple | Md. Mahbubul Hasan | Abdullah-al-Mahmud (Satej) | |
| 11393 | Tri-Isomorphism | Mohammad Mahmudur Rahman | ||
| 11394 | Digit Blocks | Shahriar Manzoor | Derek Kisman | |
| 11395 | Sigma Function | Shahriar Manzoor | ||
| 11396 | Claw Decomposition | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11397 | Reconstructing Binary Forests | Manzurur Rahman Khan (Sidky) | ||
| 11398 | The Base-1 Number System | Mohammad Mahmudur Rahman | ||
| 11399 | What be thy Name, O Dear Tree? | K. Raiyan Kamal | ||
| 11400 | Lighting System Design | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11401 | Triangle Counting | Mohammad Mahmudur Rahman | ||
| 11402 | Ahoy, Pirates! | Istiaque Ahmed | Mohammad Mahmudur Rahman | |
| 11403 | Binary Multiplication | M. Mizanur Rahman | ||
| 11404 | Palindromic Subsequence | Rajesh S. R. Vijay S. | ||
| 11405 | Can U Win? | Vijay S. | ||
| 11406 | Best Trap | Ramgopal K. | ||
| 11407 | Squares | Siddhart S. | ||
| 11408 | Count DePrimes | Ramgopal K. | ||
| 11409 | Ball Passing | Ramgopal K. | ||
| 11410 | LAEncoding | Srivathsan | ||
| 11411 | MiniMice | Ramgopal K. | ||
| 11412 | Dig the Holes | Vijay S. | ||
| 11413 | Fill the Containers | Rajesh S. R. | ||
| 11414 | Dream | Shankara Raman S. Vijay S. | ||
| 11415 | Count the Factorials | Siddhart S. | ||
| 11416 | Excel Evaluation | Raghavan M. | ||
| 11417 | GCD | Shahriar Manzoor | Syed Monowar Hossain | |
| 11418 | Clever Naming Patterns | Igor Naverniouk (Abednego) | ||
| 11419 | SAM I AM | Syed Monowar Hossain | Derek Kisman | |
| 11420 | Chest of Drawers | Shahriar Manzoor | Derek Kisman | |
| 11421 | Arranging Cards | Rujia Liu | Dong Zhou | |
| 11422 | Escaping from Fractal Bacterium | Shahriar Manzoor | Derek Kisman | |
| 11423 | Cache Simulator | Md. Kamruzzaman (KZaman) | Derek Kisman | |
| 11424 | GCD - Extreme (I) | Shahriar Manzoor Syed Monowar Hossain | ||
| 11425 | Collecting Luggage EXTREME!!! | Derek Kisman | Per Austrin | |
| 11426 | GCD - Extreme (II) | Shahriar Manzoor | Syed Monowar Hossain | |
| 11427 | Expect the Expected | Igor Naverniouk (Abednego) | Frank Chu | |
| 11428 | Cubes | Shahriar Manzoor | Derek Kisman | |
| 11429 | Randomness | Derek Kisman | ||
| 11430 | ETS Problem setting | Shahriar Manzoor | Derek Kisman | |
| 11431 | Partitioning a Number | Linyun Yu | Rujia Liu | |
| 11432 | Busy Programmer | Mohammad Mahmudur Rahman | Abdullah-al-Mahmud (Satej) | |
| 11433 | The Dicey Dice | Shahriar Manzoor | Derek Kisman | |
| 11434 | Careless Postman Problem | Manzurur Rahman Khan (Sidky) | Derek Kisman | |
| 11435 | Network EXTREME!!! | Derek Kisman | Per Austrin | |
| 11436 | Cubes - EXTREME!!! | Shahriar Manzoor | Derek Kisman | |
| 11437 | Triangle Fun | Shahriar Manzoor | ||
| 11438 | Integer Transmission EXTREME | Rujia Liu | ||
| 11439 | Maximizing the ICPC | Per Austrin | Derek Kisman | |
| 11440 | Help Tomisu | Shahriar Manzoor | Per Austrin | |
| 11441 | Encoding/Decoding | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11442 | Linear Diophantine Tidbits | Shahriar Manzoor | Derek Kisman | |
| 11443 | Tree in a Grid | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 11444 | Sum | Abdullah-al-Mahmud (Satej) | Manuela Pereira | |
| 11445 | Water Tanks EXTREME | Derek Kisman | Per Austrin | |
| 11446 | Where is the 'back' button? | Mohammad Mahmudur Rahman | Abdullah-al-Mahmud (Satej) | |
| 11456 | Trainsorting | Ond?ej Lhoták | ||
| 11457 | Classified | Ian Goldberg | ||
| 11458 | Hot Spot | Ond?ej Lhoták | ||
| 11459 | Snakes and Ladders | Ond?ej Lhoták | ||
| 11460 | Balance | Ond?ej Lhoták | ||
| 11461 | Square Numbers | Shahriar Manzoor | ||
| 11462 | Age Sort | Mohammad Mahmudur Rahman | Shahriar Manzoor | |
| 11463 | Commandos | Shamim Hafiz | Md. Arifuzzaman Arif | |
| 11464 | Even Parity | Sohel Hafiz | Derek Kisman Md. Arifuzzaman Arif | |
| 11465 | Count the Polygons | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11466 | Largest Prime Divisor | Shahriar Manzoor | Syed Monowar Hossain | |
| 11467 | Pythagorean Triangles | Shahriar Manzoor | Derek Kisman | |
| 11468 | Substring | Manzurur Rahman Khan (Sidky) | ||
| 11469 | Treasure Hunt | Manzurur Rahman Khan (Sidky) | Abdullah-al-Mahmud (Satej) | |
| 11470 | Square Sums | Sohel Hafiz | ||
| 11471 | Arrange the Tiles | Sohel Hafiz | Md. Arifuzzaman Arif Shamim Hafiz | |
| 11472 | Beautiful Numbers | Md. Arifuzzaman Arif | Sohel Hafiz | |
| 11473 | Campus Roads | Md. Arifuzzaman Arif | Shamim Hafiz | |
| 11474 | Dying Tree | Asmaa Magdi | Muhammad Magdy Sohel Hafiz | |
| 11475 | Extend to Palindrome | Muntasir Azam Khan | Kazi Rakibul Hossain | |
| 11476 | Factorizing Larget Integers | Tasnin Imran Sunny | Mir Wasi Ahmed | |
| 11477 | Game of Rectangles | Md. Arifuzzaman Arif | Istiaque Ahmed | |
| 11478 | Halum | Md. Mahbubul Hasan | ||
| 11479 | Is this the easiest problem? | Shamim Hafiz | ||
| 11480 | Jimmy's Balls | Sohel Hafiz | ||
| 11481 | Arrange the Numbers | Md. Arifuzzaman Arif | Abdullah-al-Mahmud (Satej) Jane Alam Jan | |
| 11482 | Building a Triangular Museum | Jane Alam Jan | Sohel Hafiz | |
| 11483 | Code Creator | Shamim Hafiz | Sohel Hafiz | |
| 11484 | Document Object Model | Shamim Hafiz | Jane Alam Jan | |
| 11485 | Extreme Discrete Summation | Shahriar Manzoor | Derek Kisman | |
| 11486 | Finding Paths in Grid | Md. Arifuzzaman Arif | Abdullah-al-Mahmud (Satej) | |
| 11487 | Gathering Food | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11488 | Hyper Prefix Sets | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11489 | Integer Game | Sohel Hafiz | Md. Arifuzzaman Arif Shamim Hafiz | |
| 11490 | Just Another Problem | Shahriar Manzoor | Syed Monowar Hossain | |
| 11501 | Laurel Creek | Ond?ej Lhoták | ||
| 11502 | Rocket Stages | Gordon V. Cormack Ond?ej Lhoták | ||
| 11503 | Virtual Friends | Ond?ej Lhoták | ||
| 11504 | Dominos | Ond?ej Lhoták | ||
| 11505 | Logo | Ond?ej Lhoták | ||
| 11515 | Cranes | Ond?ej Lhoták | ||
| 11516 | WiFi | Ond?ej Lhoták | ||
| 11517 | Exact Change | Ond?ej Lhoták | ||
| 11518 | Dominos 2 | Ond?ej Lhoták | ||
| 11519 | Logo 2 | Ond?ej Lhoták | ||
| 11520 | Fill the Square | Sohel Hafiz | ||
| 11521 | Compressor | Rujia Liu Xin Qi | Yiming Li | |
| 11522 | Pyramid Number | Mohammad Mahmudur Rahman | Igor Naverniouk (Abednego) | |
| 11523 | Recycling | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11524 | InCircle | Shahriar Manzoor | Mohammad Mahmudur Rahman | |
| 11525 | Permutation | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11526 | H(n) | Md. Arifuzzaman Arif | Shahriar Manzoor | |
| 11527 | Morning Walk | Shahriar Manzoor | Derek Kisman | |
| 11528 | Switch Grid | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11529 | Strange Tax Calculation | Shahriar Manzoor | Derek Kisman | |
| 11530 | SMS Typing | Shamim Hafiz | Sohel Hafiz | |
| 11531 | Solve the Broken Maze | Md. Arifuzzaman Arif | Derek Kisman | |
| 11532 | Simple Adjacency Maximization | Mohammad Mahmudur Rahman | Sabbir Yousuf Sanny | |
| 11533 | Special Number | Sadrul Habib Chowdhury | Manzurur Rahman Khan (Sidky) Md. Arifuzzaman Arif Mohammad Mahmudur Rahman Sabbir Yousuf Sanny | |
| 11534 | Say Goodbye to Tic-Tac-Toe | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) | |
| 11535 | Set of Marbles | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) Md. Arifuzzaman Arif | |
| 11536 | Smallest Sub-Array | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11537 | Secret Problemsetters' Union | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11538 | Chess Queen | Shahriar Manzoor | Mohammad Mahmudur Rahman | |
| 11539 | Another Word Game | Md. Arifuzzaman Arif | Sabbir Yousuf Sanny | |
| 11540 | Sultan's Chandelier | Manzurur Rahman Khan (Sidky) | Sabbir Yousuf Sanny | |
| 11541 | Decoding | Sohel Hafiz | Mohammad Mahmudur Rahman | |
| 11542 | Square | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11543 | Two Points And Curious MumboJumbo | K. Raiyan Kamal | Md. Arifuzzaman Arif | |
| 11544 | Recruiter's Problem | Manzurur Rahman Khan (Sidky) | Sabbir Yousuf Sanny | |
| 11545 | Avoiding Jungle in the Dark | Shamim Hafiz | Md. Arifuzzaman Arif | |
| 11546 | Olympic Swimming | Mohammad Mahmudur Rahman | Md. Arifuzzaman Arif | |
| 11565 | Simple Equations | Mak Yan Kei | ||
| 11566 | Let's Yum Cha! | Mak Yan Kei | ||
| 11567 | Moliu Number Generator | Mak Yan Kei | ||
| 11568 | Pincer Attack!! | Mak Yan Kei | ||
| 11569 | Lovely Hint | Raymond Chun | ||
| 11570 | Sudoku without numbers? | Mak Yan Kei | ||
| 11571 | Simple Equations - Extreme!! | Mak Yan Kei | ||
| 11572 | Unique Snowflakes | Ond?ej Lhoták Richard Peng | ||
| 11573 | Ocean Currents | Ond?ej Lhoták Richard Peng | ||
| 11574 | Colliding Traffic | Ond?ej Lhoták Richard Peng | ||
| 11575 | Zerg Rush!!! | Ond?ej Lhoták Richard Peng | ||
| 11576 | Scrolling Sign | Ond?ej Lhoták Richard Peng | ||
| 11577 | Letter Frequency | Sumudu Fernando | ||
| 11578 | Situp Benches | Kevin Waugh | ||
| 11579 | Triangle Trouble | Sumudu Fernando | ||
| 11580 | Finding the Transmitter | Sumudu Fernando | ||
| 11581 | Grid Successors | Babak Behsaz Zachary Friggstad | ||
| 11582 | Colossal Fibonacci Numbers! | Zachary Friggstad | ||
| 11583 | Alien DNA | Babak Behsaz Zachary Friggstad | ||
| 11584 | Partitioning by Palindromes | Kevin Waugh | ||
| 11585 | Nurikabe | Zachary Friggstad | ||
| 11586 | Train Tracks | Martin Muller | ||
| 11587 | Brick Game | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11588 | Image Coding | Mohammad Mahmudur Rahman | Md. Arifuzzaman Arif | |
| 11589 | Save the President | Shahriar Manzoor | Abdullah-al-Mahmud (Satej) Rujia Liu | |
| 11590 | Prefix Lookup | Md. Kamruzzaman (KZaman) | Derek Kisman | |
| 11591 | Bulb Inside a Grid | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11592 | Bulb inside a Grid (II) | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) Sohel Hafiz | |
| 11593 | Fractions | Shahriar Manzoor | Per Austrin | |
| 11594 | All Pairs Maximum Flow | Igor Naverniouk (Abednego) | Per Austrin | |
| 11595 | Crossing Streets EXTREME | Shahriar Manzoor | Derek Kisman | |
| 11596 | Convex Orthogonal Polygon | Shahriar Manzoor | Derek Kisman | |
| 11597 | Spanning Subtree | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11598 | Optimal Segments | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11599 | Triangle and Polynomial | Shahriar Manzoor | Derek Kisman Mohammad Mahmudur Rahman | |
| 11600 | Masud Rana | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) | |
| 11601 | Avoiding Overlaps | Md. Arifuzzaman Arif | Sohel Hafiz | |
| 11602 | SMS for Blind | Shahriar Manzoor | Derek Kisman | |
| 11603 | Its all about the Bandwidth | Igor Naverniouk (Abednego) | Per Austrin | |
| 11604 | General Sultan | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) Md. Arifuzzaman Arif | |
| 11605 | Lights inside a 3d Grid | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) | |
| 11606 | Atoms | Shamim Hafiz | Sohel Hafiz | |
| 11607 | Cutting Cakes | Manzurur Rahman Khan (Sidky) | Sohel Hafiz | |
| 11608 | No Problem | Mohammad Mahmudur Rahman | Md. Arifuzzaman Arif | |
| 11609 | Teams | Md. Towhidul Islam Talukder | Md. Arifuzzaman Arif | |
| 11610 | Reverse Prime | Mohiul Alam Prince | Sabbir Yousuf Sanny | |
| 11611 | Colored Tiles | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11612 | Sultan and Khairun Shundori | Sabbir Yousuf Sanny | Manzurur Rahman Khan (Sidky) | |
| 11613 | Acme Corporation | Manzurur Rahman Khan (Sidky) | Md. Arifuzzaman Arif | |
| 11636 | Hello World! | Shahriar Manzoor | Sohel Hafiz | |
| 11637 | Garbage Remembering Exam | Samee Zahur | Sabbir Yousuf Sanny | |
| 11638 | Temperature Monitoring | Shamim Hafiz | Md. Arifuzzaman Arif | |
| 11639 | Guard the Land | Md. Arifuzzaman Arif | Md. Towhidul Islam Talukder | |
| 11640 | Mayor Election | Manzurur Rahman Khan (Sidky) | Mohammad Mahmudur Rahman | |
| 11641 | Looking for a New Place | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11642 | Bangladesh Premier League | Sabbir Yousuf Sanny | Samee Zahur | |
| 11643 | Knight Tour | Md. Arifuzzaman Arif | Sohel Hafiz | |
| 11644 | Pyragrid | Mohammad Mahmudur Rahman | ||
| 11645 | Bits | Mohiul Alam Prince | Sabbir Yousuf Sanny | |
| 11646 | Athletics Track | Sabbir Yousuf Sanny | Manzurur Rahman Khan (Sidky) | |
| 11647 | Judgment Day | Manzurur Rahman Khan (Sidky) | Sabbir Yousuf Sanny | |
| 11648 | Divide The Land | Md. Towhidul Islam Talukder | Md. Arifuzzaman Arif | |
| 11649 | Home! Sweet Home! | Md. Arifuzzaman Arif | Jane Alam Jan | |
| 11650 | Mirror Clock | Md. Towhidul Islam Talukder | Sohel Hafiz | |
| 11651 | Krypton Number System | Jane Alam Jan | Manzurur Rahman Khan (Sidky) | |
| 11652 | Power Faster | Raiyan Kamal | Sabbir Yousuf Sanny | |
| 11653 | Stick Makes Gold | Jane Alam Jan | Md. Arifuzzaman Arif | |
| 11654 | Arithmetic Subsequence | Shamim Hafiz | Md. Arifuzzaman Arif | |
| 11655 | Waterland | Syed Monowar Hossain | Md. Arifuzzaman Arif | |
| 11666 | Logarithms | Shahriar Manzoor | Derek Kisman Md. Arifuzzaman Arif Sohel Hafiz | |
| 11667 | Income Tax Hazard II | Shahriar Manzoor | Derek Kisman | |
| 11668 | How Many Teams | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11669 | Non Decreasing Prime Sequence | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) | |
| 11670 | Physics Experiment | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11671 | Sign of Matrix | Rujia Liu Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11672 | Dynamic Summation | Samee Zahur | Md. Arifuzzaman Arif | |
| 11673 | Enemy at the Gateway | Manzurur Rahman Khan (Sidky) | Samee Zahur | |
| 11674 | In-Ellipse | Shahriar Manzoor | Derek Kisman | |
| 11675 | Happy Friends | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) | |
| 11713 | Abstract Names | Shamim Hafiz | Tanveer Ahsan | |
| 11714 | Blind Sorting | Md. Mahbubul Hasan | Shamim Hafiz | |
| 11715 | Car | Jane Alam Jan | Md. Shiplu Hawlader | |
| 11716 | Digital Fortress | Mohammed Shamsul Alam | Tanveer Ahsan | |
| 11717 | Energy Saving Microcontroller | Shamim Hafiz | Sohel Hafiz | |
| 11718 | Fantasy of a Summation | Jane Alam Jan | Anna Fariha | |
| 11719 | Gridland Airports | Tasnin Imran Sunny | Md. Arifuzzaman Arif Md. Mahbubul Hasan | |
| 11720 | How Many Ways | Tasnin Imran Sunny | Md. Mahbubul Hasan | |
| 11721 | Instant View of Big Bang | Jane Alam Jan | Md. Abirul Islam | |
| 11722 | Joining with Friend | Md. Towhidul Islam Talukder | Md. Mahbubul Hasan Samee Zahur | |
| 11723 | Numbering Roads | Shahriar Manzoor | Sohel Hafiz | |
| 11724 | Evaluate the Expression | Sohel Hafiz | Renat Mullakhanov | |
| 11725 | Colorful Board | Md. Arifuzzaman Arif | Mohammad Mahmudur Rahman | |
| 11726 | Crime Scene | Manzurur Rahman Khan (Sidky) | Samee Zahur | |
| 11727 | Cost Cutting | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11728 | Alternate Task | Shamim Hafiz | Sohel Hafiz | |
| 11729 | Commando War | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11730 | Number Transformation | Mohammad Mahmudur Rahman | Md. Arifuzzaman Arif | |
| 11731 | Ex-circles | Shahriar Manzoor | Sohel Hafiz | |
| 11732 | strcmp() Anyone? | Shahriar Manzoor | Manzurur Rahman Khan (Sidky) Md. Arifuzzaman Arif Sohel Hafiz | |
| 11733 | Airports | Muntasir Azam Khan | Sohel Hafiz | |
| 11734 | Big Number of Teams will Solve This | Shamim Hafiz | Md. Arifuzzaman Arif | |
| 11735 | Corner the Queens | Md. Towhidul Islam Talukder | Md. Arifuzzaman Arif | |
| 11736 | Debugging RAM | Adnan Chowdhury | Shamim Hafiz | |
| 11737 | Extreme Primitive Society | Raiyan Kamal | Sabbir Yousuf Sanny | |
| 11738 | Few Teams will Solve this | Rujia Liu | Sohel Hafiz | Renat Mullakhanov |
| 11739 | Giving Candies | Muntasir Azam Khan | Md. Arifuzzaman Arif | |
| 11740 | How Dark Can it Be? | Samee Zahur | Md. Towhidul Islam Talukder | |
| 11741 | Ignore the Blocks | Samee Zahur | Md. Arifuzzaman Arif | |
| 11752 | The Super Powers | Shahriar Manzoor | Sohel Hafiz | |
| 11753 | Creating Palindrome | Md. Arifuzzaman Arif | Abdullah-al-Mahmud (Satej) | |
| 11754 | Code Feat | Derek Kisman | Samee Zahur | |
| 11755 | Table Tennis | Sohel Hafiz | Samee Zahur | |
| 11756 | Bounded by Lines | Manzurur Rahman Khan (Sidky) | Samee Zahur | |
| 11757 | Winger Trial | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11758 | Left Right | Manzurur Rahman Khan (Sidky) | Samee Zahur | |
| 11759 | IBM Fencing | Shahriar Manzoor | Derek Kisman | |
| 11760 | Brother Arif, Please feed us! | Mohammad Mahmudur Rahman | Sohel Hafiz | |
| 11761 | Super Heronian Triangle | Shahriar Manzoor | Samee Zahur | |
| 11762 | Race to 1 | Md. Arifuzzaman Arif | Sohel Hafiz | |
| 11763 | Hats Off | Jane Alam Jan | Manzurur Rahman Khan (Sidky) | |
| 11764 | Jumping Mario | Sohel Hafiz | Shamim Hafiz | |
| 11765 | Component Placement | Manzurur Rahman Khan (Sidky) | Samee Zahur | |
| 11766 | Racing Car Computer | Mohammad Mahmudur Rahman | Md. Arifuzzaman Arif | |
| 11767 | World of Knots | Samee Zahur | Manzurur Rahman Khan (Sidky) | |
| 11768 | Lattice Point or Not | Shahriar Manzoor | Shahriar Manzoor | |
| 11769 | All Souls Night | Mohammad Mahmudur Rahman | Jane Alam Jan | |
| 11770 | Lighting Away | Samee Zahur | Jane Alam Jan | |
| 11771 | Dhaka Bots | Samee Zahur | Manzurur Rahman Khan (Sidky) | |
| 11772 | A Bee Love Story | Jane Alam Jan | Md. Arifuzzaman Arif | |
| 11773 | King's Wish | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 11774 | Doom's Day | Tanaeem Md. Moosa | Jane Alam Jan Manzurur Rahman Khan (Sidky) | |
| 11775 | Unique Story | Shamim Hafiz | Jane Alam Jan | |
| 11776 | Oh Your Royal Greediness! | Mohammad Mahmudur Rahman | Md. Towhidul Islam Talukder | |
| 11777 | Automate the Grades | Sohel Hafiz | Shamim Hafiz | |
| 11778 | Graph Coloring in HSL | Manzurur Rahman Khan (Sidky) | Mohammad Mahmudur Rahman | |
| 11779 | Lost File | Md. Arifuzzaman Arif | Jane Alam Jan Samee Zahur | |
| 11794 | Dazzling Puzzle | Jane Alam Jan | Manzurur Rahman Khan (Sidky) | |
| 11795 | Mega Man's Mission | Shamim Hafiz | Jane Alam Jan Sohel Hafiz | |
| 11796 | Dog Distance | Sohel Hafiz | Jane Alam Jan Md. Towhidul Islam Talukder | |
| 11797 | Drutojan Express | Jane Alam Jan | ||
| 11798 | Colorful Board 2 | Md. Arifuzzaman Arif | Jane Alam Jan Md. Towhidul Islam Talukder | |
| 11799 | Horror Dash | Samee Zahur | Manzurur Rahman Khan (Sidky) | |
| 11800 | Determine the Shape | Md. Towhidul Islam Talukder | Manzurur Rahman Khan (Sidky) | |
| 11801 | A Problemsetter Blind with Emotion | Mohammad Mahmudur Rahman | Jane Alam Jan | |
| 11802 | All Your Bases Belong to Us | Tanaeem Md. Moosa | Jane Alam Jan | |
| 11803 | The Great Merger | Manzurur Rahman Khan (Sidky) | Jane Alam Jan | |
| 11804 | Argentina | Sohel Hafiz | Jane Alam Jan Shamim Hafiz | |
| 11805 | Bafana Bafana | Md. Arifuzzaman Arif | Muntasir Azam Khan Sohel Hafiz | |
| 11806 | Cheerleaders | Shamim Hafiz | Jane Alam Jan Md. Arifuzzaman Arif | |
| 11807 | Dumb Eucelics' Pyramid Walk | Samee Zahur | Jane Alam Jan | |
| 11808 | Ensuring Victory | Muntasir Azam Khan | Jane Alam Jan Samee Zahur | |
| 11809 | Floating-Point Numbers | Shahriar Manzoor | Derek Kisman Shamim Hafiz Tanaeem Md. Moosa | |
| 11810 | Gentle ping, to the old King | Jane Alam Jan | Md. Arifuzzaman Arif | |
| 11811 | Hello, Mafia | Manzurur Rahman Khan (Sidky) | Jane Alam Jan | |
| 11812 | Innovative Procession Management | Jane Alam Jan | Manzurur Rahman Khan (Sidky) Sohel Hafiz | |
| 11859 | Division Game | Abdullah-al-Mahmud (Satej) | Manzurur Rahman Khan (Sidky) | |
| 11860 | Document Analyzer | Jane Alam Jan | Abdullah-al-Mahmud (Satej) | |
| 11861 | Explosion | Jane Alam Jan | Derek Kisman | |
| 11862 | Airbus vs Boeing | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) | |
| 11863 | Prime Game | Sohel Hafiz | Jane Alam Jan | |
| 11864 | Probability Calculation | Shahriar Manzoor | Md. Arifuzzaman Arif | |
| 11865 | Stream My Contest | Manzurur Rahman Khan (Sidky) | Derek Kisman | |
| 11866 | Triangle | Abdullah-al-Mahmud (Satej) | ||
| 11867 | Politeness | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 11868 | Game of Blocks | Tanaeem Md. Moosa | Md. Arifuzzaman Arif | |
| 11869 | SOAP Response | Shamim Hafiz | Md. Towhidul Islam Talukder Muntasir Azam Khan | |
| 11870 | Antonyms | Muntasir Azam Khan | Sohel Hafiz | |
| 11871 | New Land | Jane Alam Jan | Md. Towhidul Islam Talukder | |
| 11872 | Where to Run | Jane Alam Jan | Sohel Hafiz | |
| 11873 | Gift Packing | Shahriar Manzoor | Derek Kisman | |
| 11874 | Travel Company | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 11875 | Brick Game | Md. Arifuzzaman Arif | Jane Alam Jan Shamim Hafiz | |
| 11876 | N + NOD (N) | Sohel Hafiz | Shamim Hafiz | |
| 11899 | Writing the Whole pi | Tanaeem Md. Moosa | Jane Alam Jan | |
| 11900 | Boiled Eggs | Jane Alam Jan | Sohel Hafiz | |
| 11901 | Ellipse Hazard | Shahriar Manzoor | Jane Alam Jan | |
| 11902 | Dominator | Sohel Hafiz | Jane Alam Jan Kazi Rakibul Hossain | |
| 11903 | e-Friends | Jane Alam Jan | Sohel Hafiz | |
| 11904 | One Unit Machine | Kazi Rakibul Hossain | Jane Alam Jan | |
| 11905 | Map Coloring | Jane Alam Jan | Tanaeem Md. Moosa | |
| 11906 | Knight in a War Grid | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 11907 | Collision of Bacteria | Shamim Hafiz | Jane Alam Jan Tanaeem Md. Moosa | |
| 11908 | Skyscraper | Muntasir Azam Khan | Jane Alam Jan Kazi Rakibul Hossain | |
| 11909 | Soya Milk | Mak Yan Kei | ||
| 11910 | Closest Fractions | Mak Yan Kei | ||
| 11911 | Farther or Closer | Mak Yan Kei | ||
| 11912 | Chutes and Ladders | Mak Yan Kei | ||
| 11913 | Tape Recording | Mak Yan Kei | ||
| 11914 | An Amazing Race | Mak Yan Kei | ||
| 11915 | Recurrence | Abdullah-al-Mahmud (Satej) | Jane Alam Jan | |
| 11916 | Emoogle Grid | Jane Alam Jan | Rujia Liu | |
| 11917 | Do Your Own Homework | Sohel Hafiz | Shamim Hafiz | |
| 11918 | Traveler of Gridland | Md. Arifuzzaman Arif | Sohel Hafiz | |
| 11919 | Hybrid Salientia | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11920 | 0 s, 1 s and ? Marks | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 11921 | Save the Princess | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 11922 | Permutation Transformer | Rujia Liu | Derek Kisman | |
| 11923 | Roundabout | Shamim Hafiz | Md. Towhidul Islam Talukder | |
| 11924 | Unlock the Winning Pot | Tanaeem Md. Moosa | Derek Kisman | |
| 11925 | Generating Permutations | Zachary Friggstad | ||
| 11926 | Multitasking | Martin Muller | ||
| 11927 | Games Are Important | Mohammad Reza Khani | ||
| 11928 | The Busy Dog | Zachary Friggstad | ||
| 11929 | Ambiguous Forests | Zachary Friggstad | ||
| 11930 | Rectangles | Babak Behsaz | ||
| 11931 | Maze Escape | Mohammad Reza Khani | ||
| 11932 | Net Profit | Sumudu Fernando | ||
| 11933 | Splitting Numbers | Zachary Friggstad | ||
| 11934 | Magic Formula | Martin Muller | ||
| 11935 | Through the Desert | Martin Muller | ||
| 11951 | Area | Aleksej Viktorchik Leonid Shishlo | ||
| 11952 | Arithmetic | Aleksej Viktorchik Andrius Mitkus Leonid Shishlo | ||
| 11953 | Battleships | Andrius Mitkus Leonid Shishlo | ||
| 11954 | Binary Calculator | Aleksej Viktorchik Leonid Shishlo | ||
| 11955 | Binomial Theorem | Aleksej Viktorchik Leonid Shishlo | ||
| 11956 | Brainfuck | Aleksej Viktorchik Leonid Shishlo | ||
| 11957 | Checkers | Aleksej Viktorchik Leonid Shishlo | ||
| 11958 | Coming Home | Aleksej Viktorchik Leonid Shishlo | ||
| 11959 | Dice | Aleksej Viktorchik Leonid Shishlo | ||
| 11960 | Divisor Game | Aleksej Viktorchik Leonid Shishlo | ||
| 11961 | DNA | Aleksej Viktorchik Leonid Shishlo | ||
| 11962 | DNA II | Aleksej Viktorchik Leonid Shishlo | ||
| 11963 | Emigration | Aleksej Viktorchik Leonid Shishlo | ||
| 11964 | Equation | Aleksej Viktorchik Leonid Shishlo | ||
| 11965 | Extra Spaces | Aleksej Viktorchik Leonid Shishlo | ||
| 11966 | Galactic Bonding | Aleksej Viktorchik Andrius Mitkus Leonid Shishlo | ||
| 11967 | Hic-Hac-Hoe | Aleksej Viktorchik Leonid Shishlo | ||
| 11968 | In The Airport | Aleksej Viktorchik Leonid Shishlo | ||
| 11969 | LAMApbo | Aleksej Viktorchik Leonid Shishlo | ||
| 11970 | Lucky Numbers | Aleksej Viktorchik Leonid Shishlo | ||
| 11971 | Polygon | Aleksej Viktorchik Leonid Shishlo | ||
| 11972 | Round Trip | Aleksej Viktorchik Leonid Shishlo | ||
| 11973 | Sierpinski Carpet | Aleksej Viktorchik Leonid Shishlo | ||
| 11974 | Switch The Lights | Aleksej Viktorchik Leonid Shishlo | ||
| 11975 | Tele-loto | Aleksej Viktorchik Leonid Shishlo | ||
| 11976 | Time Deposit | Aleksej Viktorchik Leonid Shishlo | ||
| 11977 | Story of Tomisu Ghost | Shahriar Manzoor | Jane Alam Jan Md. Towhidul Islam Talukder | |
| 11978 | Fukushima Nuclear Blast | Jane Alam Jan | Md. Mahbubul Hasan Shahriar Rouf Nafi | |
| 11979 | Hamming Base | Abdullah-al-Mahmud (Satej) | Jane Alam Jan Md. Towhidul Islam Talukder | |
| 11980 | Mad Scientist | Kazi Rakibul Hossain | Jane Alam Jan Md. Arifuzzaman Arif | |
| 11981 | Corrupted Friendship | Shahriar Rouf Nafi | Jane Alam Jan | |
| 11982 | Fantasy Cricket | Md. Arifuzzaman Arif | Jane Alam Jan Kazi Rakibul Hossain | |
| 11983 | Weird Advertisement | Jane Alam Jan | Md. Mahbubul Hasan | |
| 11984 | A Change in Thermal Unit | Shamim Hafiz | Jane Alam Jan Sohel Hafiz | |
| 11985 | Prime Independence | Abdullah-al-Mahmud (Satej) | Jane Alam Jan | |
| 11986 | Save from Radiation | Md. Mahbubul Hasan | Jane Alam Jan Md. Towhidul Islam Talukder | |
| 11987 | Almost Union-Find | Rujia Liu | Yiming Li | |
| 11988 | Broken Keyboard (a.k.a. Beiju Text) | Rujia Liu | Yiming Li | |
| 11989 | Cake Cutting | Rujia Liu | Dun Liang Yeji Shen | |
| 11990 | ``Dynamic'' Inversion | Rujia Liu | Dun Liang Yi Chen | |
| 11991 | Easy Problem from Rujia Liu? | Rujia Liu | Yiming Li | |
| 11992 | Fast Matrix Operations | Rujia Liu | Dun Liang Yeji Shen | |
| 11993 | Girls' Celebration | Rujia Liu | ||
| 11994 | Happy Painting! | Rujia Liu | Dun Liang | |
| 11995 | I Can Guess the Data Structure! | Rujia Liu | Yiming Li | |
| 11996 | Jewel Magic | Rujia Liu | Xinhao Yuan Yao Li | |
| 11997 | K Smallest Sums | Rujia Liu | Yiming Li | |
| 11998 | Rujia Liu loves Wario Land! | Rujia Liu | Erjin Zhou | |
| 11999 | Unlock | Tanaeem Md. Moosa | Derek Kisman | |
| 12000 | K-Transformed Permutations | Sohel Hafiz | Md. Mahbubul Hasan | |
| 12001 | UVa Panel Discussion | Miguel Revilla | Luis Hernández Corbato | |
| 12002 | Happy Birthday | Carlos M. Casas Cuadrado | Rujia Liu | |
| 12003 | Array Transformer | Rujia Liu | Jane Alam Jan | |
| 12004 | Bubble Sort | Jane Alam Jan | Sohel Hafiz | |
| 12005 | Find Solutions | Shahriar Manzoor | Jane Alam Jan | |
| 12006 | Paint Brush | Jane Alam Jan | Md. Arifuzzaman Arif | |
| 12007 | Crossboard Coloring | Abdullah-al-Mahmud (Satej) | Jane Alam Jan | |
| 12008 | Emotional Bishop | Md. Arifuzzaman Arif | Jane Alam Jan | |
| 12009 | Avaricious Maryanna | Guodong Feng | ||
| 12010 | Boring Homework | Guodong Feng Ji Hong | ||
| 12011 | Complete the Set | Aoxiang Cui | ||
| 12012 | Detection of Extraterrestrial | Guodong Feng | ||
| 12013 | Entertainment | Guodong Feng | ||
| 12014 | Fudan Extracurricular Lives | Ji Hong | ||
| 12015 | Google is Feeling Lucky | Lei Huang | ||
| 12016 | Herbicide | Ji Hong Zhan Yu | ||
| 12017 | Imitation | Guodong Feng Lei Huang | ||
| 12018 | Juice Extractor | Lei Huang | ||
| 12028 | A Gift from the Setter | Shamim Hafiz | Jane Alam Jan Sohel Hafiz | |
| 12029 | Flying Spaceships | Shahriar Rouf Nafi | Md. Mahbubul Hasan | |
| 12030 | Help the Winners | Jane Alam Jan Muntasir Azam Khan | Sohel Hafiz | |
| 12031 | Summation of Four Squares | Shahriar Manzoor | Jane Alam Jan | |
| 12032 | The Monkey and the Oiled Bamboo | Jane Alam Jan | Slavi Marinov | |
| 12033 | Game of CS | Jane Alam Jan | Md. Mahbubul Hasan | |
| 12034 | Race | Md. Mahbubul Hasan | Jane Alam Jan Shahriar Rouf Nafi Tanaeem Md. Moosa | |
| 12035 | War Map | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 12036 | Stable Grid | Sohel Hafiz | Jane Alam Jan | |
| 12037 | Musical Chair | Md. Mahbubul Hasan | Jane Alam Jan Shahriar Rouf Nafi | |
| 12038 | Batting Practice | Md. Towhidul Islam Talukder | Md. Arifuzzaman Arif | |
| 12039 | Goldbach's Cardinality | Shahriar Manzoor | Md. Mahbubul Hasan | |
| 12040 | Again Lucky Numbers | Shakil Ahmed | Anna Fariha | |
| 12041 | BFS (Binary Fibonacci String) | Md. Moshiur Rahman | Kazi Rakibul Hossain | |
| 12042 | Colorful Eggs | Anna Fariha | Md. Shiplu Hawlader | |
| 12043 | Divisors | Tanaeem Md. Moosa | Shakil Ahmed | |
| 12044 | Extreme Divisors | Tahseen Mohammad | Shakil Ahmed | |
| 12045 | Fun with Strings | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 12046 | Great Numbers | Monish Chakrabortty | Sohel Hafiz | |
| 12047 | Highest Paid Toll | Md. Shiplu Hawlader | Jane Alam Jan | |
| 12048 | Inhabitants | Jane Alam Jan | Anna Fariha | |
| 12049 | Just Prune The List | Md. Arifuzzaman Arif | Shamim Hafiz | |
| 12050 | Palindrome Numbers | Eric Schmidt | Shahriar Manzoor | |
| 12051 | Mazes in Higher Dimensions | Shahriar Manzoor | Derek Kisman | |
| 12052 | Cyber cafe | Mustaq Ahmed | Shahriar Manzoor | |
| 12053 | Unbreakable Floor | Rujia Liu | Shahriar Manzoor | |
| 12054 | Find the Project | Monirul Hasan | Derek Kisman | |
| 12055 | Strange Research | Shahriar Manzoor | ||
| 12056 | Circle Strafing | Derek Kisman | ||
| 12057 | Prefix Codes | Gordon V. Cormack | Monirul Hasan | |
| 12058 | Highway Monitor | Tarique Mesbaul Islam | Derek Kisman | |
| 12059 | Volume Measurement | Shahriar Manzoor | Derek Kisman | |
| 12060 | All Integer Average | Shahriar Manzoor | Monirul Hasan | |
| 12061 | Overlaying Maps | Alex Chertov | Shahriar Manzoor | |
| 12062 | Reverse Assignment | Shahriar Manzoor | Jimmy Mĺrdell Monirul Hasan | |
| 12063 | Zeros and Ones | Monirul Hasan | Jimmy Mĺrdell | |
| 12064 | Count the Points Inside | Shahriar Manzoor | Derek Kisman | |
| 12065 | Permutation Primes | Mohammad Sajjad Hossain | ||
| 12066 | The Fairy Tale of ICPC | Shahriar Manzoor | Derek Kisman | |
| 12067 | Guinea Rats | Monirul Hasan | ||
| 12068 | Harmonic Mean | Shahriar Manzoor | Syed Monowar Hossain | |
| 12069 | Robots inside the Labyrinth | Md. Kamruzzaman (KZaman) | Derek Kisman | |
| 12070 | Invite Your Friends | Syed Monowar Hossain | Md. Kamruzzaman (KZaman) | |
| 12071 | Understanding Recursion | Shahriar Manzoor | Derek Kisman | |
| 12072 | Matrissor | Md. Kamruzzaman (KZaman) | Derek Kisman | |
| 12073 | Altitude Triangle | Shahriar Manzoor | Derek Kisman | |
| 12074 | The Ultimate Bamboo Eater | Rujia Liu | ||
| 12075 | Counting Triangles | Shahriar Manzoor | Derek Kisman | |
| 12085 | Mobile Casanova | Shahriar Manzoor | Syed Monowar Hossain | |
| 12086 | Potentiometers | Joachim Wulff (Little Joey) | Shahriar Manzoor | |
| 12087 | Collecting Marbles | Abdullah-al-Mahmud (Satej) | Shahriar Manzoor | |
| 12088 | Expression | Shahriar Manzoor | Derek Kisman | |
| 12089 | The Luncheon | Shahriar Manzoor | Derek Kisman | |
| 12090 | Counting Zeroes | Shahriar Manzoor | Derek Kisman | |
| 12091 | Multiplication | Shahriar Manzoor | Derek Kisman | |
| 12092 | Paint the Roads | Abdullah-al-Mahmud (Satej) | Derek Kisman | |
| 12093 | Protecting Zonk | Joachim Wulff (Little Joey) | Abdullah-al-Mahmud (Satej) | |
| 12094 | Battle of the Triangle | Shahriar Manzoor | ||
| 12114 | Bachelor Arithmetic | Shahriar Manzoor Syed Monowar Hossain | Abdullah-al-Mahmud (Satej) | |
| 12115 | Nested Squares | Shahriar Manzoor | Abdullah-al-Mahmud (Satej) Syed Monowar Hossain | |
| 12116 | The Dumb Grocer | Abdullah-al-Mahmud (Satej) | Syed Monowar Hossain | |
| 12117 | ACM Puzzles | Shahriar Manzoor | Derek Kisman | |
| 12118 | Inspector's Dilemma | Mohammad Mahmudur Rahman | Abdullah-al-Mahmud (Satej) Syed Monowar Hossain | |
| 12119 | The Bells are Ringing | Shahriar Manzoor | Derek Kisman | |
| 12120 | Photographic Tour | Syed Monowar Hossain | Derek Kisman | |
| 12121 | You are around me ... | Shahriar Manzoor | Derek Kisman | |
| 12122 | Infinite Matrix | Abdullah-al-Mahmud (Satej) | Derek Kisman Manzurur Rahman Khan (Sidky) | |
| 12123 | Magnetic Train Tracks | Shahriar Manzoor | Derek Kisman | |
| 12134 | Find the Format String | Shahriar Manzoor | Md. Arifuzzaman Arif Sohel Hafiz | |
| 12135 | Switch Bulbs | Abdullah-al-Mahmud (Satej) | Md. Arifuzzaman Arif Shahriar Manzoor Sohel Hafiz | |
| 12136 | Schedule of a Married Man | Mohammad Mahmudur Rahman Shahriar Manzoor | Md. Arifuzzaman Arif Sohel Hafiz | |
| 12137 | Puzzles of Triangles | Shahriar Manzoor | Derek Kisman | |
| 12138 | Chemical Plant | Mohammad Mahmudur Rahman | Derek Kisman | |
| 12139 | Clicking Checkboxes | Shahriar Manzoor | Derek Kisman Md. Arifuzzaman Arif | |
| 12140 | Magic Rings | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 12141 | Line Chart | Md. Arifuzzaman Arif | Abdullah-al-Mahmud (Satej) Rujia Liu Sohel Hafiz | |
| 12142 | Mobile Tower | Abdullah-al-Mahmud (Satej) | Mohammad Mahmudur Rahman Rujia Liu | |
| 12143 | Stopping Doom's Day | Shahriar Manzoor | Derek Kisman | |
| 12155 | ASCII Diamondi | Shahriar Manzoor | Md. Arifuzzaman Arif Sohel Hafiz | |
| 12156 | Match Maker | Sohel Hafiz | Md. Arifuzzaman Arif Rujia Liu Shamim Hafiz | |
| 12157 | Tariff Plan | Sohel Hafiz | Rujia Liu Shamim Hafiz | |
| 12158 | Irreducible Fractions | Shahriar Manzoor | Derek Kisman Rujia Liu | |
| 12159 | Gun Fight | Mohammad Mahmudur Rahman | Rujia Liu Sohel Hafiz | |
| 12160 | Unlock the Lock | Syed Monowar Hossain | Shahriar Manzoor Sohel Hafiz | |
| 12161 | Ironman Race in Treeland | Rujia Liu | Derek Kisman | |
| 12162 | Shooting the Monster | Rujia Liu | Mohammad Mahmudur Rahman | |
| 12163 | Addition-Subtraction Game | Abdullah-al-Mahmud (Satej) | Rujia Liu | |
| 12164 | The Great Game | Derek Kisman | Rujia Liu | |
| 12165 | Triangle Hazard | Shahriar Manzoor | Derek Kisman Rujia Liu | |
| 12207 | That is Your Queue | Derek Kisman | Shahriar Manzoor | |
| 12208 | How Many Ones Needed? | Shahriar Manzoor | Sohel Hafiz | |
| 12209 | Foot Notes | Manzurur Rahman Khan (Sidky) | Md. Arifuzzaman Arif | |
| 12210 | A Match Making Problem | Shahriar Manzoor | Md. Arifuzzaman Arif Sohel Hafiz | |
| 12211 | Games of Block | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 12212 | Password Remembering | Md. Arifuzzaman Arif | Derek Kisman Manzurur Rahman Khan (Sidky) | |
| 12213 | Camera in the Museum | Shahriar Manzoor | Derek Kisman | |
| 12214 | Traffic Jam | Mohammad Mahmudur Rahman | Derek Kisman | |
| 12215 | Rectangle of Permutation | Abdullah-al-Mahmud (Satej) | Derek Kisman Mohammad Mahmudur Rahman | |
| 12216 | How Many bases? | Shahriar Manzoor | Derek Kisman | |
| 12217 | Integer Game | Abdullah-al-Mahmud (Satej) | Md. Arifuzzaman Arif | |
| 12249 | Overlapping Scenes | Shamim Hafiz | Shahriar Manzoor Sohel Hafiz | |
| 12250 | Language Detection | Shahriar Manzoor | Jane Alam Jan Sohel Hafiz | |
| 12251 | Scientefic Experiment | Tanaeem Md. Moosa | Jane Alam Jan Manzurur Rahman Khan (Sidky) | |
| 12252 | ABCD Tiles | Sohel Hafiz | Jane Alam Jan | |
| 12253 | Simple Encryption | Shahriar Manzoor | Derek Kisman | |
| 12254 | Electricity Connection | Jane Alam Jan | Derek Kisman | |
| 12255 | Underwater Snipers | Manzurur Rahman Khan (Sidky) | Jane Alam Jan | |
| 12256 | Making Quadrilaterals | Shahriar Manzoor | Manzurur Rahman Khan (Sidky) Md. Arifuzzaman Arif Sohel Hafiz | |
| 12257 | The Queue | Md. Arifuzzaman Arif | Jane Alam Jan | |
| 12258 | Air Pollution Problem | Shahriar Manzoor | Derek Kisman | |
| 12279 | Emoogle Balance | Mohammad Mahmudur Rahman | Manzurur Rahman Khan (Sidky) Shahriar Manzoor Sohel Hafiz | |
| 12280 | A Digital Satire of Digital Age | Shahriar Manzoor | Md. Arifuzzaman Arif Sohel Hafiz | |
| 12281 | Hyper Box | Abdullah-al-Mahmud (Satej) | Md. Arifuzzaman Arif | |
| 12282 | OmniGravity | Sohel Hafiz | Jane Alam Jan | |
| 12283 | Halloween Costumes | Manzurur Rahman Khan (Sidky) | Md. Arifuzzaman Arif | |
| 12284 | Digital Matrix | Md. Arifuzzaman Arif | Manzurur Rahman Khan (Sidky) Sohel Hafiz | |
| 12285 | Knockout Tournaments | Shahriar Manzoor | Derek Kisman | |
| 12286 | Optimal Store | Shahriar Manzoor | Derek Kisman | |
| 12287 | Network Flow | Mohammad Mahmudur Rahman | Jane Alam Jan | |
| 12288 | Hyper Knights | Jane Alam Jan | Manzurur Rahman Khan (Sidky) | |
| 12289 | One-Two-Three | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12290 | Counting Game | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12291 | Polyomino Composer | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12292 | Polyomino Decomposer | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12293 | Box Game | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12294 | RPG battles | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12295 | Optimal Symmetric Paths | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12296 | Pieces and Discs | Rujia Liu | Jane Alam Jan | |
| 12297 | Super Poker | Rujia Liu | Jane Alam Jan | |
| 12298 | Super Poker II | Rujia Liu | Jane Alam Jan | |
| 12299 | RMQ with Shifts | Rujia Liu | Jane Alam Jan Yiming Li | |
| 12300 | Smallest Regular Polygon | Rujia Liu | Yiming Li | |
| 12301 | An Angular Puzzle | Rujia Liu | Yiming Li | |
| 12302 | Nine-Point Circle | Rujia Liu | Yiming Li | |
| 12303 | Composite Transformations | Rujia Liu | Dun Liang | |
| 12304 | 2D Geometry 110 in 1! | Rujia Liu | Di Tang Yi Chen | |
| 12305 | Polishing a Extruded Polygon | Rujia Liu | Dun Liang | |
| 12306 | My SketchUp | Rujia Liu | Dun Liang | |
| 12307 | Smallest Enclosing Rectangle | Rujia Liu | Dun Liang | |
| 12308 | Smallest Enclosing Box | Rujia Liu | Dun Liang Yeji Shen | |
| 12309 | A Strange Opera House II | Rujia Liu | Dun Liang | |
| 12310 | Point Location | Rujia Liu | Dun Liang Yeji Shen | |
| 12311 | All-Pair Farthest Points | Rujia Liu | Dun Liang Yeji Shen | |
| 12312 | Bounding Volume Hierarchy | Rujia Liu | Dun Liang | |
| 12313 | A Tiny Raytracer | Rujia Liu | Dun Liang | |
| 12314 | The Cleaning Robot | Rujia Liu | Dun Liang | |
| 12335 | Lexicographic Order | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 12336 | Knights in the Zombie Land | Md. Mahbubul Hasan | Jane Alam Jan | |
| 12337 | Bob's Beautiful Balls | Sohel Hafiz | Jane Alam Jan | |
| 12338 | Anti-Rhyme Pairs | Muntasir Azam Khan | Jane Alam Jan Kazi Rakibul Hossain Sabbir Yousuf Sanny | |
| 12339 | Help Hermione | Anindya Das | Sabbir Yousuf Sanny | |
| 12340 | Integer Grouping | Sabbir Yousuf Sanny | Md. Mahbubul Hasan | |
| 12341 | Next to Never | Shahriar Manzoor | Derek Kisman | |
| 12342 | Tax Calculator | Md. Towhidul Islam Talukder | Jane Alam Jan | |
| 12343 | Strange Simulation | Jane Alam Jan | Kazi Rakibul Hossain | |
| 12346 | Water Gate Management | Seksun Suwanmanee | ||
| 12347 | Binary Search Tree | Seksun Suwanmanee | ||
| 12348 | Fun Coloring | Sanpawat Kantabutra | ||
| 12349 | Twin Apparent Primes!! | Shahriar Manzoor | Derek Kisman | |
| 12350 | Queen Game | Abdullah-al-Mahmud (Satej) | Jane Alam Jan | |
| 12351 | Spelling Suggestion | Chalathip Thumkanon | ||
| 12352 | Coalescing Continents | Sohel Hafiz | Md. Arifuzzaman Arif | |
| 12353 | Fence Making | Shahriar Manzoor | Derek Kisman Jane Alam Jan | |
| 12354 | Paths in a Tree | Jane Alam Jan | Derek Kisman | |
| 12355 | Consecutive Sums | Shahriar Manzoor | Derek Kisman | |
| 12367 | Binary Matrix | Md. Arifuzzaman Arif | Jane Alam Jan Md. Mahbubul Hasan | |
| 12368 | Candles | Shahriar Manzoor | Jane Alam Jan Sohel Hafiz | |
| 12369 | Cards | Sohel Hafiz | Jane Alam Jan Md. Mahbubul Hasan | |
| 12370 | Game of Connect | Abdullah-al-Mahmud (Satej) | Md. Mahbubul Hasan | |
| 12371 | Guards | Jane Alam Jan | Md. Arifuzzaman Arif | |
| 12372 | Packing for Holiday | Md. Arifuzzaman Arif | Jane Alam Jan Sohel Hafiz | |
| 12373 | Pair of Touching Circles | Md. Towhidul Islam Talukder | Jane Alam Jan Md. Arifuzzaman Arif | |
| 12374 | Treasure Hunt | Shahriar Manzoor | Rujia Liu | |
| 12375 | Truchet Tiling | Monirul Hasan | Jane Alam Jan | |
| 12376 | As Long as I Learn, I Live | Jane Alam Jan | Md. Arifuzzaman Arif Md. Towhidul Islam Talukder |