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Problemsetters' Credits
Credits to
Check your contributions and report us any kind of mistakes or missing credits
| Problem | Title | Problemsetter | Tests-Setter | Special Thanks |
|---|---|---|---|---|
| 219 | Department of Redundancy Department | |||
| 254 | Towers of Hanoi | |||
| 364 | Constitutional Computing | |||
| 479 | Irrigation Flow Rates | |||
| 480 | Tempus Fugit | |||
| 513 | Window Frames | |||
| 522 | Schedule Problem | |||
| 528 | The Problem of Train Setout | |||
| 541 | Error Correction | |||
| 582 | Randomly Wired Neural Nets | |||
| 597 | Last Name First, Please | |||
| 607 | Scheduling Lectures | |||
| 649 | You Who? | |||
| 701 | The Archeologists' Dilemma | |||
| 702 | The Vindictive Coach | |||
| 703 | Triple Ties: The Organizer's Nightmare | |||
| 704 | Colour Hash | |||
| 717 | Calculating Expressions on Turing Machine | |||
| 761 | Transform those strings | |||
| 770 | Puncher | |||
| 772 | Divide et unita | |||
| 773 | The JustaPox Language | |||
| 774 | Driving in City Squares | |||
| 775 | Hamiltonian Cycle | |||
| 778 | Recording a tape | |||
| 779 | Wily Hacker's Problem | |||
| 780 | Sentence Generator | |||
| 781 | Optimisation | |||
| 788 | One Day Tours | |||
| 789 | Indexing | |||
| 791 | Term Reductions | |||
| 792 | Program Modules | |||
| 824 | Coast Tracker | |||
| 825 | Walking on the Safe Side | |||
| 826 | Symbolic Numerical System | |||
| 827 | Buddy Memory Allocator | |||
| 828 | Deciphering Messages | |||
| 829 | Almost Balanced Trees | |||
| 830 | Shark | |||
| 831 | Document Validator | |||
| 832 | Financial Risk | |||
| 833 | Water Falls | |||
| 834 | Continued Fractions | |||
| 835 | Square of Primes | |||
| 836 | Largest Submatrix | |||
| 837 | Light and Transparencies | |||
| 838 | Worm World | |||
| 839 | Not so Mobile | |||
| 840 | Deadlock Detection | |||
| 841 | Snake | |||
| 842 | Crossword Puzzles | |||
| 843 | Crypt Kicker | |||
| 844 | Pousse | |||
| 845 | Gas Station Numbers | |||
| 846 | Steps | |||
| 848 | Fmt | |||
| 850 | Crypt Kicker II | |||
| 851 | Maze | |||
| 852 | Deciding victory in Go | |||
| 853 | DVD Subtitles | |||
| 854 | Worse Code | |||
| 855 | Lunch in Grid City | |||
| 856 | The Vigenère Cipher | |||
| 857 | Quantiser | |||
| 858 | Berry Picking | |||
| 859 | Chinese Checkers | |||
| 860 | Entropy Text Analyzer | |||
| 861 | Little Bishops | |||
| 867 | Storing Images in a Sequence | |||
| 871 | Counting Cells in a Blob | |||
| 872 | Ordering | |||
| 875 | Monopoly | |||
| 876 | Balanced Expressions | |||
| 881 | Points, Polygons and Containers | |||
| 883 | Overlapping Rectangles | |||
| 889 | Islands | |||
| 890 | Maze (II) | |||
| 894 | Juggling Trams | |||
| 900 | Brick Wall Patterns | |||
| 901 | From Databases to XML | |||
| 902 | Password Search | |||
| 903 | Spiral of Numbers | |||
| 904 | Overlapping Air Traffic Control Zones | |||
| 905 | Tacos Panchita | |||
| 906 | Rational Neighbor | |||
| 907 | Winterim Backpacking Trip | |||
| 908 | Re-connecting Computer Sites | |||
| 909 | The BitPack Data Compression Problem | |||
| 910 | TV game | |||
| 911 | Multinomial Coefficients | |||
| 912 | Live From Mars | |||
| 913 | Joana and the Odd Numbers | |||
| 914 | Jumping Champion | |||
| 915 | Stack of Cylinders | |||
| 916 | Dividing Land | |||
| 917 | Euro 2004 | |||
| 918 | ASCII Mandelbrot | |||
| 919 | Cutting Polyominoes | |||
| 920 | Sunny Mountains | |||
| 921 | A Word Puzzle in the Sunny Mountains | |||
| 922 | Rectangle by the Ocean | |||
| 923 | One Against Many | |||
| 924 | Spreading The News | |||
| 925 | No more prerequisites, please! | |||
| 926 | Walking Around Wisely | |||
| 927 | Integer Sequences from Addition of Terms | |||
| 928 | Eternal Truths | |||
| 930 | Polynomial Roots | |||
| 932 | Checking the N-Queens Problem | |||
| 933 | Water Flow | |||
| 934 | Overlapping Areas | |||
| 935 | Smart Strategy | |||
| 936 | Mars for Sale | |||
| 937 | Kriss Kross Puzzle | |||
| 938 | Gilix | |||
| 940 | Autobiographical Numbers | |||
| 942 | Cyclic Numbers | |||
| 943 | Number Format Translator | |||
| 944 | Happy Numbers | |||
| 945 | Loading a Cargo Ship | |||
| 963 | Spelling Corrector | |||
| 965 | Police Road Blocks | |||
| 966 | Lost Inheritances | |||
| 967 | Circular | |||
| 968 | Constellations | |||
| 971 | Towers | |||
| 974 | Kaprekar Numbers | |||
| 979 | The Abominable Triangleman | |||
| 980 | X-Express | |||
| 981 | Systematic Cyclic Redundancy Check Codes | |||
| 982 | Cube | |||
| 983 | Localized Summing for Blurring | |||
| 984 | Finding Haplotypes | |||
| 985 | Round and Round Maze | |||
| 986 | How Many? | |||
| 987 | Maternity | |||
| 994 | POP | |||
| 998 | Dendogram | |||
| 999 | Book signatures | |||
| 1139 | Stormy Versailles | |||
| 1140 | Charles Frédéric Gros | |||
| 1141 | Count wireless Links | |||
| 1142 | Fighting the Heat | |||
| 1143 | Fighting the Heat II | |||
| 1144 | Find the Walls | |||
| 1145 | War | |||
| 1176 | A Benevolent Josephus | |||
| 1177 | A General Recurrence Relation | |||
| 1178 | The Juice Shop | |||
| 1179 | Minimal Cover of Prime Implicants | |||
| 1180 | Perfect Numbers | |||
| 1181 | Rubik's Cube | |||
| 1182 | Sequence Alignment | |||
| 1183 | Turn All the Lights Off | |||
| 1192 | Searching Sequence Database in Molecular Biology | |||
| 1266 | Magic Square | |||
| 1270 | Paint the Map | |||
| 1271 | Bangle | |||
| 1272 | Circle Network | |||
| 1273 | Weiqi | |||
| 1274 | Color Ropes | |||
| 1275 | The Revolution of the Ants | |||
| 1276 | Game Fan | |||
| 1277 | How Many Days Are There | |||
| 1278 | Princess and Hero | |||
| 1306 | The K-League | |||
| 1336 | Fixing the Great Wall | |||
| 1370 | Roommate | |||
| 1371 | Period | |||
| 1372 | Log Jumping | |||
| 1473 | Dome of Circus | |||
| 1474 | Evacuation Plan | |||
| 1520 | Flights | |||
| 1533 | Moving Pegs | |||
| 1536 | Coins | |||
| 1561 | Cycle Game | |||
| 1618 | Weak Key | |||
| 1643 | Angle and Squares | |||
| 1656 | Exponential Towers | |||
| 1663 | Purifying Machine | |||
| 1688 | Roof | |||
| 1689 | International Event | |||
| 10008 | What's Cryptanalysis? | |||
| 10009 | All Roads Lead Where? | |||
| 10010 | Where's Waldorf? | |||
| 10011 | Where Can You Hide? | |||
| 10012 | How Big Is It? | |||
| 10013 | Super long sums | |||
| 10014 | Simple calculations | |||
| 10020 | Minimal coverage | |||
| 10021 | Cube in the labirint | |||
| 10022 | Delta-wave | |||
| 10023 | Square root | |||
| 10024 | Curling up the cube | |||
| 10025 | The ? 1 ? 2 ? ... ? n = k problem | |||
| 10026 | Shoemaker's Problem | |||
| 10027 | Language Cardinality | |||
| 10028 | Demerit Points | |||
| 10029 | Edit Step Ladders | |||
| 10031 | Saskatchewan | |||
| 10032 | Tug of War | |||
| 10033 | Interpreter | |||
| 10034 | Freckles | |||
| 10035 | Primary Arithmetic | |||
| 10037 | Bridge | |||
| 10040 | Ouroboros Snake | |||
| 10041 | Vito's Family | |||
| 10047 | The Monocycle | |||
| 10048 | Audiophobia | |||
| 10049 | Self-describing Sequence | |||
| 10050 | Hartals | |||
| 10051 | Tower of Cubes | |||
| 10052 | Inviting Politicians | |||
| 10053 | Envelopes | |||
| 10054 | The Necklace | |||
| 10055 | Hashmat the Brave Warrior | |||
| 10056 | What is the Probability ? | |||
| 10058 | Jimmi's Riddles | |||
| 10059 | The Hazard of CSE Department! | |||
| 10060 | A hole to catch a man | |||
| 10061 | How many zero's and how many digits ? | |||
| 10062 | Tell me the frequencies! | |||
| 10063 | Knuth's Permutation | |||
| 10065 | Useless Tile Packers | |||
| 10066 | The Twin Towers | |||
| 10067 | Playing with Wheels | |||
| 10068 | The Treasure Hunt | |||
| 10069 | Distinct Subsequences | |||
| 10070 | Leap Year or Not Leap Year and ... | |||
| 10071 | Back to High School Physics | |||
| 10072 | Bob Laptop Woolmer and Eddie Desktop Barlow | |||
| 10073 | Constrained Exchange Sort | |||
| 10074 | Take the Land | |||
| 10075 | Airlines | |||
| 10076 | The Bumpy Robot | |||
| 10077 | The Stern-Brocot Number System | |||
| 10078 | The Art Gallery | |||
| 10079 | Pizza Cutting | |||
| 10080 | Gopher II | |||
| 10081 | Tight Words | |||
| 10082 | WERTYU | |||
| 10083 | Division | |||
| 10084 | Hotter Colder | |||
| 10085 | The most distant state | |||
| 10086 | Test the Rods | |||
| 10087 | The Tajmahal of ++Y2k | |||
| 10088 | Trees on My Island | |||
| 10089 | Repackaging | |||
| 10090 | Marbles | |||
| 10091 | The Valentine's Day | |||
| 10092 | The Problem with the Problem Setter | |||
| 10093 | An Easy Problem! | |||
| 10094 | Place the Guards | |||
| 10095 | Saving the Planet | |||
| 10096 | The Richest Man of the Universe | |||
| 10097 | The Color Game | |||
| 10098 | Generating Fast | |||
| 10099 | The Tourist Guide | |||
| 10100 | Longest Match | |||
| 10101 | Bangla Numbers | |||
| 10102 | The path in the colored field | |||
| 10103 | Karpovich blocks | |||
| 10104 | Euclid Problem | |||
| 10105 | Polynomial Coefficients | |||
| 10106 | Product | |||
| 10107 | What is the Median? | |||
| 10108 | The Mosquito Killer Mosquitos | |||
| 10109 | Solving Systems of Linear Equations | |||
| 10110 | Light, more light | |||
| 10117 | Nice Milk | |||
| 10118 | Free Candies | |||
| 10119 | Farewell, my friend | |||
| 10120 | Gift?! | |||
| 10121 | Legendary Pokemon | |||
| 10122 | Mysterious Mountain | |||
| 10124 | Subway | |||
| 10125 | Sumsets | |||
| 10126 | Zipf's Law | |||
| 10127 | Ones | |||
| 10128 | Queue | |||
| 10129 | Play on Words | |||
| 10130 | SuperSale | |||
| 10131 | Is Bigger Smarter? | |||
| 10132 | File Fragmentation | |||
| 10133 | Audubon's Stormy Arctic Trip | |||
| 10134 | AutoFish | |||
| 10135 | Herding Frosh | |||
| 10136 | Chocolate Chip Cookies | |||
| 10137 | The Trip | |||
| 10138 | CDVII | |||
| 10139 | Factovisors | |||
| 10140 | Prime Distance | |||
| 10141 | Request for Proposal | |||
| 10142 | Australian Voting | |||
| 10149 | Yahtzee | |||
| 10150 | Doublets | |||
| 10151 | Spaghetti | |||
| 10152 | ShellSort | |||
| 10153 | New Horizons | |||
| 10154 | Weights and Measures | |||
| 10155 | Green Eggs and Ham | |||
| 10156 | Sala-ma-Sond, A Nice Little Pond | |||
| 10157 | Expressions | |||
| 10158 | War | |||
| 10159 | Star | |||
| 10160 | Servicing Stations | |||
| 10168 | Summation of Four Primes | |||
| 10169 | Urn-ball Probabilities! | |||
| 10170 | The Hotel with Infinite Rooms | |||
| 10171 | Meeting Prof. Miguel... | |||
| 10172 | The Lonesome Cargo Distributor | |||
| 10173 | Smallest Bounding Rectangle | |||
| 10174 | Couple-Bachelor-Spinster Numbers. | |||
| 10175 | Sphere | |||
| 10176 | Ocean Deep! - Make it shallow!! | |||
| 10177 | (2/3/4)-D Sqr/Rects/Cubes/Boxes? | |||
| 10178 | Count the Faces. | |||
| 10179 | Irreducable Basic Fractions | |||
| 10180 | Rope Crisis in Ropeland! | |||
| 10181 | 15-Puzzle Problem | |||
| 10201 | Adventures in Moving - Part IV | |||
| 10202 | Pairsumonious Numbers | |||
| 10203 | Snow Clearing | |||
| 10204 | Adventures in Moving - Part V | |||
| 10205 | Stack 'em Up | |||
| 10207 | The Unreal Tournament | |||
| 10208 | Liar or Not Liar that is the... | |||
| 10209 | Is This Integration ? | |||
| 10210 | Romeo and Juliet ! | |||
| 10211 | Divisibility Testing! Wow! | |||
| 10212 | The Last Non-zero Digit. | |||
| 10213 | How Many Pieces of Land ? | |||
| 10215 | The Largest/Smallest Box ... | |||
| 10216 | The Optimal Coffee Shop!! | |||
| 10217 | A Dinner with Schwarzenegger!!! | |||
| 10218 | Let's Dance !!! | |||
| 10219 | Find the ways ! | |||
| 10220 | I Love Big Numbers ! | |||
| 10221 | Satellites | |||
| 10222 | Decode the Mad man | |||
| 10223 | How many nodes ? | |||
| 10224 | Return of the Jedi | |||
| 10225 | Discrete Logging | |||
| 10226 | Hardwood Species | |||
| 10227 | Forests | |||
| 10228 | A Star not a Tree? | |||
| 10229 | Modular Fibonacci | |||
| 10230 | Savage Garden | |||
| 10231 | Matrix World | |||
| 10232 | Bit-wise Sequence | |||
| 10233 | Dermuba Triangle | |||
| 10234 | Frequent Substrings | |||
| 10235 | Simply Emirp | |||
| 10236 | The Fibonacci Primes | |||
| 10237 | Bishops | |||
| 10238 | Throw the Dice | |||
| 10239 | The Book-shelver's Problem | |||
| 10240 | The n-Dimensional Cities | |||
| 10241 | Semi-triangular and also Square | |||
| 10243 | Fire! Fire!! Fire!!! | |||
| 10244 | First Love !!! | |||
| 10245 | The Closest Pair Problem | |||
| 10246 | Asterix and Obelix | |||
| 10247 | Complete Tree Labeling | |||
| 10248 | The Integer All-time Champ | |||
| 10249 | The Grand Dinner | |||
| 10250 | The Other Two Trees | |||
| 10251 | Min-Max Cake | |||
| 10253 | Series-Parallel Networks | |||
| 10254 | The Priest Mathematician | |||
| 10255 | The knight's Tour | |||
| 10256 | The Great Divide | |||
| 10257 | Dick and Jane | |||
| 10258 | Contest Scoreboard | |||
| 10259 | Hippity Hopscotch | |||
| 10260 | Soundex | |||
| 10261 | Ferry Loading | |||
| 10262 | Suffidromes | |||
| 10263 | Railway | |||
| 10264 | The Most Potent Corner | |||
| 10265 | Toroidal Chess Queens' Problem | |||
| 10266 | Surveying | |||
| 10267 | Graphical Editor | |||
| 10268 | 498-bis | |||
| 10269 | Adventure of Super Mario | |||
| 10270 | Bigger Square Please... | |||
| 10271 | Chopsticks | |||
| 10272 | DDR King | |||
| 10273 | Eat or Not to Eat? | |||
| 10274 | Fans and Gems | |||
| 10275 | Guess the Number! | |||
| 10276 | Hanoi Tower Troubles Again! | |||
| 10277 | Boastin' Red Socks | |||
| 10278 | Fire Station | |||
| 10279 | Mine Sweeper | |||
| 10280 | Old Wine Into New Bottles | |||
| 10281 | Average Speed | |||
| 10282 | Babelfish | |||
| 10283 | The Kissing Circles | |||
| 10285 | Longest Run on a Snowboard | |||
| 10286 | Trouble with a Pentagon | |||
| 10287 | Gifts in a Hexagonal Box | |||
| 10289 | A Square and Equilateral Triangles | |||
| 10290 | {Sum+=i++} to Reach N | |||
| 10294 | Arif in Dhaka (First Love Part 2) | |||
| 10295 | Hay Points | |||
| 10296 | Jogging Trails | |||
| 10297 | Beavergnaw | |||
| 10298 | Power Strings | |||
| 10299 | Relatives | |||
| 10300 | Ecological Premium | |||
| 10302 | Summation of Polynomials | |||
| 10303 | How Many Trees? | |||
| 10304 | Optimal Binary Search Tree | |||
| 10305 | Ordering Tasks | |||
| 10309 | Turn the Lights Off | |||
| 10310 | Dog and Gopher | |||
| 10311 | Goldbach and Euler | |||
| 10312 | Expression Bracketing | |||
| 10313 | Pay the Price | |||
| 10314 | Three Pigs | |||
| 10315 | Poker Hands | |||
| 10316 | Airline Hub | |||
| 10317 | Equating Equations | |||
| 10320 | Cow Trouble! Help Please!! | |||
| 10322 | The Four in One Stadium | |||
| 10323 | Factorial! You Must be Kidding!!! | |||
| 10325 | The Lottery | |||
| 10326 | The Polynomial Equation | |||
| 10327 | Flip Sort | |||
| 10328 | Coin Toss | |||
| 10329 | Combinatorial Expression | |||
| 10330 | Power Transmission | |||
| 10331 | The Flyover Construction | |||
| 10332 | The Absent Minded Professor | |||
| 10333 | The Tower of ASCII | |||
| 10334 | Ray Through Glasses | |||
| 10335 | Ray Inside a Polygon | |||
| 10336 | Rank the Languages | |||
| 10337 | Flight Planner | |||
| 10341 | Solve It | |||
| 10342 | Always Late | |||
| 10343 | Base64 Decoding | |||
| 10344 | 23 out of 5 | |||
| 10345 | Cricket/Football Goes Down | |||
| 10347 | Medians | |||
| 10350 | Liftless EME | |||
| 10351 | Cutting Diamonds | |||
| 10352 | Count the eWords | |||
| 10353 | Circles in Hexagon :-) | |||
| 10354 | Avoiding Your Boss | |||
| 10355 | Superman | |||
| 10356 | Rough Roads | |||
| 10357 | Playball !!! | |||
| 10358 | Matrix | |||
| 10362 | Trains | |||
| 10363 | Tic Tac Toe | |||
| 10364 | Square | |||
| 10365 | Blocks | |||
| 10366 | Faucet Flow | |||
| 10367 | Equations | |||
| 10368 | Euclid's Game | |||
| 10369 | Arctic Network | |||
| 10370 | Above Average | |||
| 10371 | Time Zones | |||
| 10372 | Leaps Tall Buildings (in a single bound) | |||
| 10373 | The Brick Stops Here | |||
| 10374 | Election | |||
| 10375 | Choose and divide | |||
| 10376 | Snakes | |||
| 10377 | Maze Traversal | |||
| 10378 | Complex Numbers | |||
| 10379 | Pit Stop Strategy | |||
| 10380 | Shogi Tournament | |||
| 10381 | The Rock | |||
| 10382 | Watering Grass | |||
| 10383 | Queen vs Rook | |||
| 10384 | The Wall Pushers | |||
| 10385 | Duathlon | |||
| 10386 | Circles in Triangle | |||
| 10387 | Billiard | |||
| 10388 | Snap | |||
| 10389 | Subway | |||
| 10390 | Bean Counting | |||
| 10391 | Compound Words | |||
| 10392 | Factoring Large Numbers | |||
| 10393 | The One-Handed Typist | |||
| 10394 | Twin Primes | |||
| 10395 | Titans in Danger | |||
| 10396 | Vampire Numbers | |||
| 10397 | Connect the Campus | |||
| 10398 | The Golden Pentagon | |||
| 10399 | Optimus Prime | |||
| 10400 | Game Show Math | |||
| 10401 | Injured Queen Problem | |||
| 10402 | Triangle Covering | |||
| 10403 | Escape from Tut's Tomb | |||
| 10404 | Bachet's Game | |||
| 10405 | Longest Common Subsequence | |||
| 10406 | Cutting tabletops | |||
| 10407 | Simple division | |||
| 10408 | Farey sequences | |||
| 10410 | Tree Reconstruction | |||
| 10411 | Another Game of Tetris | |||
| 10412 | Big Big Trees | |||
| 10413 | Crazy Savages | |||
| 10414 | Denki Blocks | |||
| 10415 | Eb Alto Saxophone Player | |||
| 10416 | Folding My T-Shirt | |||
| 10417 | Gift Exchanging | |||
| 10418 | Hyper Toy Soldiers | |||
| 10419 | Sum-up the Primes | |||
| 10420 | List of Conquests | |||
| 10421 | Critical Wave | |||
| 10422 | Knights in FEN | |||
| 10423 | Peter Takes a Tramway | |||
| 10424 | Love Calculator | |||
| 10425 | Mobile Destroyer | |||
| 10426 | Knights' Nightmare | |||
| 10427 | Naughty Sleepy Boys | |||
| 10428 | The Roots | |||
| 10429 | Mohr's Circle | |||
| 10430 | Dear GOD | |||
| 10431 | Normal Distribution | |||
| 10432 | Polygon Inside A Circle | |||
| 10433 | Automorphic Numbers | |||
| 10434 | Working With Specific Gravity | |||
| 10435 | Compare Directories | |||
| 10436 | Cheapest way | |||
| 10437 | Playing With Fraction | |||
| 10438 | Meta Editor | |||
| 10444 | Multi-peg Towers of Hanoi | |||
| 10445 | Make Polygon | |||
| 10446 | The Marriage Interview :-) | |||
| 10447 | Sum-up the Primes (II) | |||
| 10448 | Unique World | |||
| 10449 | Traffic | |||
| 10451 | Ancient Village Sports | |||
| 10452 | Marcus | |||
| 10453 | Make Palindrome | |||
| 10454 | Trexpression | |||
| 10455 | Gray Code | |||
| 10456 | Intelligent Cats | |||
| 10457 | Magic Car | |||
| 10458 | Cricket Ranking | |||
| 10459 | The Tree Root | |||
| 10460 | Find the Permuted String | |||
| 10461 | Difference | |||
| 10462 | Is There A Second Way Left? | |||
| 10463 | Aztec Knights | |||
| 10464 | Big Big Real Numbers | |||
| 10465 | Homer Simpson | |||
| 10466 | How Far? | |||
| 10467 | Parse Tree | |||
| 10468 | Rigid Circle Packing | |||
| 10469 | To Carry or not to Carry | |||
| 10470 | Shifted Coefficient Number System | |||
| 10471 | Can't be too GREEDY | |||
| 10472 | Fastest Vs Cheapest | |||
| 10473 | Simple Base Conversion | |||
| 10474 | Where is the Marble? | |||
| 10475 | Help the Leaders | |||
| 10476 | Spam or Not Spam | |||
| 10477 | The Hybrid Knight | |||
| 10478 | The Falling Pillars | |||
| 10479 | The Hendrie Sequence | |||
| 10480 | Sabotage | |||
| 10481 | The Gift Wrappers of Hollywood | |||
| 10482 | The Candyman Can | |||
| 10483 | The Sum Equals the Product | |||
| 10484 | Divisibility of Factors | |||
| 10485 | Painting with CSE | |||
| 10487 | Closest Sums | |||
| 10489 | Boxes of Chocolates | |||
| 10490 | Mr. Azad and his Son!!!!! | |||
| 10491 | Cows and Cars | |||
| 10492 | Optimal Mastermind Strategy | |||
| 10493 | Cats, with or without Hats | |||
| 10494 | If We Were a Child Again | |||
| 10495 | Conic Distance | |||
| 10497 | Sweet Child Makes Trouble | |||
| 10498 | Happiness | |||
| 10499 | The Land of Justice | |||
| 10509 | R U Kidding Mr. Feynman? | |||
| 10510 | Cactus | |||
| 10511 | Councilling | |||
| 10512 | A Day in Math-land | |||
| 10513 | Bangladesh Sequences | |||
| 10514 | River Crossing | |||
| 10515 | Powers Et Al. | |||
| 10516 | Another Counting Problem | |||
| 10517 | Wind of Change! | |||
| 10518 | How Many Calls? | |||
| 10519 | !! Really Strange !! | |||
| 10520 | Determine it | |||
| 10521 | Continuously Growing Fractions | |||
| 10522 | Height to Area | |||
| 10523 | Very Easy !!! | |||
| 10524 | Matrix Reloaded | |||
| 10525 | New to Bangladesh? | |||
| 10526 | Intellectual Property | |||
| 10527 | Persistent Numbers | |||
| 10528 | Major Scales | |||
| 10529 | Dumb Bones | |||
| 10530 | Guessing Game | |||
| 10531 | Maze Statistics | |||
| 10532 | Combination! Once Again | |||
| 10533 | Digit Primes | |||
| 10534 | Wavio Sequence | |||
| 10535 | Shooter | |||
| 10536 | Game of Euler | |||
| 10537 | The Toll! Revisited | |||
| 10538 | Powerful Magic Squares | |||
| 10539 | Almost Prime Numbers | |||
| 10540 | Flowers of a Beautiful Mind | |||
| 10541 | Stripe | |||
| 10542 | Hyper-drive | |||
| 10543 | Traveling Politician | |||
| 10544 | Numbering the Paths | |||
| 10545 | Maximal Quadrilateral | |||
| 10546 | The Eagle's Nest | |||
| 10547 | Hidden Truth in Recurrence | |||
| 10548 | Find the Right Changes | |||
| 10550 | Combination Lock | |||
| 10551 | Basic Remains | |||
| 10552 | Genealogical Research | |||
| 10553 | Treasure Map | |||
| 10554 | Calories from Fat | |||
| 10555 | Dead Fraction | |||
| 10556 | Biometrics | |||
| 10557 | XYZZY | |||
| 10558 | A Brief Gerrymander | |||
| 10559 | Blocks | |||
| 10560 | Minimum Weight | |||
| 10561 | Treblecross | |||
| 10562 | Undraw the Trees | |||
| 10563 | Least Squares | |||
| 10564 | Paths through the Hourglass | |||
| 10565 | Matrix | |||
| 10566 | Crossed Ladders | |||
| 10567 | Helping Fill Bates | |||
| 10568 | n Group k | |||
| 10569 | Number Theory | |||
| 10570 | Meeting with Aliens | |||
| 10571 | Products | |||
| 10572 | Black & White | |||
| 10573 | Geometry Paradox | |||
| 10574 | Counting Rectangles | |||
| 10581 | Partitioning for fun and profit | |||
| 10582 | ASCII Labyrinth | |||
| 10583 | Ubiquitous Religions | |||
| 10584 | Text Formalization | |||
| 10585 | Center of symmetry | |||
| 10586 | Polynomial Remains | |||
| 10587 | Mayor's posters | |||
| 10588 | Queuing at the doctors | |||
| 10589 | Area | |||
| 10590 | Boxes of Chocolates Again | |||
| 10591 | Happy Number | |||
| 10592 | Freedom Fighter | |||
| 10593 | Kites | |||
| 10594 | Data Flow | |||
| 10595 | Knight on the Bee Board | |||
| 10596 | Morning Walk | |||
| 10597 | Right Words | |||
| 10598 | Find the Latitude | |||
| 10599 | Robots(II) | |||
| 10600 | ACM Contest and Blackout | |||
| 10601 | Cubes | |||
| 10602 | Editor Nottoobad | |||
| 10603 | Fill | |||
| 10604 | Chemical Reaction | |||
| 10605 | Mines For Diamonds | |||
| 10606 | Opening Doors | |||
| 10607 | Siege | |||
| 10608 | Friends | |||
| 10609 | Fractal | |||
| 10610 | Gopher and Hawks | |||
| 10611 | The Playboy Chimp | |||
| 10612 | Paper Folding | |||
| 10613 | Mushroom Misery | |||
| 10614 | Dreadful Vectors | |||
| 10615 | Rooks | |||
| 10616 | Divisible Group Sums | |||
| 10618 | Tango Tango Insurrection | |||
| 10619 | Advanced Causal Measurements | |||
| 10620 | A Flea on a Chessboard | |||
| 10621 | Jack and Jill | |||
| 10622 | Perfect P-th Powers | |||
| 10623 | Thinking Backward | |||
| 10624 | Super Number | |||
| 10625 | GNU = GNU'sNotUnix | |||
| 10626 | Buying Coke | |||
| 10627 | Infinite Race | |||
| 10628 | Quadrills | |||
| 10629 | Truckin' | |||
| 10630 | Millennium Ceremony | |||
| 10631 | Normals | |||
| 10632 | Pyramid | |||
| 10633 | Rare Easy Problem | |||
| 10634 | Say NO to Memorization | |||
| 10635 | Prince and Princess | |||
| 10636 | Stretching Geometry | |||
| 10637 | Coprimes | |||
| 10638 | The Trip II | |||
| 10639 | Square Puzzle | |||
| 10640 | Planes around the World | |||
| 10641 | Barisal Stadium | |||
| 10642 | Can You Solve It? | |||
| 10643 | Facing Problem With Trees | |||
| 10644 | Floor Tiles | |||
| 10645 | Menu | |||
| 10646 | What is the Card? | |||
| 10647 | Optimal House Placement | |||
| 10648 | Chocolate Box | |||
| 10649 | Danger Point | |||
| 10650 | Determinate Prime | |||
| 10653 | Bombs! NO they are Mines!! | |||
| 10655 | Contemplation! Algebra | |||
| 10656 | Maximum Sum (II) | |||
| 10657 | Prince Frog II | |||
| 10658 | ReArrange | |||
| 10668 | Expanding Rods | |||
| 10669 | Three powers | |||
| 10670 | Work Reduction | |||
| 10671 | Grid Speed | |||
| 10672 | Marbles on a tree | |||
| 10673 | Play with Floor and Ceil | |||
| 10674 | Tangents | |||
| 10675 | Revenge of Faucet Flow | |||
| 10676 | Grid Points | |||
| 10677 | Base Equality | |||
| 10678 | The Grazing Cow | |||
| 10679 | I Love Strings!! | |||
| 10680 | LCM | |||
| 10681 | Teobaldo's Trip | |||
| 10682 | Forr | |||
| 10683 | The decadary watch | |||
| 10684 | The jackpot | |||
| 10685 | Nature | |||
| 10686 | SQF Problems | |||
| 10688 | The Poor Giant | |||
| 10689 | Yet another Number Sequence | |||
| 10690 | Expression Again | |||
| 10691 | Subway | |||
| 10692 | Huge Mods | |||
| 10693 | Traffic Volume | |||
| 10694 | Combinatorial Summation | |||
| 10695 | Find the Point | |||
| 10705 | The Fun Number System | |||
| 10706 | Number Sequence | |||
| 10707 | 2D-Nim | |||
| 10708 | Cheetah | |||
| 10709 | Intersection is Not that Easy | |||
| 10710 | Chinese Shuffle | |||
| 10712 | Count the Numbers | |||
| 10713 | Map | |||
| 10714 | Ants | |||
| 10715 | Cat | |||
| 10716 | Evil Straw Warts Live | |||
| 10717 | Mint | |||
| 10718 | Bit Mask | |||
| 10719 | Quotient Polynomial | |||
| 10720 | Graph Construction | |||
| 10721 | Bar Codes | |||
| 10722 | Super Lucky Numbers | |||
| 10723 | Cyborg Genes | |||
| 10724 | Road Construction | |||
| 10725 | Triangular Square | |||
| 10726 | Coco Monkey | |||
| 10727 | Practice | |||
| 10728 | Help! | |||
| 10729 | Treequivalence | |||
| 10730 | Antiarithmetic? | |||
| 10731 | Test | |||
| 10732 | The Strange Research | |||
| 10733 | The Colored Cubes | |||
| 10734 | Triangle Partitioning | |||
| 10735 | Euler Circuit | |||
| 10736 | Series of PI | |||
| 10737 | The Difference Engine | |||
| 10739 | String to Palindrome | |||
| 10740 | Not the Best | |||
| 10741 | Magic Cube | |||
| 10742 | The New Rule in Euphomia | |||
| 10743 | Blocks on Blocks | |||
| 10744 | The Optimal Super-Highway | |||
| 10745 | Dominant Strings | |||
| 10746 | Crime Wave - The Sequel | |||
| 10747 | Maximum Subsequence | |||
| 10748 | Knights Roaming | |||
| 10753 | Exponential Function | |||
| 10756 | HardNumbers | |||
| 10759 | Dice Throwing | |||
| 10760 | Translation or rotation | |||
| 10761 | Broken Keyboard | |||
| 10762 | Treasure Castle | |||
| 10763 | Foreign Exchange | |||
| 10764 | Signed-digit numbers | |||
| 10765 | Doves and bombs | |||
| 10766 | Organising the Organisation | |||
| 10767 | Barcelona's trams | |||
| 10768 | Planarity | |||
| 10769 | Pillars | |||
| 10770 | Sokoban | |||
| 10771 | Barbarian tribes | |||
| 10772 | Rose windows | |||
| 10773 | Back to Intermediate Math | |||
| 10774 | Repeated Josephus | |||
| 10775 | Mystical Matrix | |||
| 10776 | Determine The Combination | |||
| 10777 | God! Save me | |||
| 10778 | Mathemagicland | |||
| 10779 | Collectors Problem | |||
| 10780 | Again Prime? No Time. | |||
| 10781 | Global Positioning System | |||
| 10782 | Send More Money | |||
| 10783 | Odd Sum | |||
| 10784 | Diagonal | |||
| 10785 | The Mad Numerologist | |||
| 10786 | Qualify for the Champions League | |||
| 10787 | Modular Equations | |||
| 10788 | Parenthesizing Palindromes | |||
| 10789 | Prime Frequency | |||
| 10790 | How Many Points of Intersection? | |||
| 10791 | Minimum Sum LCM | |||
| 10792 | The Laurel-Hardy Story | |||
| 10793 | The Orc Attack | |||
| 10794 | The Deadly Olympic Returns!!! | |||
| 10795 | A Different Task | |||
| 10796 | Right Hand Rule | |||
| 10797 | Peaceful Sharing | |||
| 10798 | Be wary of Roses | |||
| 10799 | OOPS! They did it Again... | |||
| 10800 | Not That Kind of Graph | |||
| 10801 | Lift Hopping | |||
| 10802 | Lex Smallest Drive | |||
| 10803 | Thunder Mountain | |||
| 10804 | Gopher Strategy | |||
| 10805 | Cockroach Escape Networks | |||
| 10806 | Dijkstra, Dijkstra. | |||
| 10807 | Prim | |||
| 10808 | Rational Resistors | |||
| 10809 | Great Circle | |||
| 10810 | Ultra-QuickSort | |||
| 10811 | Up the Ante | |||
| 10812 | Beat the Spread! | |||
| 10816 | Travel in Desert | |||
| 10817 | Headmaster's Headache | |||
| 10818 | Dora Trip | |||
| 10820 | Send a Table | |||
| 10821 | Constructing BST | |||
| 10822 | Planet of the Rock, Paper and Scissors | |||
| 10823 | Of Circles and Squares | |||
| 10824 | Regular Polygon | |||
| 10825 | Anagram and Multiplication | |||
| 10826 | Hot or Cold? | |||
| 10827 | Maximum sum on a torus | |||
| 10828 | Back to Kernighan-Ritchie | |||
| 10829 | L-Gap Substrings | |||
| 10830 | A New Function | |||
| 10831 | Gerg's Cake | |||
| 10832 | Yoyodyne | |||
| 10833 | Lunar Forest | |||
| 10834 | The Story of Two Coins | |||
| 10835 | Playing with Coins | |||
| 10836 | The Maximum Term | |||
| 10837 | A Research Problem | |||
| 10838 | The Pawn Chess | |||
| 10839 | The Curse of Barbosa | |||
| 10840 | Multi-stage Compressor | |||
| 10841 | Lift Hopping in the Real World | |||
| 10842 | Traffic Flow | |||
| 10843 | Anne's game | |||
| 10844 | Bloques | |||
| 10845 | The crusades | |||
| 10846 | Reading time from a clock | |||
| 10847 | Basic Tautologies | |||
| 10848 | Make Palindrome Checker | |||
| 10856 | Recover Factorial | |||
| 10857 | Easter Eggs | |||
| 10858 | Unique Factorization | |||
| 10859 | Placing Lampposts | |||
| 10860 | Many a Little makes a Mickle | |||
| 10861 | Security by Ambiguity | |||
| 10862 | Connect the Cable Wires | |||
| 10863 | Shovelling Snow | |||
| 10864 | The Predator | |||
| 10865 | Brownie Points | |||
| 10866 | Magic Bitstrings | |||
| 10867 | Cutting a Polygon | |||
| 10868 | Bungee Jumping | |||
| 10869 | Brownie Points II | |||
| 10870 | Recurrences | |||
| 10871 | Primed Subsequence | |||
| 10872 | Triangles | |||
| 10873 | Splat, Inc. | |||
| 10874 | Segments | |||
| 10875 | Big Math | |||
| 10876 | Factory Robot | |||
| 10878 | Decode the tape | |||
| 10879 | Code Refactoring | |||
| 10880 | Colin and Ryan | |||
| 10881 | Piotr's Ants | |||
| 10882 | Koerner's Pub | |||
| 10883 | Supermean | |||
| 10884 | Persephone | |||
| 10885 | Martin the Gardener | |||
| 10886 | Standard Deviation | |||
| 10887 | Concatenation of Languages | |||
| 10888 | Warehouse | |||
| 10889 | The Lost Gift | |||
| 10890 | Maze | |||
| 10891 | Game of Sum | |||
| 10892 | LCM Cardinality | |||
| 10893 | Creating Sudoku Puzzles | |||
| 10894 | Save Hridoy | |||
| 10899 | Billiard again | |||
| 10900 | So you want to be a 2n-aire? | |||
| 10901 | Ferry Loading III | |||
| 10902 | Pick-up Sticks | |||
| 10903 | Rock-Paper-Scissors Tournament | |||
| 10904 | Structural Equivalence | |||
| 10905 | Children's Game | |||
| 10906 | Strange Integration | |||
| 10907 | Art Gallery | |||
| 10908 | Largest Square | |||
| 10909 | Lucky Number | |||
| 10910 | Marks Distribution | |||
| 10911 | Forming Quiz Teams | |||
| 10912 | Simple Minded Hashing | |||
| 10913 | Walking on a Grid | |||
| 10914 | Abundance and Perfect Numbers | |||
| 10915 | War on Weather | |||
| 10916 | Factstone Benchmark | |||
| 10917 | Walk Through the Forest | |||
| 10918 | Tri Tiling | |||
| 10919 | Prerequisites? | |||
| 10920 | Spiral Tap | |||
| 10921 | Find the Telephone | |||
| 10922 | 2 the 9s | |||
| 10923 | Seven Seas | |||
| 10924 | Prime Words | |||
| 10925 | Krakovia | |||
| 10926 | How Many Dependencies? | |||
| 10927 | Bright Lights | |||
| 10928 | My Dear Neighbours | |||
| 10929 | You can say 11 | |||
| 10930 | A-Sequence | |||
| 10931 | Parity | |||
| 10932 | Calculator | |||
| 10933 | Volleyball | |||
| 10934 | Dropping water balloons | |||
| 10935 | Throwing cards away I | |||
| 10936 | Land surveyor's job | |||
| 10937 | Blackbeard the Pirate | |||
| 10938 | Flea circus | |||
| 10939 | Ants, Aphids and a Ladybug | |||
| 10940 | Throwing cards away II | |||
| 10941 | Words adjustment | |||
| 10942 | Can of Beans | |||
| 10949 | Kids in a Grid | |||
| 10950 | Bad Code | |||
| 10951 | Polynomial GCD | |||
| 10952 | Pattern Transformations | |||
| 10953 | Stochastic Digit Generator | |||
| 10954 | Add All | |||
| 10955 | Playfair Cipher | |||
| 10956 | Prime Suspect | |||
| 10957 | So Doku Checker | |||
| 10958 | How Many Solutions? | |||
| 10964 | Strange Planet | |||
| 10965 | Khepel's Problem | |||
| 10966 | 3KP-BASH Project | |||
| 10967 | The Great Escape | |||
| 10968 | KuPellaKeS | |||
| 10969 | Sweet Dream | |||
| 10970 | Big Chocolate | |||
| 10971 | Building Construction | |||
| 10972 | RevolC FaeLoN | |||
| 10973 | Triangle Counting | |||
| 10974 | The Ridiculous Game | |||
| 10975 | Dueue's Quiz | |||
| 10976 | Fractions Again?! | |||
| 10977 | Enchanted Forest | |||
| 10978 | Let's Play Magic! | |||
| 10979 | How Many Triangles? | |||
| 10980 | Lowest Price in Town | |||
| 10981 | String Morphing | |||
| 10982 | Troublemakers | |||
| 10983 | Buy one, get the rest free | |||
| 10984 | Double NP-hard | |||
| 10985 | Rings'n'Ropes | |||
| 10986 | Sending email | |||
| 10987 | Antifloyd | |||
| 10988 | From G to H and back | |||
| 10989 | Bomb, Divide and Conquer | |||
| 10990 | Another New Function | |||
| 10991 | Region | |||
| 10992 | The Ghost of Programmers | |||
| 10993 | Ignoring Digits | |||
| 10994 | Simple Addition | |||
| 10995 | Educational Journey | |||
| 10996 | Go | |||
| 10997 | Medals | |||
| 10998 | Flipping Colors | |||
| 10999 | Crabbles | |||
| 11000 | Bee | |||
| 11001 | Necklace | |||
| 11002 | Towards Zero | |||
| 11003 | Boxes | |||
| 11004 | Changing Roadmap | |||
| 11005 | Cheapest Base | |||
| 11006 | Wheel Good | |||
| 11007 | Mini Cube | |||
| 11008 | Antimatter Ray Clearcutting | |||
| 11009 | Geometry Once Again | |||
| 11010 | Tic-Tac-Tough | |||
| 11011 | Numerical Methods! A Satire | |||
| 11012 | Cosmic Cabbages | |||
| 11013 | Get Straight | |||
| 11014 | Make a Crystal | |||
| 11015 | 05-2 Rendezvous | |||
| 11016 | Square Counting | |||
| 11017 | A Greener World | |||
| 11018 | Mars Buggy | |||
| 11019 | Matrix Matcher | |||
| 11020 | Efficient Solutions | |||
| 11021 | Tribles | |||
| 11023 | Multisets and Sequences | |||
| 11025 | Mr. And Mrs. Hamilton | |||
| 11026 | A Grouping Problem | |||
| 11027 | Palindromic Permutation | |||
| 11028 | Sum of Product | |||
| 11029 | Leading and Trailing | |||
| 11030 | Predator II | |||
| 11031 | Looking for a Subset | |||
| 11032 | Function Overloading | |||
| 11033 | Help my Brother | |||
| 11034 | Ferry Loading IV | |||
| 11035 | Card Hands | |||
| 11036 | Eventually Periodic Sequence | |||
| 11037 | Point of View in Flatland | |||
| 11038 | How Many O's? | |||
| 11056 | Formula 1 | |||
| 11057 | Exact Sum | |||
| 11058 | Encoding | |||
| 11059 | Maximum Product | |||
| 11060 | Beverages | |||
| 11061 | Playing War | |||
| 11062 | Andy's Second Dictionary | |||
| 11063 | B2-Sequence | |||
| 11064 | Number Theory | |||
| 11066 | Aragorn | |||
| 11069 | A Graph Problem | |||
| 11070 | The Good Old Times | |||
| 11072 | Points | |||
| 11073 | Euler's Totient Function | |||
| 11074 | Draw Grid | |||
| 11075 | Collage | |||
| 11076 | Add Again | |||
| 11077 | Find the Permutations | |||
| 11078 | Open Credit System | |||
| 11079 | What's the Time? | |||
| 11080 | Place the Guards | |||
| 11081 | Strings | |||
| 11082 | Matrix Decompressing | |||
| 11083 | Zeroes Revisited | |||
| 11084 | Anagram Division | |||
| 11085 | Back to the 8-Queens | |||
| 11086 | Composite Prime | |||
| 11087 | Divisibility Testing | |||
| 11088 | End up with More Teams | |||
| 11089 | Fi-binary Number | |||
| 11090 | Going in Cycle!! | |||
| 11091 | How many Knight Placing? | |||
| 11092 | IIUC HexWorld | |||
| 11093 | Just Finish it up | |||
| 11094 | Continents | |||
| 11095 | Tabriz City | |||
| 11096 | Nails | |||
| 11097 | Poor My Problem! :-( | |||
| 11098 | Battle II | |||
| 11099 | Next Same-Factored | |||
| 11100 | The Trip, 2007 | |||
| 11101 | Mall Mania | |||
| 11102 | Moonshine | |||
| 11103 | WFF 'N PROOF | |||
| 11104 | Cousins | |||
| 11105 | Semi-prime H-numbers | |||
| 11106 | Rectilinear Polygon | |||
| 11107 | Life Forms | |||
| 11108 | Tautology | |||
| 11109 | Rinse | |||
| 11118 | Prisoners, Boxes and Pieces of Paper | |||
| 11119 | Chemical Attraction | |||
| 11120 | Very Funny Mr. Feynman | |||
| 11121 | Base -2 | |||
| 11122 | Tri Tri | |||
| 11123 | Counting Trapizoid | |||
| 11124 | Troubles for Modern Days Problemsetters | |||
| 11125 | Arrange Some Marbles | |||
| 11126 | Relaxed Golf | |||
| 11127 | Triple-Free Binary Strings | |||
| 11128 | Faulty Computer | |||
| 11129 | An antiarithmetic permutation | |||
| 11130 | Billiard bounces | |||
| 11131 | Close Relatives | |||
| 11132 | Dice from pennies | |||
| 11133 | Eigensequence | |||
| 11134 | Fabled Rooks | |||
| 11135 | Gopher that walks and swims | |||
| 11136 | Hoax or what | |||
| 11137 | Ingenuous Cubrency | |||
| 11138 | Nuts and Bolts | |||
| 11139 | Counting Quadrilaterals | |||
| 11140 | Little Ali's Little Brother! | |||
| 11141 | Sugar Cubes | |||
| 11142 | MineSweeper II | |||
| 11143 | Subtitles | |||
| 11144 | S.O.S. | |||
| 11145 | AvreniM | |||
| 11146 | Insurrection | |||
| 11147 | KuPellaKeS BST | |||
| 11148 | Moliu Fractions | |||
| 11149 | Power of Matrix | |||
| 11150 | Cola | |||
| 11151 | Longest Palindrome | |||
| 11152 | Colourful Flowers | |||
| 11153 | Museums | |||
| 11154 | An Octal World | |||
| 11155 | Be Efficient | |||
| 11156 | Continuous Drawing | |||
| 11157 | Dynamic Frog | |||
| 11158 | Elegant Permuted Sum | |||
| 11159 | Factors and Multiples | |||
| 11160 | Going Together | |||
| 11161 | Help My Brother (II) | |||
| 11162 | Independent Attacking Zones | |||
| 11163 | Jaguar King | |||
| 11164 | Kingdom Division | |||
| 11165 | Galactic Travel | |||
| 11166 | Power Signs | |||
| 11167 | Monkeys in the Emei Mountain | |||
| 11168 | Airport | |||
| 11169 | Deal or No Deal | |||
| 11170 | Cos(NA) | |||
| 11171 | SMS | |||
| 11172 | Relational Operator | |||
| 11173 | Grey Codes | |||
| 11174 | Stand in a Line | |||
| 11175 | From D to E and Back | |||
| 11176 | Winning Streak | |||
| 11177 | Fighting Against a Polygonal Monster | |||
| 11178 | Morley's Theorem | |||
| 11179 | Bit Stream | |||
| 11180 | Base i-1 | |||
| 11181 | Probability|Given | |||
| 11182 | Zeroes III | |||
| 11183 | Teen Girl Squad | |||
| 11184 | Joyful Ride | |||
| 11185 | Ternary | |||
| 11186 | Circum Triangle | |||
| 11187 | Water Crisis | |||
| 11188 | A Strange Opera House | |||
| 11189 | A Simple Pendulum | |||
| 11190 | Series of Powers | |||
| 11191 | Square | |||
| 11192 | Group Reverse | |||
| 11193 | Infinix | |||
| 11194 | Stone Grid | |||
| 11196 | Birthday Cake | |||
| 11199 | Equations in Disguise | |||
| 11208 | Airplane Scheduling | |||
| 11209 | Be Together Again and Forever | |||
| 11211 | Digital Logic | |||
| 11212 | Editing a Book | |||
| 11216 | Irrigation | |||
| 11217 | Jewel Magnetizer | |||
| 11219 | How old are you? | |||
| 11220 | Decoding the message. | |||
| 11221 | Magic square palindromes. | |||
| 11222 | Only I did it! | |||
| 11223 | O: dah dah dah! | |||
| 11224 | Let's swim! | |||
| 11225 | Tarot scores. | |||
| 11226 | Reaching the fix-point. | |||
| 11227 | The silver bullet. | |||
| 11228 | Transportation system. | |||
| 11229 | Improved tic-tac-toe. | |||
| 11239 | Open Source | |||
| 11240 | Antimonotonicity | |||
| 11241 | Humidex | |||
| 11242 | Tour de France | |||
| 11243 | Texas Trip | |||
| 11244 | Counting Stars | |||
| 11245 | Anti-Arithmetic-Sequence | |||
| 11246 | K-Multiple Free set | |||
| 11247 | Income Tax | |||
| 11248 | Frequency Hopping | |||
| 11249 | Game | |||
| 11250 | Working with Small Numbers | |||
| 11251 | Fractions | |||
| 11252 | Take Me Home (To the Place I Belong) | |||
| 11253 | Fractal | |||
| 11254 | Consecutive Integers | |||
| 11255 | Necklace | |||
| 11256 | Repetitive Multiple | |||
| 11257 | New Marketing Plan | |||
| 11258 | String Partition | |||
| 11259 | Coin Changing Again | |||
| 11260 | Odd Root Sum | |||
| 11261 | Bishops | |||
| 11262 | Weird Fence | |||
| 11263 | Nested Rectangles | |||
| 11264 | Coin Collector | |||
| 11265 | The Sultan's Problem | |||
| 11266 | Equations | |||
| 11267 | The Hire-a-Coder Business Model | |||
| 11268 | Reliable Network | |||
| 11269 | Setting Problems | |||
| 11270 | Tiling Dominoes | |||
| 11271 | Lattice of Resistors | |||
| 11272 | Summing the Lengths of the Longest Increasing Subsequence of Permutations | |||
| 11273 | Warping N Dimensional Space | |||
| 11274 | Infinite Resistor Network | |||
| 11275 | 3D Triangles | |||
| 11276 | Magical Seven | |||
| 11277 | Cyclic Polygons | |||
| 11278 | One-Handed Typist | |||
| 11279 | Keyboard Comparison | |||
| 11280 | Flying to Fredericton | |||
| 11281 | Triangular Pegs in Round Holes | |||
| 11282 | Mixing Invitations | |||
| 11283 | Playing Boggle | |||
| 11284 | Shopping Trip | |||
| 11285 | Exchange Rates | |||
| 11286 | Conformity | |||
| 11287 | Pseudoprime Numbers | |||
| 11288 | Carpool | |||
| 11289 | Friend or Foe? | |||
| 11290 | Gangs | |||
| 11291 | Smeech | |||
| 11292 | Dragon of Loowater | |||
| 11293 | Tournament | |||
| 11294 | Wedding | |||
| 11295 | Anti Monotonicity Revisited | |||
| 11296 | Counting Solutions to an Integral Equation | |||
| 11297 | Census | |||
| 11298 | Dissecting a Hexagon | |||
| 11299 | Separating Rods | |||
| 11300 | Spreading the Wealth | |||
| 11301 | Great Wall of China | |||
| 11302 | Hexadecimal Digits of an Integral | |||
| 11303 | Permutations | |||
| 11304 | Difussing Nuclear Bombs on Planet X | |||
| 11305 | Chess on Planet X | |||
| 11306 | Optimal Marriage on Planet X | |||
| 11307 | Alternative Arborescence | |||
| 11308 | Bankrupt Baker | |||
| 11309 | Counting Chaos | |||
| 11310 | Delivery Debacle | |||
| 11311 | Exclusively Edible | |||
| 11312 | Flipping Frustration | |||
| 11313 | Gourmet Games | |||
| 11314 | Hardly Hard | |||
| 11315 | Attacker | |||
| 11316 | Prime Frog | |||
| 11317 | GCD+LCM | |||
| 11318 | Marble Game | |||
| 11319 | Stupid Sequence | |||
| 11320 | Hidden Triangles | |||
| 11321 | Sort! Sort!! and Sort!!! | |||
| 11322 | Romeo and Juliet | |||
| 11323 | Satisfying Constraints | |||
| 11324 | The Largest Clique | |||
| 11325 | This Means War! | |||
| 11326 | Laser Pointer | |||
| 11327 | Enumerating Rational Numbers | |||
| 11328 | Drawing Straws at the Office | |||
| 11329 | Curious Fleas | |||
| 11330 | Andy's Shoes | |||
| 11331 | The Joys of Farming | |||
| 11332 | Summing Digits | |||
| 11340 | Newspaper | |||
| 11341 | Term Strategy | |||
| 11342 | Three-square | |||
| 11343 | Isolated Segments | |||
| 11344 | The Huge One | |||
| 11345 | Rectangles | |||
| 11346 | Probability | |||
| 11347 | Multifactorials | |||
| 11348 | Exhibition | |||
| 11349 | Symmetric Matrix | |||
| 11350 | Stern-Brocot Tree | |||
| 11351 | Last Man Standing | |||
| 11352 | Crazy King | |||
| 11353 | A Different Kind of Sorting | |||
| 11354 | Bond | |||
| 11355 | Cool Points | |||
| 11356 | Dates | |||
| 11357 | Ensuring Truth | |||
| 11358 | Faster Processing Feasibility | |||
| 11359 | Guards, Imbecile Guards | |||
| 11360 | Have Fun with Matrices | |||
| 11361 | Investigating Div-Sum Property | |||
| 11371 | Number Theory for Newbies | |||
| 11372 | Arranging a Contest | |||
| 11373 | Happy Birthday | |||
| 11374 | Airport Express | |||
| 11375 | Matches | |||
| 11376 | Tilt! | |||
| 11377 | Airport Setup | |||
| 11378 | Bey Battle | |||
| 11379 | Chichi's Home Work | |||
| 11380 | Down Went The Titanic | |||
| 11381 | Elegant Strings | |||
| 11382 | Fear of The Dark | |||
| 11383 | Golden Tiger Claw | |||
| 11384 | Help is needed for Dexter | |||
| 11385 | Da Vinci Code | |||
| 11386 | Triples | |||
| 11387 | The 3-Regular Graph | |||
| 11388 | GCD LCM | |||
| 11389 | The Bus Driver Problem | |||
| 11390 | The Sultan's Feast | |||
| 11391 | Blobs in the Board | |||
| 11392 | Binary*3 Type Multiple | |||
| 11393 | Tri-Isomorphism | |||
| 11394 | Digit Blocks | |||
| 11395 | Sigma Function | |||
| 11396 | Claw Decomposition | |||
| 11397 | Reconstructing Binary Forests | |||
| 11398 | The Base-1 Number System | |||
| 11399 | What be thy Name, O Dear Tree? | |||
| 11400 | Lighting System Design | |||
| 11401 | Triangle Counting | |||
| 11402 | Ahoy, Pirates! | |||
| 11403 | Binary Multiplication | |||
| 11404 | Palindromic Subsequence | |||
| 11405 | Can U Win? | |||
| 11406 | Best Trap | |||
| 11407 | Squares | |||
| 11408 | Count DePrimes | |||
| 11409 | Ball Passing | |||
| 11410 | LAEncoding | |||
| 11411 | MiniMice | |||
| 11412 | Dig the Holes | |||
| 11413 | Fill the Containers | |||
| 11414 | Dream | |||
| 11415 | Count the Factorials | |||
| 11416 | Excel Evaluation | |||
| 11417 | GCD | |||
| 11418 | Clever Naming Patterns | |||
| 11419 | SAM I AM | |||
| 11420 | Chest of Drawers | |||
| 11421 | Arranging Cards | |||
| 11422 | Escaping from Fractal Bacterium | |||
| 11423 | Cache Simulator | |||
| 11424 | GCD - Extreme (I) | |||
| 11425 | Collecting Luggage EXTREME!!! | |||
| 11426 | GCD - Extreme (II) | |||
| 11427 | Expect the Expected | |||
| 11428 | Cubes | |||
| 11429 | Randomness | |||
| 11430 | ETS Problem setting | |||
| 11431 | Partitioning a Number | |||
| 11432 | Busy Programmer | |||
| 11433 | The Dicey Dice | |||
| 11434 | Careless Postman Problem | |||
| 11435 | Network EXTREME!!! | |||
| 11436 | Cubes - EXTREME!!! | |||
| 11437 | Triangle Fun | |||
| 11438 | Integer Transmission EXTREME | |||
| 11439 | Maximizing the ICPC | |||
| 11440 | Help Tomisu | |||
| 11441 | Encoding/Decoding | |||
| 11442 | Linear Diophantine Tidbits | |||
| 11443 | Tree in a Grid | |||
| 11444 | Sum | |||
| 11445 | Water Tanks EXTREME | |||
| 11446 | Where is the 'back' button? | |||
| 11456 | Trainsorting | |||
| 11457 | Classified | |||
| 11458 | Hot Spot | |||
| 11459 | Snakes and Ladders | |||
| 11460 | Balance | |||
| 11461 | Square Numbers | |||
| 11462 | Age Sort | |||
| 11463 | Commandos | |||
| 11464 | Even Parity | |||
| 11465 | Count the Polygons | |||
| 11466 | Largest Prime Divisor | |||
| 11467 | Pythagorean Triangles | |||
| 11468 | Substring | |||
| 11469 | Treasure Hunt | |||
| 11470 | Square Sums | |||
| 11471 | Arrange the Tiles | |||
| 11472 | Beautiful Numbers | |||
| 11473 | Campus Roads | |||
| 11474 | Dying Tree | |||
| 11475 | Extend to Palindrome | |||
| 11476 | Factorizing Larget Integers | |||
| 11477 | Game of Rectangles | |||
| 11478 | Halum | |||
| 11479 | Is this the easiest problem? | |||
| 11480 | Jimmy's Balls | |||
| 11481 | Arrange the Numbers | |||
| 11482 | Building a Triangular Museum | |||
| 11483 | Code Creator | |||
| 11484 | Document Object Model | |||
| 11485 | Extreme Discrete Summation | |||
| 11486 | Finding Paths in Grid | |||
| 11487 | Gathering Food | |||
| 11488 | Hyper Prefix Sets | |||
| 11489 | Integer Game | |||
| 11490 | Just Another Problem | |||
| 11501 | Laurel Creek | |||
| 11502 | Rocket Stages | |||
| 11503 | Virtual Friends | |||
| 11504 | Dominos | |||
| 11505 | Logo | |||
| 11515 | Cranes | |||
| 11516 | WiFi | |||
| 11517 | Exact Change | |||
| 11518 | Dominos 2 | |||
| 11519 | Logo 2 | |||
| 11520 | Fill the Square | |||
| 11521 | Compressor | |||
| 11522 | Pyramid Number | |||
| 11523 | Recycling | |||
| 11524 | InCircle | |||
| 11525 | Permutation | |||
| 11526 | H(n) | |||
| 11527 | Morning Walk | |||
| 11528 | Switch Grid | |||
| 11529 | Strange Tax Calculation | |||
| 11530 | SMS Typing | |||
| 11531 | Solve the Broken Maze | |||
| 11532 | Simple Adjacency Maximization | |||
| 11533 | Special Number | |||
| 11534 | Say Goodbye to Tic-Tac-Toe | |||
| 11535 | Set of Marbles | |||
| 11536 | Smallest Sub-Array | |||
| 11537 | Secret Problemsetters' Union | |||
| 11538 | Chess Queen | |||
| 11539 | Another Word Game | |||
| 11540 | Sultan's Chandelier | |||
| 11541 | Decoding | |||
| 11542 | Square | |||
| 11543 | Two Points And Curious MumboJumbo | |||
| 11544 | Recruiter's Problem | |||
| 11545 | Avoiding Jungle in the Dark | |||
| 11546 | Olympic Swimming | |||
| 11547 | Automatic Answer | |||
| 11548 | Blackboard Bonanza | |||
| 11549 | Calculator Conundrum | |||
| 11550 | Demanding Dilemma | |||
| 11551 | Experienced Endeavour | |||
| 11552 | Fewest Flops | |||
| 11553 | Grid Game | |||
| 11554 | Hapless Hedonism | |||
| 11565 | Simple Equations | |||
| 11566 | Let's Yum Cha! | |||
| 11567 | Moliu Number Generator | |||
| 11568 | Pincer Attack!! | |||
| 11569 | Lovely Hint | |||
| 11570 | Sudoku without numbers? | |||
| 11571 | Simple Equations - Extreme!! | |||
| 11572 | Unique Snowflakes | |||
| 11573 | Ocean Currents | |||
| 11574 | Colliding Traffic | |||
| 11575 | Zerg Rush!!! | |||
| 11576 | Scrolling Sign | |||
| 11577 | Letter Frequency | |||
| 11578 | Situp Benches | |||
| 11579 | Triangle Trouble | |||
| 11580 | Finding the Transmitter | |||
| 11581 | Grid Successors | |||
| 11582 | Colossal Fibonacci Numbers! | |||
| 11583 | Alien DNA | |||
| 11584 | Partitioning by Palindromes | |||
| 11585 | Nurikabe | |||
| 11586 | Train Tracks | |||
| 11587 | Brick Game | |||
| 11588 | Image Coding | |||
| 11589 | Save the President | |||
| 11590 | Prefix Lookup | |||
| 11591 | Bulb Inside a Grid | |||
| 11592 | Bulb inside a Grid (II) | |||
| 11593 | Fractions | |||
| 11594 | All Pairs Maximum Flow | |||
| 11595 | Crossing Streets EXTREME | |||
| 11596 | Convex Orthogonal Polygon | |||
| 11597 | Spanning Subtree | |||
| 11598 | Optimal Segments | |||
| 11599 | Triangle and Polynomial | |||
| 11600 | Masud Rana | |||
| 11601 | Avoiding Overlaps | |||
| 11602 | SMS for Blind | |||
| 11603 | Its all about the Bandwidth | |||
| 11604 | General Sultan | |||
| 11605 | Lights inside a 3d Grid | |||
| 11606 | Atoms | |||
| 11607 | Cutting Cakes | |||
| 11608 | No Problem | |||
| 11609 | Teams | |||
| 11610 | Reverse Prime | |||
| 11611 | Colored Tiles | |||
| 11612 | Sultan and Khairun Shundori | |||
| 11613 | Acme Corporation | |||
| 11636 | Hello World! | |||
| 11637 | Garbage Remembering Exam | |||
| 11638 | Temperature Monitoring | |||
| 11639 | Guard the Land | |||
| 11640 | Mayor Election | |||
| 11641 | Looking for a New Place | |||
| 11642 | Bangladesh Premier League | |||
| 11643 | Knight Tour | |||
| 11644 | Pyragrid | |||
| 11645 | Bits | |||
| 11646 | Athletics Track | |||
| 11647 | Judgment Day | |||
| 11648 | Divide The Land | |||
| 11649 | Home! Sweet Home! | |||
| 11650 | Mirror Clock | |||
| 11651 | Krypton Number System | |||
| 11652 | Power Faster | |||
| 11653 | Stick Makes Gold | |||
| 11654 | Arithmetic Subsequence | |||
| 11655 | Waterland | |||
| 11666 | Logarithms | |||
| 11667 | Income Tax Hazard II | |||
| 11668 | How Many Teams | |||
| 11669 | Non Decreasing Prime Sequence | |||
| 11670 | Physics Experiment | |||
| 11671 | Sign of Matrix | |||
| 11672 | Dynamic Summation | |||
| 11673 | Enemy at the Gateway | |||
| 11674 | In-Ellipse | |||
| 11675 | Happy Friends | |||
| 11713 | Abstract Names | |||
| 11714 | Blind Sorting | |||
| 11715 | Car | |||
| 11716 | Digital Fortress | |||
| 11717 | Energy Saving Microcontroller | |||
| 11718 | Fantasy of a Summation | |||
| 11719 | Gridland Airports | |||
| 11720 | How Many Ways | |||
| 11721 | Instant View of Big Bang | |||
| 11722 | Joining with Friend | |||
| 11723 | Numbering Roads | |||
| 11724 | Evaluate the Expression | |||
| 11725 | Colorful Board | |||
| 11726 | Crime Scene | |||
| 11727 | Cost Cutting | |||
| 11728 | Alternate Task | |||
| 11729 | Commando War | |||
| 11730 | Number Transformation | |||
| 11731 | Ex-circles | |||
| 11732 | "strcmp()" Anyone? | |||
| 11733 | Airports | |||
| 11734 | Big Number of Teams will Solve This | |||
| 11735 | Corner the Queens | |||
| 11736 | Debugging RAM | |||
| 11737 | Extreme Primitive Society | |||
| 11738 | Few Teams will Solve this | |||
| 11739 | Giving Candies | |||
| 11740 | How Dark Can it Be? | |||
| 11741 | Ignore the Blocks | |||
| 11742 | Social Constraints | |||
| 11743 | Credit Check | |||
| 11744 | Parallel Carry Adder | |||
| 11745 | Slitherlin | |||
| 11746 | Finding the Transmitter Again | |||
| 11747 | Heavy Cycle Edges | |||
| 11748 | Rigging Elections | |||
| 11749 | Poor Trade Advisor | |||
| 11750 | Red-Blue Tree | |||
| 11751 | Installing Diagnostic Software | |||
| 11752 | The Super Powers | |||
| 11753 | Creating Palindrome | |||
| 11754 | Code Feat | |||
| 11755 | Table Tennis | |||
| 11756 | Bounded by Lines | |||
| 11757 | Winger Trial | |||
| 11758 | Left Right | |||
| 11759 | IBM Fencing | |||
| 11760 | Brother Arif, Please feed us! | |||
| 11761 | Super Heronian Triangle | |||
| 11762 | Race to 1 | |||
| 11763 | Hats Off | |||
| 11764 | Jumping Mario | |||
| 11765 | Component Placement | |||
| 11766 | Racing Car Computer | |||
| 11767 | World of Knots | |||
| 11768 | Lattice Point or Not | |||
| 11769 | All Souls Night | |||
| 11770 | Lighting Away | |||
| 11771 | Dhaka Bots | |||
| 11772 | A Bee Love Story | |||
| 11773 | King's Wish | |||
| 11774 | Doom's Day | |||
| 11775 | Unique Story | |||
| 11776 | Oh Your Royal Greediness! | |||
| 11777 | Automate the Grades | |||
| 11778 | Graph Coloring in HSL | |||
| 11779 | Lost File | |||
| 11794 | Dazzling Puzzle | |||
| 11795 | Mega Man's Mission | |||
| 11796 | Dog Distance | |||
| 11797 | Drutojan Express | |||
| 11798 | Colorful Board 2 | |||
| 11799 | Horror Dash | |||
| 11800 | Determine the Shape | |||
| 11801 | A Problemsetter Blind with Emotion | |||
| 11802 | All Your Bases Belong to Us | |||
| 11803 | The Great Merger | |||
| 11804 | Argentina | |||
| 11805 | Bafana Bafana | |||
| 11806 | Cheerleaders | |||
| 11807 | Dumb Eucelics' Pyramid Walk | |||
| 11808 | Ensuring Victory | |||
| 11809 | Floating-Point Numbers | |||
| 11810 | Gentle ping, to the old King | |||
| 11811 | Hello, Mafia | |||
| 11812 | Innovative Procession Management | |||
| 11813 | Shopping | |||
| 11814 | Stack Machine | |||
| 11815 | Ideas | |||
| 11816 | HST | |||
| 11817 | Tunnelling the Earth | |||
| 11818 | Game --- Mouse and Cheese | |||
| 11819 | Bisectors | |||
| 11820 | Warp Speed | |||
| 11821 | High-Precision Number | |||
| 11822 | Configurations | |||
| 11823 | Two Longest Paths | |||
| 11824 | A Minimum Land Price | |||
| 11825 | Hackers' Crackdown | |||
| 11826 | Shuffle | |||
| 11827 | Maximum GCD | |||
| 11828 | Palindrome Again | |||
| 11829 | L's in a Circle | |||
| 11859 | Division Game | |||
| 11860 | Document Analyzer | |||
| 11861 | Explosion | |||
| 11862 | Airbus vs Boeing | |||
| 11863 | Prime Game | |||
| 11864 | Probability Calculation | |||
| 11865 | Stream My Contest | |||
| 11866 | Triangle | |||
| 11867 | Politeness | |||
| 11868 | Game of Blocks | |||
| 11869 | SOAP Response | |||
| 11870 | Antonyms | |||
| 11871 | New Land | |||
| 11872 | Where to Run | |||
| 11873 | Gift Packing | |||
| 11874 | Travel Company | |||
| 11875 | Brick Game | |||
| 11876 | N + NOD (N) | |||
| 11899 | Writing the Whole pi | |||
| 11900 | Boiled Eggs | |||
| 11901 | Ellipse Hazard | |||
| 11902 | Dominator | |||
| 11903 | e-Friends | |||
| 11904 | One Unit Machine | |||
| 11905 | Map Coloring | |||
| 11906 | Knight in a War Grid | |||
| 11907 | Collision of Bacteria | |||
| 11908 | Skyscraper | |||
| 11909 | Soya Milk | |||
| 11910 | Closest Fractions | |||
| 11911 | Farther or Closer | |||
| 11912 | Chutes and Ladders | |||
| 11913 | Tape Recording | |||
| 11914 | An Amazing Race | |||
| 11915 | Recurrence | |||
| 11916 | Emoogle Grid | |||
| 11917 | Do Your Own Homework | |||
| 11918 | Traveler of Gridland | |||
| 11919 | Hybrid Salientia | |||
| 11920 | 0 s, 1 s and ? Marks | |||
| 11921 | Save the Princess | |||
| 11922 | Permutation Transformer | |||
| 11923 | Roundabout | |||
| 11924 | Unlock the Winning Pot | |||
| 11925 | Generating Permutations | |||
| 11926 | Multitasking | |||
| 11927 | Games Are Important | |||
| 11928 | The Busy Dog | |||
| 11929 | Ambiguous Forests | |||
| 11930 | Rectangles | |||
| 11931 | Maze Escape | |||
| 11932 | Net Profit | |||
| 11933 | Splitting Numbers | |||
| 11934 | Magic Formula | |||
| 11935 | Through the Desert | |||
| 11951 | Area | |||
| 11952 | Arithmetic | |||
| 11953 | Battleships | |||
| 11954 | Binary Calculator | |||
| 11955 | Binomial Theorem | |||
| 11956 | Brainfuck | |||
| 11957 | Checkers | |||
| 11958 | Coming Home | |||
| 11959 | Dice | |||
| 11960 | Divisor Game | |||
| 11961 | DNA | |||
| 11962 | DNA II | |||
| 11963 | Emigration | |||
| 11964 | Equation | |||
| 11965 | Extra Spaces | |||
| 11966 | Galactic Bonding | |||
| 11967 | Hic-Hac-Hoe | |||
| 11968 | In The Airport | |||
| 11969 | LAMApbo | |||
| 11970 | Lucky Numbers | |||
| 11971 | Polygon | |||
| 11972 | Round Trip | |||
| 11973 | Sierpinski Carpet | |||
| 11974 | Switch The Lights | |||
| 11975 | Tele-loto | |||
| 11976 | Time Deposit | |||
| 11977 | Story of Tomisu Ghost | |||
| 11978 | Fukushima Nuclear Blast | |||
| 11979 | Hamming Base | |||
| 11980 | Mad Scientist | |||
| 11981 | Corrupted Friendship | |||
| 11982 | Fantasy Cricket | |||
| 11983 | Weird Advertisement | |||
| 11984 | A Change in Thermal Unit | |||
| 11985 | Prime Independence | |||
| 11986 | Save from Radiation | |||
| 11987 | Almost Union-Find | |||
| 11988 | Broken Keyboard (a.k.a. Beiju Text) | |||
| 11989 | Cake Cutting | |||
| 11990 | ``Dynamic'' Inversion | |||
| 11991 | Easy Problem from Rujia Liu? | |||
| 11992 | Fast Matrix Operations | |||
| 11993 | Girls' Celebration | |||
| 11994 | Happy Painting! | |||
| 11995 | I Can Guess the Data Structure! | |||
| 11996 | Jewel Magic | |||
| 11997 | K Smallest Sums | |||
| 11998 | Rujia Liu loves Wario Land! | |||
| 11999 | Unlock | |||
| 12000 | K-Transformed Permutations | |||
| 12001 | UVa Panel Discussion | |||
| 12002 | Happy Birthday | |||
| 12003 | Array Transformer | |||
| 12004 | Bubble Sort | |||
| 12005 | Find Solutions | |||
| 12006 | Paint Brush | |||
| 12007 | Crossboard Coloring | |||
| 12008 | Emotional Bishop | |||
| 12009 | Avaricious Maryanna | |||
| 12010 | Boring Homework | |||
| 12011 | Complete the Set | |||
| 12012 | Detection of Extraterrestrial | |||
| 12013 | Entertainment | |||
| 12014 | Fudan Extracurricular Lives | |||
| 12015 | Google is Feeling Lucky | |||
| 12016 | Herbicide | |||
| 12017 | Imitation | |||
| 12018 | Juice Extractor | |||
| 12028 | A Gift from the Setter | |||
| 12029 | Flying Spaceships | |||
| 12030 | Help the Winners | |||
| 12031 | Summation of Four Squares | |||
| 12032 | The Monkey and the Oiled Bamboo | |||
| 12033 | Game of CS | |||
| 12034 | Race | |||
| 12035 | War Map | |||
| 12036 | Stable Grid | |||
| 12037 | Musical Chair | |||
| 12038 | Batting Practice | |||
| 12039 | Goldbach's Cardinality | |||
| 12040 | Again Lucky Numbers | |||
| 12041 | BFS (Binary Fibonacci String) | |||
| 12042 | Colorful Eggs | |||
| 12043 | Divisors | |||
| 12044 | Extreme Divisors | |||
| 12045 | Fun with Strings | |||
| 12046 | Great Numbers | |||
| 12047 | Highest Paid Toll | |||
| 12048 | Inhabitants | |||
| 12049 | Just Prune The List | |||
| 12050 | Palindrome Numbers | |||
| 12051 | Mazes in Higher Dimensions | |||
| 12052 | Cyber cafe | |||
| 12053 | Unbreakable Floor | |||
| 12054 | Find the Project | |||
| 12055 | Strange Research | |||
| 12056 | Circle Strafing | |||
| 12057 | Prefix Codes | |||
| 12058 | Highway Monitor | |||
| 12059 | Volume Measurement | |||
| 12060 | All Integer Average | |||
| 12061 | Overlaying Maps | |||
| 12062 | Reverse Assignment | |||
| 12063 | Zeros and Ones | |||
| 12064 | Count the Points Inside | |||
| 12065 | Permutation Primes | |||
| 12066 | The Fairy Tale of ICPC | |||
| 12067 | Guinea Rats | |||
| 12068 | Harmonic Mean | |||
| 12069 | Robots inside the Labyrinth | |||
| 12070 | Invite Your Friends | |||
| 12071 | Understanding Recursion | |||
| 12072 | Matrissor | |||
| 12073 | Altitude Triangle | |||
| 12074 | The Ultimate Bamboo Eater | |||
| 12075 | Counting Triangles | |||
| 12085 | Mobile Casanova | |||
| 12086 | Potentiometers | |||
| 12087 | Collecting Marbles | |||
| 12088 | Expression | |||
| 12089 | The Luncheon | |||
| 12090 | Counting Zeroes | |||
| 12091 | Multiplication | |||
| 12092 | Paint the Roads | |||
| 12093 | Protecting Zonk | |||
| 12094 | Battle of the Triangle | |||
| 12114 | Bachelor Arithmetic | |||
| 12115 | Nested Squares | |||
| 12116 | The Dumb Grocer | |||
| 12117 | ACM Puzzles | |||
| 12118 | Inspector's Dilemma | |||
| 12119 | The Bells are Ringing | |||
| 12120 | Photographic Tour | |||
| 12121 | You are around me ... | |||
| 12122 | Infinite Matrix | |||
| 12123 | Magnetic Train Tracks | |||
| 12134 | Find the Format String | |||
| 12135 | Switch Bulbs | |||
| 12136 | Schedule of a Married Man | |||
| 12137 | Puzzles of Triangles | |||
| 12138 | Chemical Plant | |||
| 12139 | Clicking Checkboxes | |||
| 12140 | Magic Rings | |||
| 12141 | Line Chart | |||
| 12142 | Mobile Tower | |||
| 12143 | Stopping Doom's Day | |||
| 12155 | ASCII Diamondi | |||
| 12156 | Match Maker | |||
| 12157 | Tariff Plan | |||
| 12158 | Irreducible Fractions | |||
| 12159 | Gun Fight | |||
| 12160 | Unlock the Lock | |||
| 12161 | Ironman Race in Treeland | |||
| 12162 | Shooting the Monster | |||
| 12163 | Addition-Subtraction Game | |||
| 12164 | The Great Game | |||
| 12165 | Triangle Hazard | |||
| 12207 | That is Your Queue | |||
| 12208 | How Many Ones Needed? | |||
| 12209 | Foot Notes | |||
| 12210 | A Match Making Problem | |||
| 12211 | Games of Block | |||
| 12212 | Password Remembering | |||
| 12213 | Camera in the Museum | |||
| 12214 | Traffic Jam | |||
| 12215 | Rectangle of Permutation | |||
| 12216 | How Many bases? | |||
| 12217 | Integer Game | |||
| 12249 | Overlapping Scenes | |||
| 12250 | Language Detection | |||
| 12251 | Scientific Experiment | |||
| 12252 | ABCD Tiles | |||
| 12253 | Simple Encryption | |||
| 12254 | Electricity Connection | |||
| 12255 | Underwater Snipers | |||
| 12256 | Making Quadrilaterals | |||
| 12257 | The Queue | |||
| 12258 | Air Pollution Problem | |||
| 12279 | Emoogle Balance | |||
| 12280 | A Digital Satire of Digital Age | |||
| 12281 | Hyper Box | |||
| 12282 | OmniGravity | |||
| 12283 | Halloween Costumes | |||
| 12284 | Digital Matrix | |||
| 12285 | Knockout Tournaments | |||
| 12286 | Optimal Store | |||
| 12287 | Network Flow | |||
| 12288 | Hyper Knights | |||
| 12289 | One-Two-Three | |||
| 12290 | Counting Game | |||
| 12291 | Polyomino Composer | |||
| 12292 | Polyomino Decomposer | |||
| 12293 | Box Game | |||
| 12294 | RPG battles | |||
| 12295 | Optimal Symmetric Paths | |||
| 12296 | Pieces and Discs | |||
| 12297 | Super Poker | |||
| 12298 | Super Poker II | |||
| 12299 | RMQ with Shifts | |||
| 12300 | Smallest Regular Polygon | |||
| 12301 | An Angular Puzzle | |||
| 12302 | Nine-Point Circle | |||
| 12303 | Composite Transformations | |||
| 12304 | 2D Geometry 110 in 1! | |||
| 12305 | Polishing a Extruded Polygon | |||
| 12306 | My SketchUp | |||
| 12307 | Smallest Enclosing Rectangle | |||
| 12308 | Smallest Enclosing Box | |||
| 12309 | A Strange Opera House II | |||
| 12310 | Point Location | |||
| 12311 | All-Pair Farthest Points | |||
| 12312 | Bounding Volume Hierarchy | |||
| 12313 | A Tiny Raytracer | |||
| 12314 | The Cleaning Robot | |||
| 12335 | Lexicographic Order | |||
| 12336 | Knights in the Zombie Land | |||
| 12337 | Bob's Beautiful Balls | |||
| 12338 | Anti-Rhyme Pairs | |||
| 12339 | Help Hermione | |||
| 12340 | Integer Grouping | |||
| 12341 | Next to Never | |||
| 12342 | Tax Calculator | |||
| 12343 | Strange Simulation | |||
| 12344 | Jewel Transportation | |||
| 12345 | Dynamic len(set(a[L:R])) | |||
| 12346 | Water Gate Management | |||
| 12347 | Binary Search Tree | |||
| 12348 | Fun Coloring | |||
| 12349 | Twin Apparent Primes!! | |||
| 12350 | Queen Game | |||
| 12351 | Spelling Suggestion | |||
| 12352 | Coalescing Continents | |||
| 12353 | Fence Making | |||
| 12354 | Paths in a Tree | |||
| 12355 | Consecutive Sums | |||
| 12367 | Binary Matrix | |||
| 12368 | Candles | |||
| 12369 | Cards | |||
| 12370 | Game of Connect | |||
| 12371 | Guards | |||
| 12372 | Packing for Holiday | |||
| 12373 | Pair of Touching Circles | |||
| 12374 | Treasure Hunt | |||
| 12375 | Truchet Tiling | |||
| 12376 | As Long as I Learn, I Live | |||
| 12403 | Save Setu | |||
| 12404 | Trapezium Drawing | |||
| 12405 | Scarecrow | |||
| 12406 | Help Dexter | |||
| 12407 | Speed Zones | |||
| 12408 | Multi Round Matches | |||
| 12409 | Kisu Pari Na - 1 | |||
| 12410 | Disable the Wand | |||
| 12412 | A Typical Homework (a.k.a Shi Xiong Bang Bang Mang) | |||
| 12413 | Big Decimal Calculator | |||
| 12414 | Calculating Yuan Fen | |||
| 12415 | Digit Patterns | |||
| 12416 | Excessive Space Remover | |||
| 12417 | Formula Editor | |||
| 12418 | Game of 999 | |||
| 12419 | Heap Manager | |||
| 12420 | Item-Based Recommendation | |||
| 12421 | (Jiandan) Mua (I) - Lexical Analyzer | |||
| 12422 | (Kengdie) Mua (II) - Expression Evaluator | |||
| 12423 | (Last) Mua(III) - Full Interpreter | |||
| 12424 | Answering Queries on a Tree | |||
| 12425 | Best Friend | |||
| 12426 | Counting Triangles | |||
| 12427 | Donkey of the Sultan | |||
| 12428 | Enemy at the Gates | |||
| 12429 | Finding Magic Triplets | |||
| 12430 | Grand Wedding | |||
| 12431 | Happy 10/9 Day | |||
| 12432 | Inked Carpets | |||
| 12433 | Rent a Car | |||
| 12434 | Infinite Stable Integer | |||
| 12435 | Consistent Verdicts | |||
| 12436 | Rip Van Winkle's Code | |||
| 12437 | Kisu Pari Na 2 | |||
| 12438 | Farey Polygon | |||
| 12439 | February 29 | |||
| 12440 | Save the Trees | |||
| 12441 | Superb Sequence | |||
| 12442 | Forwarding Emails | |||
| 12443 | Quad | |||
| 12444 | Bits and Pieces | |||
| 12445 | Happy 12 | |||
| 12446 | How Many... in 3D! | |||
| 12447 | Pieces and Bits | |||
| 12448 | Casino Advantage | |||
| 12449 | Night Market | |||
| 12450 | SpaceRecon Tournament | |||
| 12451 | Let's call SPaDe a SPaDe | |||
| 12452 | Plants vs. Zombies HD SP | |||
| 12453 | Simulating Billiard Ball | |||
| 12471 | Association of Strings | |||
| 12472 | Binary Substring | |||
| 12473 | Common Palindrome | |||
| 12474 | Draw and Score | |||
| 12475 | Elliptic Athletics Track | |||
| 12476 | Fun with Binary Tree | |||
| 12477 | Good Measures of Dispersion | |||
| 12478 | Hardest Problem Ever (Easy) | |||
| 12479 | Interesting Route | |||
| 12480 | Just Some Permutations | |||
| 12481 | K-Neutral Rectangles | |||
| 12494 | Distinct Substring | |||
| 12495 | 'C' for Count | |||
| 12496 | Fisherman's Dilemma | |||
| 12497 | Chatgaiya Postman Problem | |||
| 12498 | Ant's Shopping Mall | |||
| 12499 | I am Dumb 3 | |||
| 12500 | Balance the Blocks | |||
| 12501 | Bulky process of bulk reduction | |||
| 12502 | Three Families | |||
| 12503 | Robot Instructions | |||
| 12504 | Updating a Dictionary | |||
| 12505 | Searching in sqrt(n) | |||
| 12506 | Shortest Names | |||
| 12507 | Kingdoms | |||
| 12508 | Triangles in the Grid | |||
| 12509 | Tin Cutter II | |||
| 12510 | Collecting Coins | |||
| 12511 | Virus | |||
| 12512 | Cross-Shaped Tests | |||
| 12513 | Safe Places | |||
| 12534 | Binary Matrix 2 | |||
| 12535 | Probability Through Experiments | |||
| 12536 | Optimal Spaceway | |||
| 12537 | Radiation | |||
| 12538 | Version Controlled IDE | |||
| 12539 | Ultimate Device | |||
| 12544 | Beehives | |||
| 12545 | Bits Equalizer | |||
| 12546 | LCM Pair Sum | |||
| 12547 | RNA Secondary Structure | |||
| 12548 | Old School Days | |||
| 12554 | A Special "Happy Birthday" Song!!! | |||
| 12555 | Baby Me | |||
| 12556 | "Center" of perimeter midpoints | |||
| 12557 | Detecting Code Snippets | |||
| 12558 | Egyptian Fractions (HARD version) | |||
| 12559 | Finding Black Circles | |||
| 12560 | Good Friends | |||
| 12561 | Hadamard Gate | |||
| 12562 | In an effort to Change History | |||
| 12563 | Jin Ge Jin Qu hao | |||
| 12564 | King of Fighters explained | |||
| 12565 | Lovely Magical Curves | |||
| 12566 | Melody "Creation" | |||
| 12567 | Never7, Ever17 and Water | |||
| 12568 | Optimizing Key Signatur | |||
| 12569 | Planning mobile robot on Tree (EASY Version) | |||
| 12570 | Qualle? Quale? | |||
| 12571 | Brother & Sisters! | |||
| 12572 | RMQ Overkill | |||
| 12573 | Sohel Sir's Assignment | |||
| 12574 | VOID | |||
| 12575 | Sin Cos Problem | |||
| 12576 | Simply Loopy | |||
| 12577 | Hajj-e-Akbar | |||
| 12578 | 10:6:2 | |||
| 12579 | To Infinity and Beyond | |||
| 12580 | Yell Classico | |||
| 12581 | Divisibility | |||
| 12582 | Wedding of Sultan | |||
| 12583 | Memory Overflow | |||
| 12584 | Laptop Chargers | |||
| 12585 | Poker End Games | |||
| 12586 | Overlapping Characters | |||
| 12587 | Reduce the Maintenance Cost | |||
| 12588 | Team Mathematics Olympiad | |||
| 12589 | Learning Vector | |||
| 12590 | Guards II | |||
| 12591 | Beauty of Regular Polyhedron | |||
| 12592 | Slogan Learning of Princess | |||
| 12593 | Next Generation Macaw | |||
| 12594 | Naming Babies | |||
| 12595 | Galactic Transmission | |||
| 12596 | Recursive Texting | |||
| 12597 | Macaw Baby Learns Computer | |||
| 12598 | Starting School | |||
| 12599 | Black and White | |||
| 12600 | Counting Necklaces | |||
| 12601 | Toll Management II | |||
| 12602 | Nice Licence Plates | |||
| 12603 | Bouncing Bowling Ball | |||
| 12604 | Caesar Cipher | |||
| 12605 | Ripple Effect | |||
| 12606 | Evaluating Logic Expressions | |||
| 12607 | Amazing Maze | |||
| 12608 | Garbage Collection | |||
| 12609 | Sequential Thinking | |||
| 12610 | Attractive Grid | |||
| 12611 | Beautiful Flag | |||
| 12612 | Cube Killer | |||
| 12613 | Distinct Substring 2 | |||
| 12614 | Earn For Future | |||
| 12615 | Fantastic Network | |||
| 12616 | Gymman vs Fila | |||
| 12617 | How Lader | |||
| 12618 | I Puzzle You | |||
| 12619 | Just Make A Wish | |||
| 12627 | Erratic Expansion | |||
| 12628 | Two Triangles in 3D | |||
| 12629 | Rectangle XOR Game | |||
| 12630 | Equilateral Triangle in a Triangle Grid | |||
| 12631 | Chocolate and Money | |||
| 12632 | Sum of Totatives | |||
| 12633 | Super Rooks on Chessboard | |||
| 12634 | Pairing Boys and Girls | |||
| 12635 | Bisection Method | |||
| 12636 | Disguised Giveaway | |||
| 12699 | See Emily Play | |||
| 12700 | Banglawash | |||
| 12701 | The Twin Head Dragon | |||
| 12702 | Dilation | |||
| 12703 | Little Rakin | |||
| 12704 | Little Masters | |||
| 12705 | Breaking Board | |||
| 12706 | Zero-Knowledge Protocol | |||
| 12707 | Block Meh | |||
| 12708 | GCD The Largest | |||
| 12709 | Falling Ants | |||
| 12710 | Game of MJ | |||
| 12711 | Game of Throne | |||
| 12712 | Pattern Locker | |||
| 12713 | Pearl Chains | |||
| 12714 | Two Points Revisited | |||
| 12715 | Watching the Kangaroo | |||
| 12716 | GCD XOR | |||
| 12717 | Fiasco | |||
| 12718 | Dromicpalin Substrings | |||
| 12719 | Fill the Cuboid | |||
| 12720 | Algorithm of Phil | |||
| 12721 | Cheap B-Subsequence | |||
| 12722 | Cryptography of the Floating Key | |||
| 12723 | Dudu, the Possum | |||
| 12724 | Hnelpig Arnde | |||
| 12725 | Fat and Orial | |||
| 12726 | One Friend at a Time | |||
| 12727 | The Sightseeing Tour | |||
| 12728 | Super Circumference | |||
| 12729 | Squares Game | |||
| 12730 | Skyrk's Bar | |||
| 12731 | Mysterious Space Station | |||
| 12732 | Guess the Fake Coin | |||
| 12733 | Guess the Fake Coin II | |||
| 12734 | Guess the String | |||
| 12735 | Guess the Missing Number | |||
| 12736 | Guess the Convex Polygon | |||
| 12737 | Team star, Team moon | |||
| 12738 | Explore the Dune | |||
| 12739 | Xmas Gift | |||
| 12740 | Stone Age | |||
| 12741 | Weights of Toys | |||
| 12742 | Mining in Starcraft | |||
| 12760 | Arcurve's Big Project | |||
| 12761 | Blue Chips | |||
| 12762 | Counting P-Hulls | |||
| 12763 | Dicey Dice | |||
| 12764 | Exercising Emoticons | |||
| 12765 | Factorial Products | |||
| 12766 | Grinding Grid | |||
| 12767 | Harvesting Crops | |||
| 12768 | Inspired Procrastination | |||
| 12769 | Kool Konstructions | |||
| 12771 | Meeting Point of Circles | |||
| 12818 | Arc and Point | |||
| 12819 | Block Toy | |||
| 12820 | Cool Word | |||
| 12821 | Double Shortest Paths | |||
| 12822 | Extraordinarily large LED | |||
| 12823 | Four coloring of a map | |||
| 12824 | Giving directions to the tree | |||
| 12825 | Happy Robot | |||
| 12826 | Incomplete Chessboard | |||
| 12827 | Just another pachinko-like machine | |||
| 12828 | Kick the ball! | |||
| 12829 | Just another pachinko-like machine (II) | |||
| 12830 | A Football Stadium | |||
| 12831 | Bob the Builder | |||
| 12832 | Chicken Lover | |||
| 12833 | Daily Potato | |||
| 12834 | Extreme Terror | |||
| 12835 | Fitting Pipes Again | |||
| 12836 | Gain Battle Power | |||
| 12837 | Hasmot Ali Professor | |||
| 12838 | Identity Redemption | |||
| 12839 | Judge in Queue | |||
| 12929 | Aerial Tramway | |||
| 12930 | Bigger or Smaller | |||
| 12931 | Common Area | |||
| 12932 | Defeat the Wrong Program | |||
| 12933 | Easy Graph Problem? | |||
| 12934 | Factorial Division | |||
| 12935 | Graph Guessing | |||
| 12936 | Hehe | |||
| 12937 | Internet of Lights and Switches | |||
| 12938 | Just Another Easy Problem | |||
| 12939 | Keep Fit! | |||
| 12993 | Morphing Bitmaps | |||
| 12994 | Palindromic Bases | |||
| 12995 | Farey Sequence | |||
| 12996 | Ultimate Mango Challenge | |||
| 12997 | Train Station | |||
| 12998 | Tree Weights | |||
| 12999 | Defense Plan | |||
| 13000 | VIP Treatment | |||
| 13001 | Jumping Frogs | |||
| 13002 | Just Some Permutation 5 | |||
| 13003 | Toll Management (III) |