Problem Archive
| Problem | Round | Date | Categories | Div 1 | Div 2 |
|---|---|---|---|---|---|
| PalindromePhrases | SRM 439 | 2009-04-30 | Dynamic Programming | 500 65% | |
| PalindromeFactory | SRM 439 | 2009-04-30 | Dynamic Programming, Simple Search, Iteration | 1000 34% | |
| UnluckyNumbers | SRM 438 | 2009-04-18 | Math, Simple Search, Iteration, Sorting | 250 30% | |
| FeudaliasBattle | SRM 438 | 2009-04-18 | Brute Force, Simulation | 500 23% | |
| UnluckyIntervals | SRM 438 | 2009-04-18 | Greedy, Search | 250 25% | |
| EndlessStringMachine | SRM 438 | 2009-04-18 | Recursion, Simulation, String Parsing | 500 28% | 1000 0% |
| FeudaliasWar | SRM 438 | 2009-04-18 | Graph Theory, Search | 1000 29% | |
| TheSwap | SRM 437 | 2009-03-24 | Recursion, Simple Search, Iteration | 250 36% | 500 7% |
| ThePower | SRM 437 | 2009-03-24 | Search | 1000 2% | |
| TheBeauty | SRM 437 | 2009-03-24 | Simulation | 250 97% | |
| TheSum | SRM 437 | 2009-03-24 | Dynamic Programming | 1000 25% | |
| TheInteger | SRM 437 | 2009-03-24 | Dynamic Programming | 500 39% | |
| FriendScore | SRM 436 | 2009-03-11 | Graph Theory | 250 61% | |
| DigitsSwap | SRM 436 | 2009-03-11 | Simple Math, Simple Search, Iteration | 1000 9% | |
| BestView | SRM 436 | 2009-03-11 | Math | 250 80% | 500 63% |
| DoNotTurn | SRM 436 | 2009-03-11 | Graph Theory | 500 52% | |
| CircularShifts | SRM 436 | 2009-03-11 | Math | 1000 27% | |
| FractalWheels | TCO09 Championship | 2009-02-24 | Graph Theory, Recursion | 250 25% | |
| ArrayTransformations | TCO09 Championship | 2009-02-24 | Greedy, Search | 500 33% | |
| TheBoredJohn | TCO09 Championship | 2009-02-24 | Dynamic Programming, Simple Math | 1000 75% | |
| SequenceSum | TCO09 Semifinal | 2009-02-24 | Dynamic Programming, Search, String Manipulation | 1000 33% | |
| Automaton | TCO09 Semifinal | 2009-02-24 | Math, String Manipulation | 500 75% | |
| ChuckContest | TCO09 Round 4 | 2009-02-24 | Dynamic Programming | 500 25% | |
| SaveTheTrees | TCO09 Round 3 | 2009-02-24 | Brute Force, Geometry, Greedy | 250 79% | |
| KthProbableElement | TCO09 Round 1 | 2009-02-24 | Dynamic Programming, Math | 500 89% | |
| PlaneFractal | TCO09 Round 2 | 2009-02-24 | Brute Force, Simple Math | 250 92% | |
| BidirectionalQueue | TCO09 Qual 3 | 2009-02-24 | Simulation | 250 88% | |
| RepaintTheChessboard | TCO09 Qual 2 | 2009-02-24 | Brute Force, Simple Search, Iteration | 250 95% | |
| PageNumbers | TCO09 Qual 2 | 2009-02-24 | Brute Force, Recursion, Simple Math, Simple Search, Iteration | 500 64% | |
| MismatchedStrings | TCO09 Qual 3 | 2009-02-24 | Dynamic Programming | 1000 45% | |
| ConnectingAirports | TCO09 Round 2 | 2009-02-24 | Graph Theory, Greedy | 1000 26% | |
| DigitalCounter | TCO09 Qual 2 | 2009-02-24 | Dynamic Programming, Greedy, Search | 1000 45% | |
| NumberGraph | TCO09 Round 5 | 2009-02-24 | Graph Theory, Math | 1000 100% | |
| Unicorn | TCO09 Round 1 | 2009-02-24 | Dynamic Programming | 1000 45% | |
| CubeOfDice | TCO09 Round 4 | 2009-02-24 | Greedy, Math, Sorting | 250 66% | |
| PawnsAndKings | TCO09 Round 5 | 2009-02-24 | Dynamic Programming | 250 86% | |
| YetAnotherStonesGame | TCO09 Round 3 | 2009-02-24 | Dynamic Programming, Graph Theory | 1000 21% | |
| SequenceSums | TCO09 Round 1 | 2009-02-24 | Math, Simple Search, Iteration | 250 87% | |
| CampaignTrail | TCO09 Round 3 | 2009-02-24 | Dynamic Programming, Simple Math | 500 86% | |
| PrimePairs | TCO09 Qual 1 | 2009-02-24 | Dynamic Programming | 1000 55% | |
| ExtendableTriangles | TCO09 Round 2 | 2009-02-24 | Brute Force, Geometry, Greedy | 500 32% | |
| PerfectPowers | TCO09 Semifinal | 2009-02-24 | Search, Simple Math, Sorting | 250 83% | |
| ShadowArea | TCO09 Round 4 | 2009-02-24 | Geometry | 1000 100% | |
| PrettyPrintASpiral | TCO09 Qual 3 | 2009-02-24 | Brute Force, Simple Math | 500 71% | |
| SquareFreeNumbers | TCO09 Qual 1 | 2009-02-24 | Math | 500 55% | |
| SortingWithPermutation | TCO09 Qual 1 | 2009-02-24 | Sorting | 250 95% | |
| LineOfDice | TCO09 Round 5 | 2009-02-24 | Math | 500 90% | |
| SkiFriction | SRM 435 | 2009-02-12 | Simulation | 250 95% | |
| CellRemoval | SRM 435 | 2009-02-12 | Graph Theory, Simple Search, Iteration | 250 96% | 500 83% |
| BirdsCounting | SRM 435 | 2009-02-12 | Dynamic Programming, Math | 1000 66% |