Problem Archive
| Problem | Round | Date | Categories | Div 1 | Div 2 |
|---|---|---|---|---|---|
| WatchedSnail | SRM 810 | 2021-07-22 | Greedy, Math, Simulation, Sorting | 250 45% | 1000 13% |
| BiggestDuplicate | Rookie SRM 6 | 2021-07-14 | Sorting | 250 84% | |
| LinearSignals | Rookie SRM 6 | 2021-07-14 | Brute Force | 500 81% | |
| SlowTerrain | Rookie SRM 6 | 2021-07-14 | Graph Theory, Search | 1000 72% | |
| RectangleBreaking | SRM 809 | 2021-07-12 | Advanced Math, Dynamic Programming | 1000 76% | |
| TruckUnion | SRM 809 | 2021-07-12 | Dynamic Programming, Graph Theory | 500 71% | |
| LunchLine | SRM 809 | 2021-07-12 | Greedy, Simulation | 250 95% | 1000 70% |
| OptimalGolf | SRM 809 | 2021-07-12 | Geometry, Simple Math | 250 55% | |
| SimilarDNA | SRM 809 | 2021-07-12 | Brute Force, Dynamic Programming, Greedy | 500 54% | |
| IOIWeirdModel1 | SRM 808 | 2021-06-23 | Math, Sorting | 500 90% | |
| IOIVoting | SRM 808 | 2021-06-23 | Graph Theory | 250 83% | 1000 75% |
| IOIWeirdModel2 | SRM 808 | 2021-06-23 | Math, Simple Search, Iteration | 1000 85% | |
| IOIGuaranteedPlace | SRM 808 | 2021-06-23 | Simple Math, Sorting | 250 75% | |
| IOISureWinner | SRM 808 | 2021-06-23 | Dynamic Programming | 500 64% | |
| Flagpole | SRM 807 | 2021-06-07 | Brute Force, Dynamic Programming, Search, Sorting | 1000 60% | |
| DistancesBetweenNumbers | SRM 807 | 2021-06-07 | Graph Theory, Math | 1000 74% | |
| ContainsItsAverage | SRM 807 | 2021-06-07 | Simple Math, Simple Search, Iteration | 500 86% | |
| HangmanHelper | SRM 807 | 2021-06-07 | Brute Force, Simple Search, Iteration, String Manipulation | 250 94% | |
| SevenSegmentDisplayNim | SRM 806 | 2021-05-24 | Advanced Math, Dynamic Programming, Recursion | 1000 80% | |
| MostSubstrings | SRM 806 | 2021-05-24 | Dynamic Programming | 500 55% | |
| TransposeColors | SRM 806 | 2021-05-24 | Recursion, Simple Search, Iteration | 250 85% | 1000 46% |
| LimitedDifferences | SRM 806 | 2021-05-24 | Greedy, Simple Math, Sorting | 500 78% | |
| SudokuTypo | SRM 806 | 2021-05-24 | Brute Force, Simple Math | 250 88% | |
| LongestPalindrome | Rookie SRM 5 | 2021-05-12 | String Manipulation | 250 86% | |
| PickTwoCards | Rookie SRM 5 | 2021-05-12 | Math | 500 90% | |
| PointsInAPlane | Rookie SRM 5 | 2021-05-12 | Geometry, Math | 1000 42% | |
| TwoGalaxies | SRM 805 | 2021-05-06 | Geometry, Graph Theory | 1000 60% | |
| CubeTower | SRM 805 | 2021-05-06 | Greedy, Simple Math | 500 49% | |
| SubmultiplesOfN | SRM 805 | 2021-05-06 | Dynamic Programming | 500 92% | |
| ThreeDChessRooks | SRM 805 | 2021-05-06 | Math, Sorting | 250 39% | 1000 0% |
| GalleryIllumination | SRM 805 | 2021-05-06 | Brute Force, Simple Search, Iteration, Simulation | 250 76% | |
| MergeToSort | 2021 Regional 2 | 2021-04-13 | Dynamic Programming, Greedy, Math, Sorting | 500 30% | |
| ParkingSequences | 2021 Regional 2 | 2021-04-13 | Dynamic Programming, Math | 1000 84% | |
| AlmostOptimalBST | 2021 Regional 1 | 2021-04-13 | Dynamic Programming | 1000 81% | |
| TreeTokens | 2021 Regional 1 | 2021-04-13 | Graph Theory, Greedy, Math | 500 64% | |
| RestrictedSwaps | 2021 Regional 2 | 2021-04-13 | Graph Theory, Sorting | 250 86% | |
| OlympicShooting | 2021 Regional 1 | 2021-04-13 | Simulation, Sorting | 250 82% | |
| PigeonholeNim | TCO21 Round 4 | 2021-04-13 | Advanced Math, Dynamic Programming, Recursion | 1000 60% | |
| SecondLargestMultiple | TCO21 Round 4 | 2021-04-13 | Brute Force, Math, Recursion, Search | 500 26% | |
| MagicTrickWithCards | TCO21 Round 4 | 2021-04-13 | Math, Simulation | 250 89% | |
| AnnoyingPasswords | TCO21 Round 3 | 2021-04-13 | Dynamic Programming | 250 90% | |
| TowerPlacement | TCO21 Round 3 | 2021-04-13 | Graph Theory | 1000 43% | |
| AlternateOddEven | TCO21 Parallel 2B | 2021-04-13 | Dynamic Programming, Simple Math | 250 94% | |
| IncorrectCancellation | TCO21 Parallel 2B | 2021-04-13 | Brute Force, Math, Search | 1000 54% | |
| ConstantSegment | TCO21 Parallel 2B | 2021-04-13 | Brute Force, Greedy, Search, Sorting | 500 91% | |
| TheUltimatePackages | TCO21 Round 2A | 2021-04-13 | Graph Theory, Sorting | 500 50% | |
| TwoPolarStations | TCO21 Round 2A | 2021-04-13 | Dynamic Programming, Math | 1000 70% | |
| Antiqueen | 2021 TCO Parallel 1B | 2021-04-13 | Dynamic Programming | 1000 91% | |
| HIndex | 2021 TCO Parallel 1B | 2021-04-13 | Brute Force, Simple Math, Simple Search, Iteration | 250 76% | |
| RPSMagicTrick | TCO21 Round 2A | 2021-04-13 | Simple Math, Simulation | 250 92% |