Problems
| Problem | Category | Types | Points | AC % | Users | |
|---|---|---|---|---|---|---|
| Bob's Shortest Non-common Substring | Olympiads School | Dynamic Programming | 20p | 17.9% | 11 | |
| Bob's Longest Common Path | Olympiads School | Data Structures, Graph Theory | 25p | 6.3% | 5 | |
| Bob's Kingdom | Olympiads School | Greedy Algorithms | 12p | 16.2% | 28 | |
| The Subset | Olympiads School | Dynamic Programming, Intermediate Math | 20p | 18.2% | 10 | |
| Circular Knapsack Problem | Olympiads School | Data Structures, Dynamic Programming | 25p | 8.6% | 8 | |
| Maximum Deviation Spanning Tree | Olympiads School | Graph Theory | 25p | 3.8% | 4 | |
| Bob's Farm | Uncategorized | Data Structures, Dynamic Programming | 20p | 31.7% | 8 | |
| Least Multiple | Olympiads School | Intermediate Math | 10p | 8.1% | 38 | |
| Three Subarrays | Olympiads School | Intermediate Math | 20p | 10.7% | 6 | |
| Circular Swap | Olympiads School | Data Structures | 25p | 5.9% | 5 | |
| The Extra Node | Olympiads School | Graph Theory | 17p | 13.4% | 15 | |
| Adjacent Pairs | Olympiads School | Ad Hoc, Data Structures | 15p | 10.4% | 22 | |
| Weight Assignment | Olympiads School | Data Structures, Graph Theory | 25p | 5.4% | 5 | |
| Permutation Sorting | Olympiads School | Data Structures | 20p | 20.3% | 19 | |
| Tree Journey | Olympiads School | Graph Theory | 12p | 50.0% | 35 | |
| Infinity Card Decks | Olympiads School | Data Structures, Greedy Algorithms | 15p | 15.1% | 18 | |
| City Travel | Olympiads School | Graph Theory | 15p | 17.8% | 25 | |
| Three Colors | Olympiads School | Graph Theory | 12p | 48.2% | 38 | |
| Three Nodes | Olympiads School | Graph Theory | 17p | 11.6% | 19 | |
| 0-1 Sequence | Olympiads School | Dynamic Programming | 15p | 21.6% | 5 | |
| Olympic Scoring | Uncategorized | Simple Math | 3 | 13.4% | 136 | |
| Longest Up-Down Subsequence | POI | Greedy Algorithms | 12p | 30.1% | 131 | |
| A Fenwick Tree Question | Olympiads School | Data Structures | 15 | 31.2% | 64 | |
| Matchings | POI | Graph Theory, Implementation | 30p | 15.2% | 3 | |
| Mailing Origami | Uncategorized | Geometry | 20 | 9.1% | 67 | |
| Returning Home | Uncategorized | String Algorithms | 10 | 23.1% | 80 | |
| One Small Favour | Uncategorized | Ad Hoc | 10p | 1.1% | 17 | |
| Another Small Favour | Uncategorized | Implementation | 15p | 5.3% | 9 | |
| OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance | Uncategorized | Simple Math | 3 | 64.5% | 422 | |
| OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection | Uncategorized | Implementation, Simple Math | 3 | 57.1% | 345 | |
| OTHS Coding Competition 1 (Mock CCC) J3 - Explosion | Uncategorized | Implementation | 5p | 35.5% | 256 | |
| OTHS Coding Competition 1 (Mock CCC) J4 - Railgun | Uncategorized | Data Structures, Implementation | 7p | 23.5% | 181 | |
| OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt | Uncategorized | Graph Theory | 10p | 20.6% | 74 | |
| OTHS Coding Competition 2 P1 - Chess Pieces | Uncategorized | Implementation | 3 | 57.7% | 314 | |
| OTHS Coding Competition 2 P2 - Ghoul Investigators | Uncategorized | Implementation | 3p | 47.6% | 254 | |
| OTHS Coding Competition 2 P3 - Tally Clicker | Uncategorized | Greedy Algorithms, Simple Math | 5 | 39.1% | 229 | |
| OTHS Coding Competition 2 P4 - Magic Barrier | Uncategorized | Implementation | 5p | 36.5% | 169 | |
| OTHS Coding Competition 2 P5 - Coffee Jelly | Uncategorized | Graph Theory | 7 | 38.8% | 150 | |
| BlueBook - Cross Country | BlueBook | Implementation | 3 | 42.9% | 1329 | |
| BlueBook - Cost | BlueBook | Implementation, Simple Math | 3 | 20.8% | 730 | |
| BlueBook - Direction | BlueBook | Implementation | 3 | 39.6% | 924 | |
| BlueBook - Pay | BlueBook | Simple Math | 3 | 20.2% | 398 | |
| BlueBook - Change | BlueBook | Greedy Algorithms, Implementation | 3 | 9.3% | 211 | |
| BlueBook - Times Tables | BlueBook | Implementation | 3 | 54.6% | 1530 | |
| BlueBook - Max is Last | BlueBook | Implementation | 3 | 41.2% | 527 | |
| BlueBook - Interest | BlueBook | Implementation, Simple Math | 3 | 28.7% | 597 | |
| BlueBook - World Pop | BlueBook | Implementation, Simple Math | 3 | 28.6% | 509 | |
| BlueBook - Power Base | BlueBook | Implementation, Simple Math | 3 | 40.1% | 573 | |
| BlueBook - Powers of 2 | BlueBook | Simple Math | 3 | 36.4% | 703 | |
| BlueBook - Find the Character | BlueBook | Implementation | 3 | 39.2% | 608 |