Problems
| Problem | Category | Types | Points | AC % | Users | |
|---|---|---|---|---|---|---|
| Three Subarrays | Olympiads School | Intermediate Math | 20p | 10.7% | 6 | |
| Circular Swap | Olympiads School | Data Structures | 25p | 7.3% | 5 | |
| The Extra Node | Olympiads School | Graph Theory | 17p | 12.4% | 14 | |
| Adjacent Pairs | Olympiads School | Ad Hoc, Data Structures | 15p | 10.7% | 20 | |
| Weight Assignment | Olympiads School | Data Structures, Graph Theory | 25p | 5.4% | 5 | |
| Permutation Sorting | Olympiads School | Data Structures | 20p | 18.2% | 17 | |
| Tree Journey | Olympiads School | Graph Theory | 12p | 49.3% | 33 | |
| Infinity Card Decks | Olympiads School | Data Structures, Greedy Algorithms | 15p | 13.4% | 14 | |
| City Travel | Olympiads School | Graph Theory | 15p | 17.8% | 25 | |
| Three Colors | Olympiads School | Graph Theory | 12p | 48.2% | 37 | |
| Three Nodes | Olympiads School | Graph Theory | 17p | 11.2% | 16 | |
| 0-1 Sequence | Olympiads School | Dynamic Programming | 15p | 20.6% | 4 | |
| 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 | 30.8% | 55 | |
| Matchings | POI | Graph Theory, Implementation | 30p | 15.2% | 3 | |
| Mailing Origami | Uncategorized | Geometry | 20 | 9.1% | 67 | |
| Returning Home | Uncategorized | String Algorithms | 10 | 23.0% | 79 | |
| One Small Favour | Uncategorized | Ad Hoc | 10p | 1.2% | 17 | |
| Another Small Favour | Uncategorized | Implementation | 15p | 5.3% | 9 | |
| OTHS Coding Competition 1 (Mock CCC) J1 - Math Assistance | Uncategorized | Simple Math | 3 | 71.7% | 385 | |
| OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection | Uncategorized | Implementation, Simple Math | 3 | 57.2% | 335 | |
| OTHS Coding Competition 1 (Mock CCC) J3 - Explosion | Uncategorized | Implementation | 5p | 35.7% | 252 | |
| OTHS Coding Competition 1 (Mock CCC) J4 - Railgun | Uncategorized | Data Structures, Implementation | 7p | 23.7% | 177 | |
| OTHS Coding Competition 1 (Mock CCC) J5 - Scavenger Hunt | Uncategorized | Graph Theory | 10p | 20.3% | 71 | |
| BlueBook - Cross Country | BlueBook | Implementation | 3 | 42.8% | 1318 | |
| BlueBook - Cost | BlueBook | Implementation, Simple Math | 3 | 20.8% | 725 | |
| BlueBook - Direction | BlueBook | Implementation | 3 | 40.2% | 911 | |
| BlueBook - Pay | BlueBook | Simple Math | 3 | 20.2% | 393 | |
| BlueBook - Change | BlueBook | Greedy Algorithms, Implementation | 3 | 9.1% | 200 | |
| BlueBook - Times Tables | BlueBook | Implementation | 3 | 54.6% | 1506 | |
| BlueBook - Max is Last | BlueBook | Implementation | 3 | 41.2% | 526 | |
| BlueBook - Interest | BlueBook | Implementation, Simple Math | 3 | 28.6% | 591 | |
| BlueBook - World Pop | BlueBook | Implementation, Simple Math | 3 | 28.7% | 495 | |
| BlueBook - Power Base | BlueBook | Implementation, Simple Math | 3 | 40.2% | 571 | |
| BlueBook - Powers of 2 | BlueBook | Simple Math | 3 | 36.4% | 691 | |
| BlueBook - Find the Character | BlueBook | Implementation | 3 | 39.2% | 605 | |
| BlueBook - Column of Numbers | BlueBook | Implementation | 3 | 42.7% | 712 | |
| BlueBook - Pop Explosion | BlueBook | Implementation, Simple Math | 3 | 58.3% | 424 | |
| BlueBook - Digits and Sums | BlueBook | Implementation, Simple Math | 3 | 54.7% | 451 | |
| BlueBook - Exact Divisors | BlueBook | Implementation | 3 | 64.4% | 985 | |
| BlueBook - 10 Primes on a Line | BlueBook | Implementation, Simple Math | 5 | 26.7% | 432 | |
| BlueBook - Bills Bills Bills | BlueBook | Implementation, Simple Math | 7 | 13.7% | 148 | |
| BlueBook - Max | BlueBook | Implementation | 3 | 21.2% | 452 | |
| BlueBook - Payment | BlueBook | Implementation | 3 | 56.6% | 424 | |
| BlueBook - Mode | BlueBook | Implementation | 3 | 32.8% | 378 | |
| BlueBook - Magic Square | BlueBook | Implementation | 3 | 40.2% | 251 | |
| BlueBook - Triangle | BlueBook | Implementation, Simple Math | 3 | 48.7% | 327 | |
| BlueBook - Sieve | BlueBook | Implementation, Simple Math | 5 | 59.1% | 453 | |
| BlueBook - Voting | BlueBook | Implementation | 3 | 53.5% | 482 |