| #12401 | Fight against involutionJinan Regional 2020 | |
| #12402 | Tree TransformJinan Regional 2020 | |
| #12403 | Gcd ProductJinan Regional 2020 | |
| #12404 | Xor TransformationJinan Regional 2020 | |
| #12405 | Path KillerJinan Regional 2020 | |
| #12406 | Random Walk On TreeJinan Regional 2020 | |
| #12407 | Tree ConstructerJinan Regional 2020 | |
| #12408 | Kth QueryJinan Regional 2020 | |
| #12409 | Bit SequenceJinan Regional 2020 | |
| #12410 | Cook Pancakes!Jinan Regional 2020 | |
| #12411 | Asteroid MiningCCO 2025 Day 1 | |
| #12412 | Tree DecorationsCCO 2025 Day 1 | |
| #12413 | Balanced IntegerCCO 2025 Day 1 | |
| #12414 | Restaurant Recommendation RescueCCO 2025 Day 2 | |
| #12415 | Patrol RobotCCO 2025 Day 2 | |
| #12416 | Shopping DealsCCO 2025 Day 2 | |
| #12417 | VestigiumCode Jam 2020 Qualification | |
| #12418 | Nesting DepthCode Jam 2020 Qualification | |
| #12419 | Parenting Partnering ReturnsCode Jam 2020 Qualification | |
| #12420 | ESAb ATAdCode Jam 2020 QualificationInteractive | |
| #12421 | IndiciumCode Jam 2020 Qualification | |
| #12422 | Pattern MatchingCode Jam 2020 Round 1A | |
| #12423 | Pascal WalkCode Jam 2020 Round 1A | |
| #12424 | Square DanceCode Jam 2020 Round 1A | |
| #12425 | ExpogoCode Jam 2020 Round 1B | |
| #12426 | Blindfolded BullseyeCode Jam 2020 Round 1BInteractive | |
| #12427 | Join the RanksCode Jam 2020 Round 1B | |
| #12428 | Overexcited FanCode Jam 2020 Round 1C | |
| #12429 | OverrandomizedCode Jam 2020 Round 1C | |
| #12430 | Oversized Pancake ChoppersCode Jam 2020 Round 1C | |
| #12431 | Incremental House of PancakesCode Jam 2020 Round 2 | |
| #12432 | Security UpdateCode Jam 2020 Round 2 | |
| #12433 | Wormhole in OneCode Jam 2020 Round 2 | |
| #12434 | Emacs++Code Jam 2020 Round 2 | |
| #12435 | Naming CompromiseCode Jam 2020 Round 3 | |
| #12436 | ThermometersCode Jam 2020 Round 3 | |
| #12437 | Pen TestingCode Jam 2020 Round 3Interactive | |
| #12438 | RecalculatingCode Jam 2020 Round 3 | |
| #12439 | Pack the SlopesCode Jam 2020 World Finals | |
| #12440 | Adjacent and ConsecutiveCode Jam 2020 World Finals | |
| #12441 | Hexacoin JamCode Jam 2020 World Finals | |
| #12442 | Musical CordsCode Jam 2020 World Finals | |
| #12443 | Replace AllCode Jam 2020 World Finals | |
| #12444 | ReversortCode Jam 2021 Qualification Round | |
| #12445 | Moons and UmbrellasCode Jam 2021 Qualification Round | |
| #12446 | Reversort EngineeringCode Jam 2021 Qualification Round | |
| #12447 | Median SortCode Jam 2021 Qualification RoundInteractive | |
| #12448 | Cheating DetectionCode Jam 2021 Qualification Round | |
| #12449 | Append SortCode Jam 2021 Round 1A | |
| #12450 | Prime TimeCode Jam 2021 Round 1A | |
| #12451 | Hacked ExamCode Jam 2021 Round 1A | |
| #12452 | Broken ClockCode Jam 2021 Round 1B | |
| #12453 | SubtransmutationCode Jam 2021 Round 1B | |
| #12454 | Digit BlocksCode Jam 2021 Round 1BInteractive | |
| #12455 | Closest PickCode Jam 2021 Round 1C | |
| #12456 | Roaring YearsCode Jam 2021 Round 1C | |
| #12457 | Double or NOTingCode Jam 2021 Round 1C | |
| #12458 | Minimum SortCode Jam 2021 Round 2Interactive | |
| #12459 | MatrygonsCode Jam 2021 Round 2 | |
| #12460 | Hidden PancakesCode Jam 2021 Round 2 | |
| #12461 | RetilingCode Jam 2021 Round 2 | |
| #12462 | Build-A-PairCode Jam 2021 Round 3 | |
| #12463 | Square FreeCode Jam 2021 Round 3 | |
| #12464 | Fence DesignCode Jam 2021 Round 3 | |
| #12465 | Binary Search GameCode Jam 2021 Round 3 | |
| #12466 | Cutting CakeCode Jam 2021 World Finals | |
| #12467 | Slide CircuitsCode Jam 2021 World Finals | |
| #12468 | RopesCode Jam 2021 World FinalsInteractive | |
| #12469 | Divisible DivisionsCode Jam 2021 World Finals | |
| #12470 | InfinitreeCode Jam 2021 World Finals | |
| #12471 | Punched CardsCode Jam 2022 Qualification Round | |
| #12472 | 3D PrintingCode Jam 2022 Qualification Round | |
| #12473 | d1000000Code Jam 2022 Qualification Round | |
| #12474 | Chain ReactionsCode Jam 2022 Qualification Round | |
| #12475 | Twisty Little PassagesCode Jam 2022 Qualification RoundInteractive | |
| #12476 | Double or One ThingCode Jam 2022 Round 1A | |
| #12477 | Equal SumCode Jam 2022 Round 1A | |
| #12478 | WeightliftingCode Jam 2022 Round 1A | |
| #12479 | Pancake DequeCode Jam 2022 Round 1B | |
| #12480 | Controlled InflationCode Jam 2022 Round 1B | |
| #12481 | ASeDatAbCode Jam 2022 Round 1BInteractive | |
| #12482 | Letter BlocksCode Jam 2022 Round 1C | |
| #12483 | SquaryCode Jam 2022 Round 1C | |
| #12484 | IntranetsCode Jam 2022 Round 1C | |
| #12485 | Spiraling Into ControlCode Jam 2022 Round 2 | |
| #12486 | Pixelated CircleCode Jam 2022 Round 2 | |
| #12487 | Saving the JellyCode Jam 2022 Round 2 | |
| #12488 | I, O BotCode Jam 2022 Round 2 | |
| #12489 | Revenge of GoroSortCode Jam 2022 Round 3Interactive | |
| #12490 | Duck, Duck, GeeseCode Jam 2022 Round 3 | |
| #12491 | Mascot MazeCode Jam 2022 Round 3 | |
| #12492 | Win As SecondCode Jam 2022 Round 3Interactive | |
| #12493 | Colliding EncodingGoogle Coding Competition Farewell Round A | |
| #12494 | Illumination OptimizationGoogle Coding Competition Farewell Round A | |
| #12495 | Rainbow SortGoogle Coding Competition Farewell Round A | |
| #12496 | ASCII ArtGoogle Coding Competition Farewell Round A | |
| #12497 | UntieGoogle Coding Competition Farewell Round A | |
| #12498 | Collecting PancakesGoogle Coding Competition Farewell Round B | |
| #12499 | Intruder OutsmartingGoogle Coding Competition Farewell Round B | |
| #12500 | Spacious SetsGoogle Coding Competition Farewell Round B | |