| #19501 | KolonieCTU Open Contest 2014 | |
| #19502 | MostCTU Open Contest 2014 | |
| #19503 | StavitelCTU Open Contest 2014 | |
| #19504 | LoděCTU Open Contest 2014 | |
| #19505 | Direct VisibilityCTU Open Contest 2014 | |
| #19506 | Karel the RobotCTU Open Contest 2014 | |
| #19507 | More or Less AccurateCTU Open Contest 2014 | |
| #19508 | Self-Intersecting PathCTU Open Contest 2014 | |
| #19509 | Lengthy Traveling SalesmanCTU Open Contest 2014 | |
| #19510 | Picture ValidatorCTU Open Contest 2014 | |
| #19511 | Chasing the CheetahsCTU Open Contest 2015 | |
| #19512 | Falcon DiveCTU Open Contest 2015 | |
| #19513 | The Fox and the OwlCTU Open Contest 2015 | |
| #19514 | Feeding the HerringsCTU Open Contest 2015 | |
| #19515 | Jumping YoshiCTU Open Contest 2015 | |
| #19516 | Lunch MenuCTU Open Contest 2015 | |
| #19517 | The Owl and the FoxCTU Open Contest 2015 | |
| #19518 | Plankton FoodCTU Open Contest 2015 | |
| #19519 | Hacking the ScreenCTU Open Contest 2015 | |
| #19520 | Visitors' TrainCTU Open Contest 2015 | |
| #19521 | Amusement AnticipationCTU Open Contest 2017 | |
| #19522 | Pond CascadeCTU Open Contest 2017 | |
| #19523 | Chessboard DancingCTU Open Contest 2017 | |
| #19524 | Equinox Roller CoasterCTU Open Contest 2017 | |
| #19525 | Forest PictureCTU Open Contest 2017 | |
| #19526 | Shooting GalleryCTU Open Contest 2017 | |
| #19527 | Ice cream samplesCTU Open Contest 2017 | |
| #19528 | Dark Ride with MonstersCTU Open Contest 2017 | |
| #19529 | Go Northwest!CTU Open Contest 2017 | |
| #19530 | Punching PowerCTU Open Contest 2017 | |
| #19531 | Treetop WalkwayCTU Open Contest 2017 | |
| #19532 | ArrayCTU Open Contest 2022 | |
| #19533 | CanoesCTU Open Contest 2022 | |
| #19534 | EarthquakeCTU Open Contest 2022 | |
| #19535 | JournalsCTU Open Contest 2022 | |
| #19536 | MowerCTU Open Contest 2022 | |
| #19537 | NeedleCTU Open Contest 2022 | |
| #19538 | PatioCTU Open Contest 2022 | |
| #19539 | RobotsCTU Open Contest 2022 | |
| #19540 | ShamansCTU Open Contest 2022 | |
| #19541 | TransmitterCTU Open Contest 2022 | |
| #19542 | VolcanoesCTU Open Contest 2022 | |
| #19543 | WagonCTU Open Contest 2022 | |
| #19544 | Beth’s CookiesCTU Open Contest 2023 | |
| #19545 | ClubbingCTU Open Contest 2023 | |
| #19546 | DigitalisationCTU Open Contest 2023 | |
| #19547 | ExpressionsCTU Open Contest 2023 | |
| #19548 | FragmentationCTU Open Contest 2023 | |
| #19549 | Golem Coordinated DerbyCTU Open Contest 2023 | |
| #19550 | HamsterCTU Open Contest 2023 | |
| #19551 | MoversCTU Open Contest 2023 | |
| #19552 | NatatoriumCTU Open Contest 2023 | |
| #19553 | ProgluteCTU Open Contest 2023 | |
| #19554 | Screamers in the StormCTU Open Contest 2023 | |
| #19555 | WallCTU Open Contest 2023 | |
| #19556 | Flag BearerCTU Open Contest 2024 | |
| #19557 | CowpproximationCTU Open Contest 2024 | |
| #19558 | Reptile EggsCTU Open Contest 2024 | |
| #19559 | FishceptionCTU Open Contest 2024 | |
| #19560 | Pigpartite GiraffeCTU Open Contest 2024 | |
| #19561 | HamsterCTU Open Contest 2024 | |
| #19562 | Pray MinkCTU Open Contest 2024 | |
| #19563 | OrnithologyCTU Open Contest 2024 | |
| #19564 | P||k CuttingCTU Open Contest 2024 | |
| #19565 | Rabid RabbitCTU Open Contest 2024 | |
| #19566 | Fellow SheepCTU Open Contest 2024 | |
| #19567 | WatchdogsCTU Open Contest 2024 | |
| #19568 | Goldbach's ConjectureTokyo Regional 1998 | |
| #19569 | Lattice PracticesTokyo Regional 1998 | |
| #19570 | Mobile Phone CoverageTokyo Regional 1998 | |
| #19571 | Napoleon's GrumbleTokyo Regional 1998 | |
| #19572 | Pipeline SchedulingTokyo Regional 1998 | |
| #19573 | Triangle PartitionTokyo Regional 1998 | |
| #19574 | BUT We Need a DiagramTokyo Regional 1998 | |
| #19575 | Digital Racing CircuitTokyo Regional 1998 | |
| #19576 | Rational IrrationalsKyoto Regional 1999 | |
| #19577 | Square CoinsKyoto Regional 1999 | |
| #19578 | Die GameKyoto Regional 1999 | |
| #19579 | TrapezoidsKyoto Regional 1999 | |
| #19580 | Mirror IllusionKyoto Regional 1999 | |
| #19581 | Heavenly JewelsKyoto Regional 1999 | |
| #19582 | Walking AntKyoto Regional 1999 | |
| #19583 | Co-occurrence SearchKyoto Regional 1999 | |
| #19584 | Lost in SpaceTsukuba Regional 2000 | |
| #19585 | Family TreeTsukuba Regional 2000 | |
| #19586 | Push!!Tsukuba Regional 2000 | |
| #19587 | Pump up BatteriesTsukuba Regional 2000 | |
| #19588 | The Devil of GravityTsukuba Regional 2000 | |
| #19589 | NumoebaTsukuba Regional 2000 | |
| #19590 | TelescopeTsukuba Regional 2000 | |
| #19591 | Ether GeometryTsukuba Regional 2000 | |
| #19592 | Starship Hakodate-maruHakodate Regional 2001 | |
| #19593 | e-MarketHakodate Regional 2001 | |
| #19594 | FishnetHakodate Regional 2001 | |
| #19595 | 77377Hakodate Regional 2001 | |
| #19596 | BeehivesHakodate Regional 2001 | |
| #19597 | Young, Poor and BusyHakodate Regional 2001 | |
| #19598 | NimHakodate Regional 2001 | |
| #19599 | Super StarHakodate Regional 2001 | |
| #19600 | Calling Extraterrestrial Intelligence AgainKanazawa Regional 2002 | |