| #5501 | Ctrl+C Ctrl+VAMPPZ 2022 | |
| #5502 | Dazzling MountainAMPPZ 2022 | |
| #5503 | Euclidean AlgorithmAMPPZ 2022 | |
| #5504 | Flower GardenAMPPZ 2022 | |
| #5505 | Great ChaseAMPPZ 2022 | |
| #5506 | HyperloopAMPPZ 2022 | |
| #5507 | InvestorsAMPPZ 2022 | |
| #5508 | Job for a HobbitAMPPZ 2022 | |
| #5509 | Kooky Tic-Tac-ToeAMPPZ 2022 | |
| #5510 | Line ReplacementsAMPPZ 2022 | |
| #5511 | Minor EvilAMPPZ 2022 | |
| #5512 | Stone Arranging 2JOI 2022/2023 | |
| #5513 | Advertisement 2JOI 2022/2023 | |
| #5514 | MazeJOI 2022/2023 | |
| #5515 | Cat ExerciseJOI 2022/2023 | |
| #5516 | Modern MachineJOI 2022/2023 | |
| #5517 | Adjacent Product SumOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5518 | Binary Arrays and Sliding SumsOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5519 | Count Hamiltonian CyclesOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5520 | Distance ParitiesOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5521 | Excellent XOR ProblemOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5522 | F*** 3-Colorable GraphsOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5523 | Graph Problem With Small $n$Osijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5524 | Help Me to Get This PublishedOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5525 | Increasing GridOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5526 | Jewel of Data Structure ProblemsOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5527 | King of SwappingOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5528 | Least Annoying Constructive ProblemOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5529 | Most Annoying Constructive ProblemOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5530 | No Zero-Sum SubsegmentOsijek Competitive Programming Camp 2023 Winter Day 1Anton Trygub Contest 1 | |
| #5531 | ICCCEOI 2016 Day 1Interactive | |
| #5532 | KangarooCEOI 2016 Day 1 | |
| #5533 | TrickCEOI 2016 Day 1Communication | |
| #5534 | MatchCEOI 2016 Day 2 | |
| #5535 | PopealaCEOI 2016 Day 2 | |
| #5536 | RouterCEOI 2016 Day 2Output Only | |
| #5537 | Storing EggsJakarta Regional 2022 | |
| #5538 | Magical BarrierJakarta Regional 2022 | |
| #5539 | Nightmare BrotherJakarta Regional 2022 | |
| #5540 | City HallJakarta Regional 2022 | |
| #5541 | Substring SortJakarta Regional 2022 | |
| #5542 | Doubled GCDJakarta Regional 2022 | |
| #5543 | The Only ModeJakarta Regional 2022 | |
| #5544 | Grid GameJakarta Regional 2022 | |
| #5545 | Contingency PlanJakarta Regional 2022 | |
| #5546 | Sharing BreadJakarta Regional 2022 | |
| #5547 | Short FunctionJakarta Regional 2022 | |
| #5548 | Increase the Toll FeesJakarta Regional 2022 | |
| #5549 | Game ShowJakarta Regional 2022 | |
| #5550 | JOIRISJOI Open Contest 2016 | |
| #5551 | Selling RNA StrandsJOI Open Contest 2016 | |
| #5552 | SkyscraperJOI Open Contest 2016 | |
| #5553 | Alternative ArchitectureGCPC 2022 | |
| #5554 | Breeding BugsGCPC 2022 | |
| #5555 | Chaotic ConstructionGCPC 2022 | |
| #5556 | Diabolic DoofenshmirtzGCPC 2022Interactive | |
| #5557 | Enjoyable EntreeGCPC 2022 | |
| #5558 | Formula FlatlandGCPC 2022 | |
| #5559 | Guessing GameGCPC 2022 | |
| #5560 | Hardcore HangmanGCPC 2022Interactive | |
| #5561 | Improving ITGCPC 2022 | |
| #5562 | Jesting JabberwockyGCPC 2022 | |
| #5563 | K.O. KidsGCPC 2022 | |
| #5564 | Lots of LandGCPC 2022 | |
| #5565 | Mirror MadnessGCPC 2022 | |
| #5566 | And Xor TreeOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5567 | Balanced PermutationsOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5568 | Cyclic ShiftsOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5569 | Distinct SubsequencesOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5570 | Epidemic EscapeOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5571 | Five Letter WarningOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5572 | GridlandiaOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5573 | Holiday RegiftingOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5574 | Julienne the DeckOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5575 | Knight's Tour ReduxOsijek Competitive Programming Camp 2023 Winter Day 8 | |
| #5576 | Advertising ICPCNorth Central NA Regional 2022Mid-Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5577 | AlchemyMid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5578 | Blueberry WaffleRocky Mountain Regional 2022Mid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022 | |
| #5579 | Bog of Eternal StenchNorth Central NA Regional 2022Mid-Central USA Regional 2022 | |
| #5580 | Branch ManagerRocky Mountain Regional 2022Mid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5581 | Champernowne CountRocky Mountain Regional 2022Mid-Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5582 | Chocolate Chip FabricationNorth Central NA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5583 | Color TubesRocky Mountain Regional 2022Mid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5584 | Counting SatellitesMid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5585 | Creative AccountingMid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5586 | Digits of UnityNorth Central NA Regional 2022Mid-Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5587 | Distinct Parity ExcessPacific Northwest Regional 2022 | |
| #5588 | Eroding PillarsMid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022 | |
| #5589 | Everything Is A NailRocky Mountain Regional 2022Mid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022 | |
| #5590 | Exponent ExchangeNorth Central NA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5591 | Fading WindMid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5592 | Family VisitsRocky Mountain Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022 | |
| #5593 | Food ProcessorRocky Mountain Regional 2022Mid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5594 | Greedy Increasing SubsequencesRocky Mountain Regional 2022 | |
| #5595 | Hunt the WumpusMid-Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5596 | I Could Have WonRocky Mountain Regional 2022Mid-Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5597 | Lone KnightMid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5598 | Profitable TripRocky Mountain Regional 2022 | |
| #5599 | Repetitive SongNorth Central NA Regional 2022 | |
| #5600 | Restaurant OpeningNorth Central NA Regional 2022Pacific Northwest Regional 2022 | |