| #5601 | Streets AheadNorth Central NA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022 | |
| #5602 | Sun and MoonRocky Mountain Regional 2022North Central NA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5603 | Three DiceMid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5604 | Triangle ContainmentRocky Mountain Regional 2022North Central NA Regional 2022Mid-Central USA Regional 2022Mid-Atlantic USA Regional 2022Southeast USA Regional 2022South Central USA Regional 2022Pacific Northwest Regional 2022 | |
| #5605 | A-Mazing PuzzleEast Central NA Regional 2022 | |
| #5606 | A Musical QuestionEast Central NA Regional 2022 | |
| #5607 | Cribbage On SteroidsEast Central NA Regional 2022 | |
| #5608 | Determining Nucleotide AssortmentsEast Central NA Regional 2022 | |
| #5609 | Hilbert's Hedge MazeEast Central NA Regional 2022 | |
| #5610 | It's About TimeEast Central NA Regional 2022 | |
| #5611 | Pea PatternEast Central NA Regional 2022 | |
| #5612 | Picking Up SteamEast Central NA Regional 2022 | |
| #5613 | Road To SavingsEast Central NA Regional 2022 | |
| #5614 | Simple SolitaireEast Central NA Regional 2022 | |
| #5615 | Two Charts Become OneEast Central NA Regional 2022 | |
| #5616 | Which Warehouse?East Central NA Regional 2022 | |
| #5617 | Height OrderingGreater New York Regional 2014 | |
| #5618 | Islands in the Data StreamGreater New York Regional 2014 | |
| #5619 | Floating-Point Format ConversionGreater New York Regional 2014 | |
| #5620 | Happy Happy Prime PrimeGreater New York Regional 2014 | |
| #5621 | MancalaGreater New York Regional 2014 | |
| #5622 | A Rational SequenceGreater New York Regional 2014 | |
| #5623 | Growing Rectangular SpiralGreater New York Regional 2014 | |
| #5624 | Farey SumsGreater New York Regional 2014 | |
| #5625 | The Queen's Super-circular PatioGreater New York Regional 2014 | |
| #5626 | Sum Kind of ProblemGreater New York Regional 2015 | |
| #5627 | Running StepsGreater New York Regional 2015 | |
| #5628 | Immortal PorpoisesGreater New York Regional 2015 | |
| #5629 | Farey Sequence LengthGreater New York Regional 2015 | |
| #5630 | A Rational SequenceGreater New York Regional 2015 | |
| #5631 | RobotsGreater New York Regional 2015 | |
| #5632 | CompositionGreater New York Regional 2015 | |
| #5633 | Brocard Point of a TriangleGreater New York Regional 2015 | |
| #5634 | RATSGreater New York Regional 2015 | |
| #5635 | Which Base is it Anyway?Greater New York Regional 2016 | |
| #5636 | FBI Universal Control NumbersGreater New York Regional 2016 | |
| #5637 | M-ary PartitionsGreater New York Regional 2016 | |
| #5638 | A Rational Sequence (Take 3)Greater New York Regional 2016 | |
| #5639 | Permutation Descent CountsGreater New York Regional 2016 | |
| #5640 | Tight-Fit SudokuGreater New York Regional 2016 | |
| #5641 | Magical Mystery Knight's TourGreater New York Regional 2016 | |
| #5642 | DA-SortGreater New York Regional 2016 | |
| #5643 | A Mazing!Greater New York Regional 2016Unavailable | |
| #5644 | Smoothed GardensGreater New York Regional 2016 | |
| #5645 | Walking BoySWERC 2022 | |
| #5646 | Uniform ChemistrySWERC 2022 | |
| #5647 | Another Wine Tasting EventSWERC 2022 | |
| #5648 | Crossing the RailwaysSWERC 2022 | |
| #5649 | Spinach PizzaSWERC 2022Interactive | |
| #5650 | Beppa and SwerChatSWERC 2022 | |
| #5651 | Parmigiana With SeafoodSWERC 2022 | |
| #5652 | ControllersSWERC 2022 | |
| #5653 | Library gameSWERC 2022Interactive | |
| #5654 | Italian Data CentersSWERC 2022 | |
| #5655 | Train SplittingSWERC 2022 | |
| #5656 | Vittorio Plays with LEGO BricksSWERC 2022 | |
| #5657 | Hungry CowUSACO 2023 February Contest Platinum | |
| #5658 | Problem SettingUSACO 2023 February Contest Platinum | |
| #5659 | Watching CowflixUSACO 2023 February Contest Platinum | |
| #5660 | Simplified Genome TranslationTaoyuan Regional 2022 | |
| #5661 | Multi-LaddersTaoyuan Regional 2022 | |
| #5662 | Distance CalculatorTaoyuan Regional 2022 | |
| #5663 | Tangle: A DAG for storing transactionsTaoyuan Regional 2022 | |
| #5664 | Printing StickersTaoyuan Regional 2022 | |
| #5665 | AA Country and King DreamoonTaoyuan Regional 2022 | |
| #5666 | Repetitive ElementsTaoyuan Regional 2022 | |
| #5667 | Meeting PlacesTaoyuan Regional 2022 | |
| #5668 | Cell Nuclei DetectionTaoyuan Regional 2022 | |
| #5669 | Traveling in Jade CityTaoyuan Regional 2022 | |
| #5670 | Group GuestsTaoyuan Regional 2022 | |
| #5671 | Programmable VirusTaoyuan Regional 2022 | |
| #5672 | Connectivity ProblemTaoyuan Regional 2022 | |
| #5673 | CornholeGreater New York Regional 2022 | |
| #5674 | Sum of RemaindersGreater New York Regional 2022 | |
| #5675 | QuotdokuGreater New York Regional 2022 | |
| #5676 | Counting Pythagorean TriplesGreater New York Regional 2022 | |
| #5677 | Clarissa's Conical CannolisGreater New York Regional 2022 | |
| #5678 | Busy As a BeeGreater New York Regional 2022 | |
| #5679 | Linked TrianglesGreater New York Regional 2022 | |
| #5680 | You You See What?Greater New York Regional 2022 | |
| #5681 | Caravan Trip PlansGreater New York Regional 2022 | |
| #5682 | PSETGreater New York Regional 2022 | |
| #5683 | 大富翁THUPC 2023 初赛 | |
| #5684 | 拧螺丝THUPC 2023 初赛 | |
| #5685 | 快速 LCM 变换THUPC 2023 初赛 | |
| #5686 | 种苹果THUPC 2023 初赛 | |
| #5687 | 速战速决THUPC 2023 初赛 | |
| #5688 | 公平合作THUPC 2023 初赛 | |
| #5689 | 喵了个喵 IITHUPC 2023 初赛 | |
| #5690 | 背包THUPC 2023 初赛 | |
| #5691 | 乱西星上的空战THUPC 2023 初赛 | |
| #5692 | LIAR GAME!THUPC 2023 初赛 | |
| #5693 | 众数THUPC 2023 初赛 | |
| #5694 | 最后的活动THUPC 2023 初赛 | |
| #5695 | 世界杯THUPC 2023 初赛 | |
| #5696 | 时空旅行CTSC 2016 Day 1CTS 2016 Day 1 | |
| #5697 | 萨菲克斯·阿瑞CTSC 2016 Day 1CTS 2016 Day 1 | |
| #5698 | NOIP 十合一CTSC 2016 Day 1CTS 2016 Day 1Output Only | |
| #5699 | 单调上升路径CTSC 2016 Day 2CTS 2016 Day 2 | |
| #5700 | 香山的树CTSC 2016 Day 2CTS 2016 Day 2 | |