| #8601 | Герої та МонстриUOI 2024 Stage IV Day 2 | |
| #8602 | Занулити пiдвiдрiзокUOI 2024 Stage IV Day 2Interactive | |
| #8627 | 归程THUSC 2022 Day 1 | |
| #8628 | 最大连续和THUSC 2022 Day 1 | |
| #8629 | 寻宝THUSC 2022 Day 1Communication | |
| #8630 | 字符树THUSC 2022 Day 1 | |
| #8631 | 疯狂THU | |
| #8632 | 算式密码锁 | |
| #8633 | 玩星铁玩的 | |
| #8634 | 求和 | |
| #8635 | 圆 | |
| #8636 | 伸展树 | |
| #8637 | 搬砖 | |
| #8638 | 排序 | |
| #8639 | 消除 | |
| #8640 | Fish 3JOISC 2024 Day 1JOIST 2024 Day 1 | |
| #8641 | Ski 2JOISC 2024 Day 1JOIST 2024 Day 1 | |
| #8642 | Spy 3JOISC 2024 Day 1JOIST 2024 Day 1Communication | |
| #8643 | Board GameJOISC 2024 Day 2JOIST 2024 Day 2 | |
| #8644 | Tricolor LightsJOISC 2024 Day 2JOIST 2024 Day 2Communication | |
| #8645 | Growing Vegetables is Fun 5JOISC 2024 Day 2JOIST 2024 Day 2 | |
| #8646 | Card CollectionJOISC 2024 Day 3JOIST 2024 Day 3 | |
| #8647 | JOI TourJOISC 2024 Day 3JOIST 2024 Day 3Interactive | |
| #8648 | TowerJOISC 2024 Day 3JOIST 2024 Day 3 | |
| #8649 | Escape Route 2JOISC 2024 Day 4JOIST 2024 Day 4 | |
| #8650 | Island HoppingJOISC 2024 Day 4JOIST 2024 Day 4Interactive | |
| #8651 | Table TennisJOISC 2024 Day 4JOIST 2024 Day 4 | |
| #8652 | Abstract ArtEast Central NA Regional 2017 | |
| #8653 | CratersEast Central NA Regional 2017 | |
| #8654 | DRM MessagesEast Central NA Regional 2017 | |
| #8655 | Game of ThrownsEast Central NA Regional 2017 | |
| #8656 | Is-A? Has-A? Who Knowz-A?East Central NA Regional 2017 | |
| #8657 | Keeping On TrackEast Central NA Regional 2017 | |
| #8658 | A Question of IngestionEast Central NA Regional 2017 | |
| #8659 | Sheba’s AmoebasEast Central NA Regional 2017 | |
| #8660 | Twenty Four, AgainEast Central NA Regional 2017 | |
| #8661 | Workout for a DumbbellEast Central NA Regional 2017 | |
| #8668 | 回文路径PKUSC 2024 Day 1 | |
| #8669 | 正方形计数PKUSC 2024 Day 1 | |
| #8670 | 独立PKUSC 2024 Day 1 | |
| #8671 | 分流器PKUSC 2024 Day 2 | |
| #8672 | 排队PKUSC 2024 Day 2 | |
| #8673 | 最短路径PKUSC 2024 Day 2 | |
| #8674 | Riddle of the SphinxWorld Finals 2023World Finals 2022Interactive | |
| #8675 | ScheduleWorld Finals 2023 | |
| #8676 | Three Kinds of DiceWorld Finals 2023World Finals 2022 | |
| #8677 | Carl’s VacationWorld Finals 2023World Finals 2022 | |
| #8678 | A Recurring ProblemWorld Finals 2023 | |
| #8679 | Tilting TilesWorld Finals 2023 | |
| #8680 | Turning RedWorld Finals 2023World Finals 2022 | |
| #8681 | Jet LagWorld Finals 2023 | |
| #8682 | WaterworldWorld Finals 2023 | |
| #8683 | Bridging the GapWorld Finals 2023World Finals 2022 | |
| #8684 | Alea Iacta EstWorld Finals 2023 | |
| #8685 | Doing the Container ShuffleWorld Finals 2022 | |
| #8686 | Zoo ManagementWorld Finals 2022 | |
| #8687 | Toy Train TracksWorld Finals 2022 | |
| #8688 | QuartetsWorld Finals 2022 | |
| #8689 | CompressionWorld Finals 2022 | |
| #8690 | Archaeological RecoveryWorld Finals 2022 | |
| #8691 | Square Root PartitioningPetrozavodsk Summer 2019 Day 4 | |
| #8692 | Yet Another ConvolutionPetrozavodsk Summer 2019 Day 4 | |
| #8693 | Money SharingPetrozavodsk Summer 2019 Day 4 | |
| #8694 | Magic StringsPetrozavodsk Summer 2019 Day 4 | |
| #8695 | Decimal ExpansionPetrozavodsk Summer 2019 Day 4 | |
| #8696 | Cosmic CrossroadsPetrozavodsk Summer 2019 Day 4 | |
| #8697 | Warm UpPetrozavodsk Summer 2019 Day 4 | |
| #8698 | Defying GravityPetrozavodsk Summer 2019 Day 4 | |
| #8699 | From Modular to RationalPetrozavodsk Summer 2019 Day 4Interactive | |
| #8700 | Tree AutomorphismsPetrozavodsk Summer 2019 Day 4 | |