| #7801 | First Solved, Last CodedNWRRC 2023 | |
| #7802 | Game of NimNWRRC 2023 | |
| #7803 | H-Shaped FiguresNWRRC 2023 | |
| #7804 | Intersegment ActivationNWRRC 2023 | |
| #7805 | Jumping FrogsNWRRC 2023 | |
| #7806 | Kitchen TimerNWRRC 2023 | |
| #7807 | LoopsNWRRC 2023 | |
| #7808 | Missing VowelsNWRRC 2023 | |
| #7809 | 小苹果CSP-J 2023 | |
| #7810 | 公路CSP-J 2023 | |
| #7811 | 一元二次方程CSP-J 2023 | |
| #7812 | 旅游巴士CSP-J 2023 | |
| #7813 | 密码锁CSP-S 2023 | |
| #7814 | 消消乐CSP-S 2023 | |
| #7815 | 结构体CSP-S 2023 | |
| #7816 | 种树CSP-S 2023 | |
| #7817 | ВирусологияWest Siberian Regional 2022 | |
| #7818 | Жизнь по правиламWest Siberian Regional 2022 | |
| #7819 | Красочные часыWest Siberian Regional 2022 | |
| #7820 | Черно-белый квадратWest Siberian Regional 2022 | |
| #7821 | СлонопотамыWest Siberian Regional 2022 | |
| #7822 | МишеньWest Siberian Regional 2022 | |
| #7823 | Два броскаWest Siberian Regional 2022 | |
| #7824 | ЛягушкаWest Siberian Regional 2022 | |
| #7825 | Основы программированияWest Siberian Regional 2022 | |
| #7826 | Американские горкиWest Siberian Regional 2022 | |
| #7827 | Какая разницаWest Siberian Regional 2022 | |
| #7828 | ПалиндромWest Siberian Regional 2022 | |
| #7829 | Equal DigitsPetrozavodsk Summer 2018 Day 7 | |
| #7830 | Remove the TreePetrozavodsk Summer 2018 Day 7 | |
| #7831 | Unseen SegmentsPetrozavodsk Summer 2018 Day 7 | |
| #7832 | Road ConnectivityPetrozavodsk Summer 2018 Day 7 | |
| #7833 | Binary StringPetrozavodsk Summer 2018 Day 7Interactive | |
| #7834 | Fair CompetitionPetrozavodsk Summer 2018 Day 7Interactive | |
| #7835 | Token and DicePetrozavodsk Summer 2018 Day 7Interactive | |
| #7836 | Convex RegionPetrozavodsk Summer 2018 Day 7Interactive | |
| #7837 | 挑战积和式2023 集训队互测 Round 11 | |
| #7838 | 往日之影2023 集训队互测 Round 11 | |
| #7839 | 虹2023 集训队互测 Round 11 | |
| #7840 | Assessment DisruptionUKIEPC 2023 | |
| #7841 | Boat CommuterUKIEPC 2023 | |
| #7842 | Clearing SpaceUKIEPC 2023 | |
| #7843 | Delivery ForcesUKIEPC 2023 | |
| #7844 | Enchanted FortressUKIEPC 2023 | |
| #7845 | Fast ForwardUKIEPC 2023 | |
| #7846 | Glacier TravelUKIEPC 2023 | |
| #7847 | History in NumbersUKIEPC 2023 | |
| #7848 | International TravelUKIEPC 2023 | |
| #7849 | Journey of RecoveryUKIEPC 2023 | |
| #7850 | Kernel SchedulerUKIEPC 2023 | |
| #7851 | Last One StandingUKIEPC 2023 | |
| #7852 | Mini-Tetris 3023UKIEPC 2023 | |
| #7853 | Naming Wine BottlesUKIEPC 2023 | |
| #7854 | 这不是一道数据结构题2023 集训队互测 Round 12 | |
| #7855 | 不跳棋2023 集训队互测 Round 12 | |
| #7856 | goods2023 集训队互测 Round 12 | |
| #7857 | (-1,1)-SumpleteMacau Regional 2023 | |
| #7858 | Basic Equation SolvingMacau Regional 2023 | |
| #7859 | BladestormMacau Regional 2023 | |
| #7860 | Graph of Maximum Degree 3Macau Regional 2023 | |
| #7861 | Inverse Topological SortMacau Regional 2023 | |
| #7862 | Land TradeMacau Regional 2023 | |
| #7863 | Parity GameMacau Regional 2023Interactive | |
| #7864 | Random Tree ParkingMacau Regional 2023 | |
| #7865 | Refresher into MidasMacau Regional 2023 | |
| #7866 | TeleportationMacau Regional 2023 | |
| #7867 | UnderstandMacau Regional 2023Interactive | |
| #7868 | 天空度假山庄2023 集训队互测 Round 13 | |
| #7869 | 建设终末树2023 集训队互测 Round 13 | |
| #7870 | 童话2023 集训队互测 Round 13 | |
| #7871 | 命运2023 集训队互测 Round 14 | |
| #7872 | 崩坏天际线2023 集训队互测 Round 14 | |
| #7873 | Since A Light2023 集训队互测 Round 14 | |
| #7874 | SQRT ProblemHefei Regional 2023 | |
| #7875 | Queue SortingHefei Regional 2023 | |
| #7876 | Cyclic SubstringsHefei Regional 2023 | |
| #7877 | Balanced ArrayHefei Regional 2023 | |
| #7878 | Matrix DistancesHefei Regional 2023 | |
| #7879 | Colorful BalloonsHefei Regional 2023 | |
| #7880 | Streak ManipulationHefei Regional 2023 | |
| #7881 | Computational ComplexityHefei Regional 2023 | |
| #7882 | Linguistics PuzzleHefei Regional 2023 | |
| #7883 | Takeout DeliveringHefei Regional 2023 | |
| #7884 | Campus PartitionHefei Regional 2023 | |
| #7885 | Information SpreadHefei Regional 2023 | |
| #7886 | Not Another Eulerian Number Problem | |
| #7887 | How to Identify My Name | |
| #7894 | Many Many HeadsJinan Regional 2023 | |
| #7895 | Graph Partitioning 2Jinan Regional 2023 | |
| #7896 | Turn on the Light 2Jinan Regional 2023 | |
| #7897 | Largest DigitJinan Regional 2023 | |
| #7898 | I Just Want... One More...Jinan Regional 2023 | |
| #7899 | Say Hello to the FutureJinan Regional 2023 | |
| #7900 | Gifts from KnowledgeJinan Regional 2023 | |