| #6801 | BlackjackMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6802 | Yet Another Geometry ProblemMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6803 | A Math ProblemMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6804 | GaokaoMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6805 | Data StructureMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6806 | LandlordMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6807 | Travel DreamMoscow Pre-Finals Workshop 2020 Day 5 | |
| #6808 | LilyCCPC Guilin 2022 | |
| #6809 | Code With No ForcesCCPC Guilin 2022 | |
| #6810 | Array ConcatenationCCPC Guilin 2022 | |
| #6811 | Alice's DollsCCPC Guilin 2022 | |
| #6812 | Draw a triangleCCPC Guilin 2022 | |
| #6813 | Union of Circular SectorsCCPC Guilin 2022 | |
| #6814 | Group HomeworkCCPC Guilin 2022 | |
| #6815 | Hysteretic RacingCCPC Guilin 2022 | |
| #6816 | Invincible HotwheelsCCPC Guilin 2022 | |
| #6817 | Permutation PuzzleCCPC Guilin 2022 | |
| #6818 | Barrel TheoryCCPC Guilin 2022 | |
| #6819 | Largest Unique WinsCCPC Guilin 2022 | |
| #6820 | Youth FinaleCCPC Guilin 2022 | |
| #6821 | Another A+B ProblemShanghai Collegiate Programming Contest 2022 | |
| #6822 | Bracket QueryShanghai Collegiate Programming Contest 2022 | |
| #6823 | Coffee OverdoseShanghai Collegiate Programming Contest 2022 | |
| #6824 | Demonstrational SequencesShanghai Collegiate Programming Contest 2022 | |
| #6825 | Expenditure ReductionShanghai Collegiate Programming Contest 2022 | |
| #6826 | Forest of MagicShanghai Collegiate Programming Contest 2022 | |
| #6827 | Gua!Shanghai Collegiate Programming Contest 2022 | |
| #6828 | Heirloom PaintingShanghai Collegiate Programming Contest 2022 | |
| #6829 | It Takes Two of TwoShanghai Collegiate Programming Contest 2022 | |
| #6830 | Just Some Bad MemoryShanghai Collegiate Programming Contest 2022 | |
| #6831 | Known as the Fruit BrotherShanghai Collegiate Programming Contest 2022 | |
| #6832 | Last Warning of the Competition Finance OfficerShanghai Collegiate Programming Contest 2022 | |
| #6833 | My University Is Better Than YoursShanghai Collegiate Programming Contest 2022 | |
| #6834 | Nine Is Greater Than TenShanghai Collegiate Programming Contest 2022 | |
| #6835 | A Hero Named MagnusCCPC Guilin 2021 | |
| #6836 | A Plus B ProblemCCPC Guilin 2021 | |
| #6837 | AC AutomatonCCPC Guilin 2021 | |
| #6838 | Assumption is All You NeedCCPC Guilin 2021 | |
| #6839 | Buy and DeleteCCPC Guilin 2021 | |
| #6840 | Illuminations IICCPC Guilin 2021 | |
| #6841 | Occupy the CitiesCCPC Guilin 2021 | |
| #6842 | Popcount WordsCCPC Guilin 2021 | |
| #6843 | PTSDCCPC Guilin 2021 | |
| #6844 | Suffix AutomatonCCPC Guilin 2021 | |
| #6845 | TaxCCPC Guilin 2021 | |
| #6846 | Wiring EngineeringCCPC Guilin 2021 | |
| #6847 | Hide-And-Seek Game2023 Multi-University Training Contest 1 | |
| #6848 | City Upgrading2023 Multi-University Training Contest 1 | |
| #6849 | Mr. Liang play Card Game2023 Multi-University Training Contest 1 | |
| #6850 | Amazing spacecraft2023 Multi-University Training Contest 1 | |
| #6851 | Cyclically Isomorphic2023 Multi-University Training Contest 1 | |
| #6852 | Escape The Maze2023 Multi-University Training Contest 1 | |
| #6853 | Travel2023 Multi-University Training Contest 1 | |
| #6854 | Umamusume2023 Multi-University Training Contest 1 | |
| #6855 | Assertion2023 Multi-University Training Contest 1 | |
| #6856 | Easy problem I2023 Multi-University Training Contest 1 | |
| #6857 | Easy problem II2023 Multi-University Training Contest 1 | |
| #6858 | Play on Tree2023 Multi-University Training Contest 1 | |
| #6859 | Alice Game2023 Multi-University Training Contest 2 | |
| #6860 | Binary Number2023 Multi-University Training Contest 2 | |
| #6861 | Counter Strike2023 Multi-University Training Contest 2 | |
| #6862 | Card Game2023 Multi-University Training Contest 2 | |
| #6863 | Or2023 Multi-University Training Contest 2 | |
| #6864 | Fencing the cows2023 Multi-University Training Contest 2 | |
| #6865 | foreverlasting and fried-chicken2023 Multi-University Training Contest 2 | |
| #6866 | Hello World 3 Pro Max2023 Multi-University Training Contest 2 | |
| #6867 | String Problem2023 Multi-University Training Contest 2 | |
| #6868 | Klee likes making friends2023 Multi-University Training Contest 2 | |
| #6869 | SPY finding NPY2023 Multi-University Training Contest 2 | |
| #6870 | Coin2023 Multi-University Training Contest 2 | |
| #6871 | Turret2023 Multi-University Training Contest 2 | |
| #6872 | Magma Cave2023 Multi-University Training Contest 3 | |
| #6873 | King's Ruins2023 Multi-University Training Contest 3 | |
| #6874 | Leshphon2023 Multi-University Training Contest 3 | |
| #6875 | Chaos Begin2023 Multi-University Training Contest 3 | |
| #6876 | Out of Control2023 Multi-University Training Contest 3 | |
| #6877 | Dragon Seal2023 Multi-University Training Contest 3 | |
| #6878 | Casino Royale2023 Multi-University Training Contest 3 | |
| #6879 | Teyberrs2023 Multi-University Training Contest 3 | |
| #6880 | Operation Hope2023 Multi-University Training Contest 3 | |
| #6881 | The Mine of Abyss2023 Multi-University Training Contest 3 | |
| #6882 | 8-bit Zoom2023 Multi-University Training Contest 3 | |
| #6883 | Noblesse Code2023 Multi-University Training Contest 3 | |
| #6884 | Number Table2023 Multi-University Training Contest 4 | |
| #6885 | Simple Tree Problem2023 Multi-University Training Contest 4 | |
| #6886 | Simple Set Problem2023 Multi-University Training Contest 4 | |
| #6887 | Data Generation2023 Multi-University Training Contest 4 | |
| #6888 | Teyvat2023 Multi-University Training Contest 4 | |
| #6889 | PSO2023 Multi-University Training Contest 4 | |
| #6890 | Guess2023 Multi-University Training Contest 4 | |
| #6891 | String and GCD2023 Multi-University Training Contest 4 | |
| #6892 | WO MEI K2023 Multi-University Training Contest 4 | |
| #6893 | Kong Ming Qi2023 Multi-University Training Contest 4 | |
| #6894 | Circuit2023 Multi-University Training Contest 4 | |
| #6895 | a-b Problem2023 Multi-University Training Contest 4 | |