ID Problem Show tags Hide tags AC / Tried Difficulty
13616 P13629  [NWRRC 2021] Boris and Berta 0 / 0 2
13618 P13631  [NWRRC 2021] Day Streak 0 / 0 6
13619 P13632  [NWRRC 2021] Extreme Problem 0 / 0 (None)
13621 P13634  [NWRRC 2021] Grand Center 0 / 0 (None)
13623 P13636  [NWRRC 2021] Imprecise Permutation Sort 0 / 0 (None)
13624 P13637  [NWRRC 2021] Journey in Fog 0 / 0 (None)
13625 P13638  [NWRRC 2021] Kaleidoscopic Route 0 / 0 4
13627 P13640  [NWRRC 2021] Multithreaded Program 0 / 0 (None)
13628 P13641  [NWRRC 2021] New White-Black Tree 0 / 0 (None)
13032 P13643  Guess 0 / 0 5
13540 P13652  [CERC 2020] Bank Robbery 0 / 0 6
13542 P13654  [CERC 2020] Excavation 0 / 0 4
13543 P13655  [CERC 2020] Tobacco Growing 0 / 0 4
13548 P13660  [CERC 2020] Roof Escape 0 / 0 6
13635 P13669  [GCPC 2023] DnD Dice 0 / 0 3
13636 P13670  [GCPC 2023] Eszett 0 / 0 1
13639 P13673  [GCPC 2023] Highway Combinatorics 0 / 0 6
13649 P13678  [GCPC 2023] Mischievous Math 0 / 0 2
13085 P13689  【MX-X16-T7】「DLESS-3」XOR and Generalized Linear Independence 0 / 0 7
13318 P13690  [CEOI 2025] boardgames 0 / 0 7
13673 P13695  [CEOI 2025] theseus 0 / 0 7
13653 P13701  [NWERC 2023] Brickwork 0 / 0 6
13655 P13703  [NWERC 2023] Date Picker 0 / 0 3
13657 P13705  [NWERC 2023] Fixing Fractions 0 / 0 4
13658 P13706  [NWERC 2023] Galaxy Quest 0 / 0 6
13659 P13707  [NWERC 2023] Higher Arithmetic 0 / 0 4
13661 P13709  [NWERC 2023] Jogging Tour 0 / 0 5
13663 P13711  [NWERC 2023] Lateral Damage 0 / 0 2
12983 P13713  晴天 0 / 0 3
13688 P13720  [GCPC 2024] Even Odd Game 0 / 0 5
13694 P13721  [GCPC 2024] Fair Fruitcake Fragmenting 0 / 0 7
13695 P13722  [GCPC 2024] Geometric Gridlock 0 / 0 5
13699 P13725  [GCPC 2024] Jigsaw Present 0 / 0 6
13330 P13732  【MGVOI R1-D】图上的数(graph) 0 / 0 5
13713 P13746  [NWERC 2024] Hash Collision 0 / 0 4
13715 P13748  [NWERC 2024] Jib Job 0 / 0 2
13716 P13749  [NWERC 2024] Kruidnoten 0 / 0 4
13718 P13751  [NWERC 2024] Mouse Trap 0 / 0 5
13674 P13756  【MX-X17-T5】Matrix 0 / 0 6
13568 P13762  Extended Fibonacci 0 / 0 3
13737 P13770  [CERC 2021] Radar 0 / 0 4
13738 P13771  [CERC 2021] Regional development 0 / 0 5
13741 P13774  [CERC 2021] Systematic salesman 0 / 0 6
13025 P13775  「o.OI R2」nextmin 0 / 0 2
13036 P13779  「o.OI R2」试机题 0 / 0 6
13745 P13782  [eJOI 2022] Where Is the Root? 0 / 0 5
13746 P13783  [eJOI 2022] Bounded Spanning Tree 0 / 0 6
13749 P13786  [eJOI 2022] LCS of Permutations 0 / 0 7
13772 P13794  [SWERC 2023] Metro quiz 0 / 0 6
13781 P13803  [SWERC 2023] Broken trophy 0 / 0 5
13762 P13809  [CERC 2022] Denormalization 0 / 0 3
13764 P13811  [CERC 2022] Greedy Drawers 0 / 0 4
13766 P13813  [CERC 2022] Money Laundering 0 / 0 6
13393 P13820  「LDOI R3」村村振兴 0 / 0 5
12980 P13836  微观戏剧(Constructive ver.) 0 / 0 3
12981 P13837  GCD 与 LCM 问题 - 副本 0 / 0 5
12982 P13838  世界沉睡童话Nirvana 0 / 0 (None)
12989 P13839  talent 0 / 0 (None)
13795 P13846  [CERC 2023] Ball Passing 0 / 0 3
13800 P13851  [CERC 2023] Going to the Moon 0 / 0 4
13802 P13853  [CERC 2023] Interactive Reconstruction[Can't judge yet] 0 / 0 6
13803 P13854  [CERC 2023] Jumbled Stacks 0 / 0 5
13804 P13855  [CERC 2023] Keys 0 / 0 5
13805 P13856  [CERC 2023] Labelled Paths 0 / 0 6
13820 P13859  [SWERC 2020] Safe Distance 0 / 0 4
13824 P13863  [SWERC 2020] Decoration 0 / 0 5
13826 P13865  [SWERC 2020] Emails 0 / 0 4
13830 P13869  [SWERC 2020] Fantasmagorie 0 / 0 6
13814 P13897  [CSPro 28] 现值计算 0 / 0 1
13809 P13910  [CSPro 26] 归一化处理 0 / 0 2
13813 P13914  [CSPro 26] PS 无限版 0 / 0 6
13755 P13919  [PO Final 2024] 黑暗密室 / The Dark Chambers of Chalmers 0 / 0 7
13756 P13920  [PO Final 2024] 冰场之舞 / The Ice Puzzle 0 / 0 6
13757 P13921  [PO Final 2024] 回家 / Trafikverket's Mistake 0 / 0 6
13807 P13926  [POKATT 2024] 猫和老鼠 / KATT:s and rats 0 / 0 (None)
13808 P13927  [POKATT 2024] 路牌 / Signs 0 / 0 (None)
13884 P13940  [EC Final 2019] Dirichlet k-th root 0 / 0 6
13887 P13943  [EC Final 2019] Game 0 / 0 6
13890 P13946  [EC Final 2019] Moon 0 / 0 7
13869 P13952  [ICPC 2023 Nanjing R] 交并比 0 / 0 7
13872 P13955  [ICPC 2023 Nanjing R] 延伸距离 0 / 0 7
13873 P13956  [ICPC 2023 Nanjing R] 等价重写 0 / 0 3
13875 P13958  [ICPC 2023 Nanjing R] 谜题:问号 0 / 0 7
13915 P13966  [VKOSHP 2024] Intermediate Verticality 0 / 0 (None)
13923 P13974  [VKOSHP 2024] Petya's Cryptography 0 / 0 (None)
13895 P13985  [PO Final 2023] 通胀 / Inflation 0 / 0 1
13906 P13986  [PO Final 2023] 降重 / Synonyms 0 / 0 1
13911 P13989  [PO Final 2023] 锯木 / The Sawmill 0 / 0 (None)
13049 P13998  【MX-X19-T7】「LAOI-14」夜に駆ける 0 / 0 7
13943 P14001  [eJOI 2025] Prison 0 / 0 6
13944 P14002  [eJOI 2025] Navigation 0 / 0 7
13705 P14005  「florr IO Round 1」棋盘游戏 0 / 0 3
12998 P14007  「florr IO Round 1」查询游戏 0 / 0 5
13948 P14012  [POCamp 2023] 枫树 / Maple Tree 0 / 0 6
13957 P14020  [ICPC 2024 Nanjing R] 二叉树 0 / 0 4
13961 P14024  [ICPC 2024 Nanjing R] 纸条 0 / 0 4
13962 P14025  [ICPC 2024 Nanjing R] P ⊕ Q = R 0 / 0 7
13963 P14026  [ICPC 2024 Nanjing R] Ordainer of Inexorable Judgment 0 / 0 6
13926 P14029  【MX-X20-T3】「FAOI-R7」重排序列(update) 0 / 0 3
13566 P14030  【MX-X20-T4】「FAOI-R7」连接时光 I 0 / 0 5

Categories

Lucky

Pick a problem randomly based on the current filter.