432 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
19419 P13930   [蓝桥杯 2022 省 Java B] 字符统计 0 / 0 3
19396 P13959   [ICPC 2023 Nanjing R] 计数器 0 / 0 3
19451 P13977   数列分块入门 2 0 / 0 7
19452 P13978   数列分块入门 3 0 / 0 7
19518 P14040   [PAIO 2025] Exhibition 0 / 0 6
19520 P14066   [PO Final 2022] 分组 / Triangeltal 0 / 0 7
19567 P14085   [ICPC 2023 Seoul R] Apricot Seeds 0 / 0 8
19308 P14167   [Algo Beat Contest 002.5 B] 草莓小蛋糕 (cakes) 0 / 0 3
18299 P14174   【MX-X23-T4】卡常数 0 / 0 6
19638 P14218   [ICPC 2024 Kunming I] 金牌 0 / 0 3
19684 P14232   [COI 2011] 排序 / SORT 0 / 0 6
19693 P14271   ABC428F 加强版 0 / 0 8
19739 P14297   [JOI2023 预选赛 R2] 年龄之差 / Age Difference 0 / 0 1
19740 P14298   [JOI2023 预选赛 R2] JOI 运动会 / JOI04 0 / 0 5
19493 P14306   【MX-J27-T3】旋律 0 / 0 5
19774 P14352   排序 0 / 0 6
19791 P14357   [CSP-J 2025] 拼数 0 / 0 3
19792 P14358   [CSP-J 2025] 座位 0 / 0 3
19795 P14361   [CSP-S 2025] 社团招新 2 / 10 5
20020 P14635   [NOIP2025] 糖果店 1 / 18 5
19530 P14660   你不孤单，我们都在 0 / 0 6
20173 P14785   [NERC 2025] Doorway 0 / 0 6
20174 P14786   [NERC 2025] Elevator Against Humanity 0 / 0 8
20283 P14904   [NHSPC 2024] 計程車叫車問題 0 / 0 3
18610 P14915   「QFOI R3」算法竞赛 0 / 0 5
18657 P14934   「FAOI-R10」Add Problem 0 / 0 3
18330 P14958   「KWOI R1」Permutation Problem 0 / 0 3
18423 P14971   『GTOI - 2B』DDoS 0 / 0 5
18365 P14988   多边形 0 / 0 5
20392 P15026   [UOI 2021 II Stage] 商店 0 / 0 3
20416 P15052   [UOI 2023 II Stage] Memory training 0 / 0 5
20472 P15127   [ROIR 2026] 比赛结果 0 / 0 3

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