549 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
11535 P11955  「ZHQOI R1」覆盖 0 / 0 5
11900 P11979  [KTSC 2021] 射击游戏 / gun 0 / 0 7
11811 P11983  [JOIST 2025] 展览会 3 / Exhibition 3 0 / 0 7
11892 P11993  [JOIST 2025] 迁移计划 / Migration Plan 0 / 0 6
11963 P12119  [NordicOI 2025] 垃圾收集 / Garbage Collection 0 / 0 5
12045 P12127  [蓝桥杯 2024 省 B 第二场] 最强小队 0 / 0 5
12066 P12145  [蓝桥杯 2025 省 A] 扫地机器人 0 / 0 5
11090 P12179  DerrickLo's Game (UBC002B) 0 / 0 5
11695 P12180  DerrickLo's City (UBC002C) 0 / 0 5
11959 P12194  [NOISG 2025 Prelim] Snacks 0 / 0 4
11624 P12247  跳舞机 0 / 0 4
11002 P12263  『STA - R9』回听 0 / 0 5
12247 P12347  [蓝桥杯 2025 省 A 第二场] 栈与乘积 0 / 0 4
12162 P12361  [eJOI 2024] 糖果售卖 / Sweets 0 / 0 5
12259 P12372  [蓝桥杯 2022 省 Python B] 最优清零方案 0 / 0 4
11020 P12389  COmPoUNdS 0 / 0 5
10941 P12406  「CZOI-R3」消除序列 0 / 0 5
12327 P12473  [集训队互测 2024] 基础 01? 练习题 0 / 0 7
12329 P12475  [集训队互测 2024] 路径计数 0 / 0 7
12332 P12478  [集训队互测 2024] Désive 0 / 0 7
12333 P12480  [集训队互测 2024] Classical Counting Problem 0 / 0 7
12337 P12485  [集训队互测 2024] PM 大师 0 / 0 7
11029 P12489  [集训队互测 2024] 线段树与区间加 0 / 0 7
11895 P12500  「DLESS-1」XOR and OR 0 / 0 5
12311 P12502  「ROI 2025 Day1」天狼星的换班 0 / 0 5
11104 P12523  [Aboi Round 1] Nomad 0 / 0 6
12358 P12539  [XJTUPC 2025] 结束乐队 0 / 0 4
12398 P12562  [UTS 2024] Two Trees 0 / 0 6
12399 P12563  [UTS 2024] Remove Node 0 / 0 6
12407 P12570  [UOI 2023] An Array and Medians of Subarrays 0 / 0 4
12415 P12577  [UOI 2021] 树上的强盗 0 / 0 6
12417 P12579  [UOI 2021] 哥萨克与 GCD 0 / 0 5
12419 P12581  [UOI 2021] 敌人与军刀 0 / 0 6
12447 P12624  [NAC 2025] Humans vs AI 0 / 0 6
12501 P12667  [KOI 2023 Round 2] 傻瓜锁 0 / 0 5
12270 P12670  「TFXOI Round 2」LQXZ & AGLT 0 / 0 5
12509 P12685  [国家集训队] 排队 加强版 0 / 0 5
12507 P12691  [KOI 2022 Round 1] 补给 0 / 0 5
12422 P12693  BZOJ3589 动态树 0 / 0 5
12514 P12699  [KOI 2022 Round 2] 红蓝 0 / 0 5
12515 P12700  [KOI 2022 Round 2] 停车场 0 / 0 5
12566 P12761  [POI 2018 R2] 列车员 Conductor 0 / 0 6
12567 P12762  [POI 2018 R2] 电信中继站 Transceivers 0 / 0 4
12648 P12845  [蓝桥杯 2025 国 A] 连锁反应【数据强度待检验】 0 / 0 6
12649 P12846  [蓝桥杯 2025 国 A] 翻转硬币 0 / 0 5
12718 P12912  [POI 2020/2021 R2] 收拾背包 / Pakowanie plecaka 0 / 0 6
12805 P12998  [GCJ 2022 #3] Duck, Duck, Geese 0 / 0 5
12882 P13069  [GCJ 2020 #3] Recalculating 0 / 0 6
12888 P13070  [GCJ 2020 Finals] Pack the Slopes 0 / 0 5

Categories

Lucky

Pick a problem randomly based on the current filter.

  1. About
  2. Contact Us
  3. Privacy
  4. Terms of Service
  5. Copyright Complaint
  6. Language
  7. Legacy mode
  8. Theme
  2. 粤ICP备2022044963号-1
  3. Worker 0, 65ms
  4. Powered by Hydro v4.13.3 Community