ID Problem Show tags Hide tags AC / Tried Difficulty
10628 P11170  「CMOI R1」图上交互题 / Constructive Minimum Xor Path 0 / 0 5
10788 P11252  [KTSC 2024 R2] 岛屿 0 / 0 6
10777 P11298  [NOISG 2018 Prelim] Island 0 / 0 5
10844 P11360  [CEOI 2015] 管道 0 / 0 6
11138 P11380  [GESP202412 八级] 排队 0 / 0 3
11207 P11454  [USACO24DEC] 2D Conveyer Belt S 0 / 0 5
11024 P11640  Graph 0 / 0 4
11476 P11726  [JOIG 2025] 最悪の記者 5 / Worst Reporter 5 0 / 0 5
11021 P11762  [IAMOI R1] 走亲访友 0 / 0 5
11520 P11811  [PA 2015] 人赢 / Mistrzostwa 0 / 0 3
11523 P11812  [PA 2015] 精确打击 / Kontrmanifestacja 0 / 0 6
11680 P11832  [省选联考 2025] 图排列 0 / 0 7
11449 P11892  [XRCOI Round 1] C. 草萤有耀终非火 0 / 0 5
11534 P11954  「ZHQOI R1」删边 0 / 0 4
11970 P12026  [USACO25OPEN] Compatible Pairs S 0 / 0 4
11861 P12041  [USTCPC 2025] 图上交互题 2 / Constructive Minimum Mex Path 0 / 0 3
11862 P12042  [USTCPC 2025] 图上交互题 3 / Constructive Maximum Mex Path 0 / 0 4
11863 P12043  [USTCPC 2025] 图上交互题4 / Constructive Shortest Path 0 / 0 4
12108 P12301  [ICPC 2022/2023 WF] Turning Red 0 / 0 4
12221 P12318  [蓝桥杯 2024 国研究生组] 分割字符串 0 / 0 4
12222 P12319  [蓝桥杯 2024 国研究生组] 最短路 0 / 0 5
12243 P12343  [蓝桥杯 2025 省 AB/Python B 第二场] 树上寻宝 0 / 0 2
12281 P12403  [COI 2025] 象掌兽 / Lirili Larila 0 / 0 7
11105 P12407  「CZOI-R3」数字变换 0 / 0 5
11823 P12604  「FAOI-R6」魂灵之影 0 / 0 5
12475 P12649  [KOI 2024 Round 2] 收集彩球 0 / 0 4
12597 P12790  [NERC 2022] Amazing Trick 0 / 0 5
12648 P12845  [蓝桥杯 2025 国 A] 连锁反应【数据强度待检验】 0 / 0 6
12676 P12873  [蓝桥杯 2025 国 Python A] 哨兵 0 / 0 2
12677 P12874  [蓝桥杯 2025 国 Python A] 巡逻 0 / 0 3
12769 P12959  [GCJ Farewell Round #3] The Decades of Coding Competitions 0 / 0 4
12808 P13001  [GCJ 2022 Finals] Wonderland Chase 0 / 0 5
12839 P13016  [GESP202506 六级] 最大因数 0 / 0 3
12840 P13017  [GESP202506 七级] 线图 0 / 0 3
12843 P13020  [GESP202506 八级] 遍历计数 0 / 0 4
12831 P13034  [GCJ 2021 #1C] Double or NOTing 0 / 0 6
12849 P13040  [GCJ 2021 #3] Square Free 0 / 0 6
12853 P13044  [GCJ 2021 Finals] Slide Circuits 0 / 0 6
12755 P13097  [FJCPC 2025] 割点 0 / 0 4
12910 P13118  [GCJ 2019 #2] Contransmutation 0 / 0 5

Categories

Lucky

Pick a problem randomly based on the current filter.