461 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
14388 P14618   [2019 KAIST RUN Fall] Lexicographically Minimum Walk 0 / 0 6
14390 P14620   [2019 KAIST RUN Fall] Minimum Diameter Spanning Tree 0 / 0 7
14777 P14737   [ICPC 2021 Seoul R] Friendship Graphs 0 / 0 6
14794 P14766   [ICPC 2024 Seoul R] Cards Flipping 0 / 0 5
14789 P14779   [COCI 2025/2026 #3] 宴会 / Domjenak 0 / 0 7
14817 P14807   [CCPC 2024 哈尔滨站] 欢迎加入线上会议！ 0 / 0 5
14921 P14873   [ICPC 2020 Yokohama R] Formica Sokobanica 0 / 0 6
14937 P14889   Key Point 0 / 0 9
14948 P14900   [ICPC 2018 Yokohama R] Four-Coloring 0 / 0 9
14967 P14923   [GESP202512 八级] 猫和老鼠 0 / 0 6
15017 P14994   异或最短路和 0 / 0 9
15219 P15155   [SWERC 2024] Divination 0 / 0 5
15365 P15335   [GCPC 2025] Happy Hookup 0 / 0 3
14582 P15426   Time to Heal 0 / 0 (None)
15424 P15441   [蓝桥杯 2025 国 Python/Java 研究生组] 耗时最短的路径 0 / 0 6
14532 P15547   「Stoi2037」白色风车 0 / 0 6
15577 P15653   [省选联考 2026] 星图 0 / 0 (None)
15733 P15803   [GESP202603 七级] 物流网络 0 / 37 6
15859 P15805   [GESP202603 八级] 子图最短路 0 / 0 6
15863 P15808   [JOI 2013 Final] 現代的な屋敷 0 / 0 6
15876 P15818   [JOI 2015 Final] JOI 公園 0 / 0 6
15943 P15890   [COCI 2025/2026 #6] Prepisivanje 0 / 0 7
15952 P15899   [TOPC 2025] Gamer Bafuko 0 / 0 9
16011 P15961   [ICPC 2018 Jakarta R] Boomerangs 0 / 0 7
15853 P15972   「RedStone OI R10 A」菊花残 0 / 0 3
16019 P15984   [PA 2026] 竞选 / Kampania wyborcza 0 / 0 7
16055 P16007   [CCO 2016 Day 1] Field Trip 0 / 0 5
16106 P16116   [USTCPC 2026] Doughnut 0 / 0 7
16211 P16176   [ICPC 2014 NAIPC] Diplomacy 0 / 0 6
15769 P16185   [LBA-OI R1 B] 战术突破 0 / 0 5
16285 P16252   [蓝桥杯 2026 省研究生组] 通信链路 0 / 0 6
16301 P16273   [蓝桥杯 2026 省 Java B 组] 回程 0 / 0 6
16316 P16292   [蓝桥杯 2026 省 Java A 组] 两栖作战 0 / 0 5
16457 P16472   [GKS 2013 #A] Spaceship Defence 0 / 0 6
16466 P16481   [GKS 2014 #A] Addition 0 / 0 7
16477 P16492   [GKS 2014 #D] Sort a scrambled itinerary 0 / 0 3
16481 P16504   [GKS 2015 #A] gCampus 0 / 0 5
16483 P16506   [GKS 2015 #B] Travel 0 / 0 5
16902 P16635   [GKS 2017 #G] Cards Game 0 / 0 6
16928 P16654   [GKS 2018 #F] Specializing Villages 0 / 0 7
16695 P16686   商店 0 / 0 6
16983 P16735   [GKS 2019 #E] Cherries Mesh 0 / 0 5
17027 P16766   [GKS 2020 #E] Golden Stone 0 / 0 6
17044 P16786   [蓝桥杯 2026 国 A] 安全路径 0 / 0 5
16648 P16823   [AFOI 2025] A1.追忆（Easy Version） 0 / 0 5
16668 P16824   [AFOI 2025] A2.追忆（Hard Version） 0 / 0 5
16652 P16825   [AFOI 2025] B.岁月 0 / 0 6
17084 P16840   [GKS 2021 #A] Checksum 0 / 0 6
16997 P16930   拱辰封仪 0 / 0 9
16967 P16967   [SCCPC 2026] 环基基环树 0 / 0 9
17262 P17014   [GESP202606 七级] 染色 1 / 2 5
17264 P17016   [GESP202606 八级] 线网建设 0 / 0 5
17266 P17018   [ROI 2026 Day1] 分布式系统 0 / 0 6
16739 P17076   [ICPC 2017 Shenyang R] Tree 0 / 0 6
16646 P17119   [Algo Beat 009 & MROI-R1] Sheepfold 0 / 0 9
17351 P17164   [CEOI 2026] DFS 0 / 0 7
16852 P17176   「MSOI R1」莫追 0 / 0 6
17170 P17235   [Algo Beat Contest 017 D] 图博弈 0 / 0 7
16791 P17263   [ICPC 2017 Urumqi R] Friends 0 / 0 8
16636 P17276   『__OI R1』Rotating Mole 0 / 0 5
17491 P17462   [GESP202609 八级] 末班车 0 / 0 6

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