ID Problem Show tags Hide tags AC / Tried Difficulty
16505 P12471   [Math×Girl] 染色 0 / 0 9
17513 P12639   [UOI 2020] Topological Sorting of a Tree 0 / 0 8
17551 P12666   [KOI 2023 Round 2] 草地上的蚁穴 0 / 0 7
12523 P12735   回报 0 / 0 8
17691 P12837   [蓝桥杯 2025 国 B] 近似回文字符串 0 / 0 7
17693 P12839   [蓝桥杯 2025 国 B] 涂格子 0 / 0 7
17694 P12840   [蓝桥杯 2025 国 A] OCR 校正 0 / 0 5
17738 P12883   [蓝桥杯 2025 国 C] 正方形构造 0 / 0 6
17740 P12885   [蓝桥杯 2025 国 Java B] 农场监控 0 / 0 3
17741 P12886   [蓝桥杯 2025 国 Java B] 分配房子 0 / 0 5
17842 P12992   [GCJ 2022 #1C] Intranets 0 / 0 9
17773 P13011   【MX-X13-T6】「KDOI-12」能做到的也只不过是静等缘分耗尽的那一天。 0 / 0 8
17882 P13017   [GESP202506 七级] 线图 1 / 1 5
17885 P13020   [GESP202506 八级] 遍历计数 0 / 0 6
17867 P13028   [GCJ 2021 #1A] Hacked Exam 0 / 0 7
17888 P13037   [GCJ 2021 #2] Hidden Pancakes 0 / 0 7
17893 P13042   [GCJ 2021 #3] Binary Search Game 0 / 0 9
17915 P13064   [GCJ 2020 #2] Wormhole in One 0 / 0 7
17928 P13072   [GCJ 2020 Finals] Hexacoin Jam 0 / 0 9
18745 P13234   [GCJ 2015 Finals] Campinatorics 0 / 0 7
18425 P13240   「2.48sOI R1」猜数 0 / 0 6
18761 P13254   [GCJ 2014 #1C] Reordering Train Cars 0 / 0 6
18766 P13259   [GCJ 2014 #2] Trie Sharding 0 / 0 8
18775 P13268   [GCJ 2014 Finals] Allergy Testing 0 / 0 8
18493 P13280   「CZOI-R4」午夜巡游 0 / 0 6
18793 P13289   [GCJ 2013 #1B] Falling Diamonds 0 / 0 6
18797 P13291   [GCJ 2013 #1C] Consonants 0 / 0 5
18812 P13306   [GCJ 2013 Finals] Let Me Tell You a Story 0 / 0 8
18322 P13310   染紫 0 / 0 8
18889 P13380   [GCJ 2011 #3] Perpetual Motion 0 / 0 7
18892 P13382   [GCJ 2011 Finals] Runs 0 / 0 7
18964 P13447   [GCJ 2009 #3] Interesting Ranges 0 / 0 8
18979 P13460   [GCJ 2008 #1B] Crop Triangles 0 / 0 5
18992 P13473   [GCJ 2008 #3] Endless Knight 0 / 0 7
19003 P13484   [GCJ 2008 EMEA SemiFinal] Rainbow Trees 0 / 0 6
18453 P13550   宇宙分解 0 / 0 6
18307 P13561   「WWOI R1」WsW 的笔 0 / 0 5
18477 P13682   [IAMOI R2] 污水博弈 0 / 0 8
18487 P13688   【MX-X16-T6】「DLESS-3」XOR and Powerless Suffix Mode 0 / 0 8
18473 P13696   「CyOI」出包魔法师 0 / 0 7
18448 P13777   「o.OI R2」Meowalkane 0 / 0 6
19290 P13795   [SWERC 2023] Flag performance 0 / 0 8
19299 P13804   [SWERC 2023] In-order 0 / 0 9
18567 P13833   【MX-X18-T5】「FAOI-R6」纯蓝 0 / 0 8
19355 P13873   [蓝桥杯 2024 省 Java/Python A] 智力测试 0 / 0 7
18349 P14006   「florr IO Round 1」命运游戏 0 / 0 6
19478 P14016   [ICPC 2024 Nanjing R] 拓扑 0 / 0 8
18517 P14149   振袖秋风问红叶 0 / 0 5
18342 P14254   分割(divide) 0 / 0 7
19747 P14303   [GCJ 2011 Finals] Runs 加强版 0 / 0 9
19533 P14313   [Aboi Round 2] IDSMILE 0 / 0 6
19244 P14321    「ALFR Round 11」D Adjacent Lifting, Fewest Rounds 0 / 0 8
19774 P14352   排序 0 / 0 6
19798 P14364   [CSP-S 2025] 员工招聘 0 / 0 8
19801 P14367   [JOISC 2018] 帐篷 / Tents 0 / 0 7
19802 P14368   [JOISC 2018] 修行 / Asceticism 0 / 0 8
19829 P14396   [JOISC 2016] 棋盘游戏 / Solitaire 0 / 0 8
19842 P14409   [JOISC 2015] 建筑装饰 3 / Building 3 0 / 0 6
19907 P14454   [ICPC 2025 Xi'an R] Heart of Darkness 0 / 0 9
19912 P14459   [ICPC 2025 Xi'an R] Mystique as Iris 0 / 0 7
19937 P14492   [集训队互测 2018] 小 H 爱染色 0 / 0 9
19896 P14515   [NFLSPC #8] 小 P,小 W,棒棒糖 0 / 0 8
19964 P14539   [IO 2024 #3] 固定船帆 0 / 0 9
19963 P14568   【MX-S12-T3】排列 0 / 0 7
19427 P14586   [LNCPC 2025] 前后缀石子博弈 0 / 0 8
19472 P14587   [LNCPC 2025] 广义菊花图计数 0 / 0 8
20021 P14636   [NOIP2025] 清仓甩卖 0 / 0 8
19046 P14639   【OIMO Round 1】世界线 0 / 0 6
18358 P14654   夤生月 0 / 0 7
18924 P14666   [KenOI 2025] 游走题 0 / 0 6
20057 P14674   [ICPC 2025 Seoul R] Fair Problemset 0 / 0 8
20081 P14720   [RMI 2025] 鼠皇 / King of rats 0 / 0 7
20126 P14738   [ICPC 2021 Seoul R] Grid Triangle 0 / 0 7
20179 P14791   [NERC 2025] Jinx or Jackpot 0 / 0 7
20193 P14816   [ICPC 2023 Yokohama R] Ferris Wheel 0 / 0 9
20251 P14872   [ICPC 2020 Yokohama R] High-Tech Detective 0 / 0 7
20289 P14910   [NHSPC 2024] 實境節目 0 / 0 6
19755 P14938   「FAOI-R10」竞唆芳杰 0 / 0 7
18430 P14956   字符串的迹象 0 / 0 8
20041 P14973   『GTOI - 2D』木棍 0 / 0 7
18537 P15015   If 0 / 0 7

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