ID Problem Show tags Hide tags AC / Tried Difficulty
4928 P5937   [CEOI 1999] Parity Game 0 / 0 6
4950 P5962   [BalticOI 2004] Ships (Day1) 0 / 0 6
5126 P6121   [USACO16OPEN] Closing the Farm G 0 / 0 6
5199 P6185   [NOI Online #1 提高组] 序列 3 / 7 7
5344 P6351   [PA 2011] Hard Choice 0 / 0 8
5652 P6628   [省选联考 2020 B 卷] 丁香之路 0 / 0 8
5592 P6691   选择题 0 / 0 5
6418 P7295   [USACO21JAN] Paint by Letters P 0 / 0 9
7270 P7973   [KSN2021] Binary Land 0 / 0 6
7245 P8010   「Wdsr-3」令人感伤的红雨 0 / 0 7
7332 P8026   [ONTAK2015] Bajtocja 0 / 0 8
7365 P8059   [POI 2003] Monkeys 0 / 0 6
7291 P8149   泪光 | Tears 0 / 0 7
7459 P8287   「DAOI R1」Flame 0 / 0 6
7282 P8288   「DAOI R1」Fireworks 0 / 0 8
7680 P8396   [CCC 2022 S2] Good Groups 0 / 0 5
7681 P8403   [CCC 2022 J4] Good Groups 0 / 0 5
7572 P8485   「HGOI-1」Water 0 / 0 8
5947 P8654   [蓝桥杯 2017 国 C] 合根植物 0 / 0 5
6991 P8686   [蓝桥杯 2019 省 A] 修改数组 12 / 31 5
8009 P8710   [蓝桥杯 2020 省 AB1] 网络分析 0 / 0 6
8034 P8936   [JRKSJ R7] 月下缭乱 0 / 0 8
8160 P8954   「VUSC」Math Game 0 / 0 7
8486 P9235   [蓝桥杯 2023 省 A] 网络稳定性 0 / 0 7
8627 P9410   『STA - R2』机场修建 0 / 0 8
8892 P9638   「yyOI R1」youyou 的军训 0 / 0 7
8938 P9641   [SNCPC2019] Grid with Arrows 0 / 0 5
8606 P9655   『GROI-R2』 Beside You 0 / 0 8
9231 P9869   [NOIP2023] 三值逻辑 1 / 1 6
9528 P10181   龙逐千灯幻 0 / 1 9
9664 P10268   符卡对决 0 / 0 8
9806 P10350   [PA 2024] Modernizacja Bajtocji 0 / 0 7
9755 P10381   「HOI R1」杂赛选比 0 / 0 7
10112 P10665   [AMPPZ2013] Bytehattan 0 / 0 8
10241 P10734   [NOISG 2019 Prelim] Experimental Charges 0 / 0 6
10489 P11146   「SFMOI Round I」Strange Train Game 0 / 0 7
10832 P11562   【MX-X7-T3】[LSOT-3] 寄存器 0 / 0 6
11216 P11664   [JOI 2025 Final] 缆车 / Mi Teleférico 0 / 0 8
11498 P11811   [PA 2015] 人赢 / Mistrzostwa 0 / 0 5
11379 P12009   【MX-X10-T5】[LSOT-4] Masuko or Haru? 0 / 0 8
11839 P12041   [USTCPC 2025] 图上交互题 2 / Constructive Minimum Mex Path 0 / 0 5
11840 P12042   [USTCPC 2025] 图上交互题 3 / Constructive Maximum Mex Path 0 / 0 6
12018 P12123   [蓝桥杯 2024 省 B 第二场] 传送阵 0 / 0 5
12061 P12169   [蓝桥杯 2025 省 C/Python A/Java C] 登山 0 / 0 6
12170 P12274   [蓝桥杯 2024 国 Python B] 设计 0 / 0 6
12486 P12698   [KOI 2022 Round 2] 树与查询 0 / 0 6
12510 P12736   [POI 2016 R2] 圣诞灯链 Christmas chain 0 / 0 8
12615 P12839   [蓝桥杯 2025 国 B] 涂格子 0 / 0 7
12669 P12893   [蓝桥杯 2025 国 Java B] 隔离网络 0 / 0 6
12761 P12959   [GCJ Farewell Round #3] The Decades of Coding Competitions 0 / 0 6
12905 P13121   [GCJ 2019 #3] Datacenter Duplex 0 / 0 8
13181 P13177   [GCJ 2017 #3] Mountain Tour 0 / 0 8
12916 P13308   故障 0 / 0 6
13333 P13329   [GCJ 2012 #3] Havannah 0 / 0 8
13439 P13427   [COCI 2020/2021 #2] Odasiljaci 0 / 0 5
13474 P13461   [GCJ 2008 #1B] Number Sets 0 / 0 6
13532 P13528   [OOI 2023] Gasoline prices / 油价 0 / 0 9
13542 P13654   [CERC 2020] Excavation 0 / 0 6
13684 P13716   [GCPC 2024] Alien Attack 2 0 / 0 5
13693 P13736   [JOIGST 2025] 日本浮现 / Japan Emerges 0 / 0 6
13711 P13744   [NWERC 2024] Flowing Fountain 0 / 0 6
13423 P13823   「Diligent-OI R2 C」所谓伊人 0 / 0 6
13820 P13859   [SWERC 2020] Safe Distance 0 / 0 6
13931 P13980   数列分块入门 5 0 / 0 7
14021 P14077   [GESP202509 七级] 连通图 0 / 0 3
14024 P14080   [GESP202509 八级] 最小生成树 0 / 0 7
14203 P14329   [JOI2022 预选赛 R2] 交易计划 / Trade Plan 0 / 0 7
14252 P14383   [JOISC 2017] 港口设施 / Port Facility 0 / 0 8
14277 P14411   [JOISC 2015] 道路建设 / Road Development 0 / 0 7
14280 P14415   [JOISC 2015] 遗产继承 / Inheritance 0 / 0 7
14288 P14423   [JOISC 2014] 有趣的交朋友 / Making Friends is Fun 0 / 0 6
14446 P14501   [NCPC 2025] Gotta Trade Some of 'Em 0 / 0 5
14352 P14591   [LNCPC 2025] Kanon 0 / 0 8

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