ID Problem Show tags Hide tags AC / Tried Difficulty
19340 P13859   [SWERC 2020] Safe Distance 0 / 0 6
19348 P13867   [SWERC 2020] Unique Activities 0 / 0 5
19367 P13885   [蓝桥杯 2023 省 Java/Python A] 反异或 01 串 0 / 0 7
18526 P13907   「TFXOI Round 3」树的染色 0 / 0 6
19269 P13917   [PO Final 2024] 测面积 / Floor Area 0 / 0 5
19270 P13918   [PO Final 2024] 雪崩 / Avalanche 0 / 0 6
19420 P13931   [蓝桥杯 2022 省 Java B] 最少刷题数 0 / 0 5
19421 P13932   [蓝桥杯 2022 省 Java B] 求阶乘 0 / 0 5
19439 P13967   [VKOSHP 2024] Two Arrays 0 / 0 6
19451 P13977   数列分块入门 2 0 / 0 7
19452 P13978   数列分块入门 3 0 / 0 7
19470 P14004   [eJOI 2025] Vacation 0 / 0 7
19474 P14013   [POCamp 2023] 送钱 / The Generous Traveler 0 / 0 7
19518 P14040   [PAIO 2025] Exhibition 0 / 0 6
19494 P14063   [PO Final 2022] 海滩 / Badstrand 0 / 0 3
19496 P14065   [PO Final 2022] 对弈 / Laserschack 0 / 0 6
18528 P14083   「CZOI-R7」括号 0 / 0 6
18635 P14115   [IAMOI R4] 木桶效应 0 / 0 5
19585 P14123   [SCCPC 2021] Hourly Coding Problem 0 / 0 8
19587 P14125   [SCCPC 2021] Monster Hunter 0 / 0 7
19386 P14132   【MX-X22-T3】「TPOI-4C」Another MEX Problem 0 / 0 6
19176 P14134   【MX-X22-T5】「TPOI-4E」Get MiN? Get MeX! 0 / 0 7
19675 P14210   [ROI 2016 Day2] DNA 解码 0 / 0 6
19666 P14213   [COI 2010] 橡树 / HRASTOVI 0 / 0 6
19642 P14222   [ICPC 2024 Kunming I] 收集硬币 0 / 0 8
19648 P14228   [ICPC 2024 Kunming I] 漫步野径 0 / 0 7
19459 P14255   列车(train) 0 / 0 7
18456 P14259   兄妹(siblings) 0 / 0 6
19735 P14293   [JOI2024 预选赛 R2] 购物 2 / Shopping 2 0 / 0 5
18371 P14319   「ALFR Round 11」C1 开关灯 (switch) (ez ver.) 0 / 0 5
18373 P14320   「ALFR Round 11」C2 开关灯 (switch) (hd ver.) 0 / 0 7
19763 P14332   [JOI2021 预选赛 R2] 活动巡游 / Event Hopping 0 / 0 6
19764 P14333   [JOI2021 预选赛 R2] 安全检查 / Safety Inspection 0 / 0 7
19810 P14375   [JOISC 2018] 图书馆 / Library 0 / 0 7
19817 P14384   [JOISC 2017] 烟花棒 / Sparklers 0 / 0 9
19819 P14385   [JOISC 2017] 门票安排 / Arranging Tickets 0 / 0 9
19847 P14415   [JOISC 2015] 遗产继承 / Inheritance 0 / 0 7
19864 P14426   [JOISC 2014] 稻草人 / Scarecrows 0 / 0 8
19850 P14460   【MX-S10-T1】『FeOI-4』寻雾启示 0 / 0 6
18434 P14478   手心 0 / 0 5
19309 P14507   缺零分治 mexdnc 0 / 0 6
19966 P14541   [IO 2024 #3] 嘿嘿公鸡与石头 0 / 0 6
19984 P14562   宇宙 0 / 0 6
18539 P14575   坤班 0 / 0 5
18409 P14576   Lamborghini (Remix) 0 / 0 5
19714 P14591   [LNCPC 2025] Kanon 0 / 0 8
19991 P14595   [COCI 2025/2026 #2] 集训 / Dodatna 0 / 0 5
20020 P14635   [NOIP2025] 糖果店 1 / 18 5
18587 P14665   [KenOI 2025] 序列题 0 / 0 6
20067 P14684   [ICPC 2025 Yokohama R] Cutting Tofu 0 / 0 5
20078 P14717   [RMI 2025] 猜排列 / Guess Permutation 0 / 0 8
20127 P14739   [ICPC 2021 Seoul R] John' s Gift 0 / 0 6
20148 P14774   [ICPC 2024 Seoul R] Street Development 0 / 0 6
20170 P14782   [NERC 2025] Alphabet City 0 / 0 3
20176 P14788   [NERC 2025] Greta' s Game 0 / 0 7
20187 P14798   [JOI 2026 二次预选] 购物 3 / Shopping 3 0 / 0 6
20166 P14811   [CCPC 2024 哈尔滨站] 农场经营 0 / 0 5
20201 P14824   [ICPC 2023 Yokohama R] Probing the Disk 0 / 0 6
19492 P14828   彻彻崩 0 / 1 8
20203 P14843   [ICPC 2022 Yokohama R] Interactive Number Guessing 0 / 0 5
20239 P14862   [ICPC 2021 Yokohama R] The Cross Covers Everything 0 / 0 6
20247 P14868   [ICPC 2020 Yokohama R] Jewelry Size 0 / 0 6
20282 P14903   [ICPC 2018 Yokohama R] Sixth Sense 0 / 0 7
20292 P14917   [GESP202512 五级] 数字移动 0 / 0 5
18502 P14940   「FAOI-R10」春运 0 / 0 8
18424 P14941   「FAOI-R10」梦 0 / 0 9
18365 P14988   多边形 0 / 0 5
20371 P15008   [UOI 2019 II Stage] 狼人杀 0 / 0 5
20374 P15011   [UOI 2019 II Stage] 土豆 0 / 0 8
20387 P15024   [UOI 2020 II Stage] 修理帕萨特 0 / 0 5
20395 P15029   [UOI 2021 II Stage] 酷子串 0 / 0 6
20318 P15039    「chaynOI R2 T4」无限的信息 0 / 0 8
20411 P15048   [UOI 2022 II Stage] 树 2 0 / 0 7
20432 P15069   [UOI 2024 II Stage] Disco 0 / 0 5
20449 P15097   [ICPC 2025 LAC] Coatless in Yakutsk 0 / 0 3
20457 P15105   [ICPC 2025 LAC] Keep Fighting 0 / 0 6
20484 P15135   [SWERC 2025] Adjusting Drones 0 / 0 6
18136 18136   二分法求函数的零点 11 / 27 6
18137 18137   网线主管 16 / 110 8
18138 18138   月度开销 21 / 95 7
18153 18153   和为给定数 29 / 142 7

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