630 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
12026 P12840   情报污染 1 / 1 10
12054 P12868   Multiple and Factor 1 / 1 7
12056 P12870   Stocks Trading 2 / 9 8
12061 P12875   PalindromemordnilaP 1 / 1 10
12063 P12877   Worst Problem Of All Time 1 / 1 9
12069 P12883   [COI 2020] Paint 1 / 2 8
12405 P13222   [ARC135E] Sequence of Multiples 1 / 1 8
12441 P13258   [集训队互测 2022day6]圆滚滚的算术占卜 1 / 1 10
12451 P13268   [集训队互测 2022day9]Slight Hope 1 / 1 10
12497 P13313   [2025年队测]徽章 1 / 2 8
12567 P13383   [ABC234Ex] Enumerate Pairs 2 / 2 7
12573 P13389   [ABC239Ex] Dice Product 2 2 / 2 7
12595 P13411   [ABC256Ex] I like Query Problem 2 / 2 8
12599 P13415   [ABC259Ex] Yet Another Path Counting 2 / 2 7
12695 P13511    [ABC365F] Takahashi on Grid 2 / 2 6
12717 P13533   [ARC068E] Snuke Line 1 / 1 6
12769 P13569   [ICPC 2022 Yokohama R] Cake Decoration 1 / 1 8
12793 P13593   [ICPC 2025 Seoul R] Badge Relay 1 / 1 9
12929 P13727   [ARC090F] Number of Digits 1 / 1 8
12945 P13743   [ARC068E] Snuke Line 1 / 1 5
12960 P13758   排列 1 / 1 9
12962 P13760   [2019年备战北大冬令营][YMDragon]sequence 1 / 1 6
12968 P13780   QOJ 7605 Yet Another Mex Problem 2 / 2 10
13093 P13886   [ROIR 2024] 二叉树的遍历 1 / 1 9
13107 P13900   [2021年省选前集训]重生 1 / 1 7
13122 P13915   [2021年省选前集训]时代的眼泪 ·SP 1 / 1 8
13127 P13920   [2021年省选前集训]序列 1 / 1 9
13185 P13973   [PA2020] Ogromne drzewo 1 / 3 10
13249 P14043   [省选联考 2026] 工业系统 / industry 1 / 179 10
13314 P14107   [JAG 2023 Summer Camp #2] Distance Permutation 1 / 1 9
13346 P14140   字符串外挂 1 / 1 10
13374 P14168   [JOIST 2024] 逃生路线 2 / Escape Route 2 1 / 1 9
13377 P14170   [JOI Final 2026] JOI 之旅 2 / JOI Tour 2 1 / 3 9
13395 P14187   [北大集训 2025]解开尘封的序列 1 / 1 10
13448 P14231   [EC Final 2021] Vacation 1 / 4 9
13574 P14357   [PA 2026] 原题加强 2 / Wersja dla profesjonalistów 2 1 / 2 10
13579 P14362   [ROI 2025 Day2]最小化逆序对 1 / 2 10
13652 P14435   下弦月 1 / 4 10
13655 P14438   Pfaffian 1 / 4 7
13693 P14476   [2025年广东省队集训]排列 1 / 1 10
13706 P14487   [2025年广东省队集训]追忆 1 / 1 7
13724 P14507   [2026年省队模拟联测]网络 1 / 1 6
13762 P14545   [JOI2025 预选赛 R2] 冲突 / Collision 1 / 3 9
13792 P14575   [IATI 2025 Day 2]soft_drinks 1 / 1 10
13795 P14578   [Bulgarian 2025]mushrooms 1 / 2 5
13806 P14590   [Bulgarian 2023]square_free 1 / 1 6
13808 P14592   [Bulgarian 2023]sums 1 / 1 7
13819 P14603   [IATI2024 day2]game 1 / 3 8
13827 P14611   [IATI2026 day2]arithmetic_progression 1 / 1 10
13833 P14617   [IATI2022 day2]Reorder 1 / 1 9

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