ID 题目 显示标签 隐藏标签 AC / 尝试 难度
12528 P13344   [ABC198F] Cube 1 / 1 6
12532 P13348   [ABC208F] Cumulative Sum 1 / 1 7
12534 P13350   [ABC212H] Nim Counting 1 / 2 7
12536 P13352   [ABC213H] Stroll 1 / 2 8
12554 P13370   [ABC225H] Social Distance 2 1 / 2 9
12555 P13371   [ABC226H] Random Kth Max 2 / 2 8
12561 P13377   [ABC230H] Bullion 1 / 2 10
12577 P13393   [ABC241Ex] Card Deck Score 1 / 3 8
12583 P13399   [ABC247Ex] Rearranging Problem 2 / 2 8
12600 P13416   [ABC260Ex] Colorfulness 2 / 2 9
12610 P13426   [ABC267Ex] Odd Sum 2 / 2 7
12612 P13428   [ABC269Ex] Antichain 2 / 2 9
12615 P13431   [ABC272Ex] Flipping Coins 2 2 / 2 9
12622 P13438   [ABC278Ex] make 1 2 / 2 9
12624 P13440   [ABC279Ex] Sum of Prod of Min 1 / 3 9
12626 P13442   [ABC281Ex] Alchemy 2 / 2 9
12633 P13451   [ABC291G] OR Sum 2 / 2 6
12638 P13454    [ABC294Ex] K-Coloring 2 / 2 9
12641 P13457   [ABC297Ex] Diff Adjacent 2 / 2 9
12643 P13459   [ABC299Ex] Dice Sum Infinity 2 / 4 9
12644 P13460   [ABC300Ex] Fibonacci: Revisited 1 / 3 9
12649 P13465   [ABC303Ex] Constrained Tree Degree 2 / 2 9
12657 P13473   [ABC309Ex] Simple Path Counting Problem 2 / 2 9
12663 P13479   [ABC315Ex] Typical Convolution Problem 2 / 2 8
12665 P13481   [ABC318Ex] Count Strong Test Cases 2 / 2 9
12668 P13484   [ABC322G] Two Kinds of Base 2 / 2 8
12669 P13485   [ABC323G] Inversion of Tree 2 / 2 8
12675 P13491   [ABC331G] Collect Them All 2 / 2 9
12683 P13499   [ABC345G] Sugoroku 5 2 / 2 9
12689 P13504   [ABC352G] Socks 3 2 / 2 7
12696 P13512   [ABC367G] Sum of (XOR^K or 0) 2 / 3 9
12759 P13559   [ICPC 2022 Yokohama R] Quiz Contest 1 / 1 9
12761 P13561   [ICPC 2023 Yokohama R] Ferris Wheel 1 / 1 8
12794 P13594   [ICPC 2025 Seoul R] Fair Problemset 1 / 1 9
12801 P13601   [ICPC 2024 APC] Zig-zag 1 / 1 10
12854 P13652   [ARC156D] Xor Sum 5 1 / 1 7
12875 P13673   [ARC139E] Wazir 1 / 1 8
12977 P13769   [2019年备战北大冬令营]飞机 1 / 1 8
13014 P13813   toyota2023spring_final_e East-Northeast 1 / 3 8
13106 P13899   [2021年省选前集训]排列之美 1 / 1 9
13107 P13900   [2021年省选前集训]重生 1 / 2 7
13111 P13904   [2021年省选前集训]组合计数 1 / 1 10
13123 P13916   [2021年省选前集训]钩子·Plus 1 / 1 10
13155 P13946   CF1119H Triple 3 / 4 10
13164 P13952   [2024多校联盟省选模拟]星际殖民 1 / 1 10
13169 P13957   [2024多校联盟省选模拟]涨工资 2 / 18 10
13090 P13982   CF453D Little Pony and Elements of Harmony 12 / 52 8
13191 P13985   Xor 2 / 35 10
13073 P13996   CF662C Binary Table 11 / 20 7
13088 P13997   CF165E Compatible Numbers 14 / 23 6
13208 P14002   [USACO26JAN2] Cow Circle P 1 / 4 9
13271 P14065   [CCPC 2024 重庆站] 魔弹 1 / 1 8
13272 P14066   [CCPC 2024 重庆站] Median Replacement 1 / 1 8
13302 P14095   [ICPC 2023 Jakarta R] Deck-Building Game 1 / 1 6
13345 P14139   行动路线 1 / 1 8
13367 P14161   [JOI Final 2026] 面包师 / Baker 1 / 2 9
13396 P14188   [清华集训 2024] 比赛 1 / 1 10
13405 P14197   [清华集训 2024] 乘积的期望 1 / 1 10
13421 P14212   [ICPC 2024 Chengdu R] Friendship is Magic 1 / 4 9
13620 P14403   [ICPC 2019 NAIPC] Heaps of Fun 1 / 1 8
13627 P14410   [ICPC 2016 NAIPC] K-Inversions 1 / 1 7
13641 P14424   [TOPC 2025] Chopsticks 1 / 1 8
13647 P14430   The Mighty Spell加强版 1 / 5 10
13658 P14441   整式递推 1 / 4 9
13660 P14443   calc加强版 1 / 10 9
13781 P14564   和求 1 / 1 7
13817 P14601   [IATI2024 day1]five 1 / 1 8
14012 P14796   [Bulgarian2019组队赛]LOTARY 1 / 1 7
14028 P14812   [Bulgarian2017组队赛]polymul 1 / 3 7
14089 P14873   [OOI2023 资格赛]Соберите станок组装机床 1 / 7 9
14172 P14956   [2026年重庆省队集训]排序大师 1 / 1 10
14204 P14988   [2026省选联测]企鹅 1 / 3 9
14234 P15018   [2026省选联测]玩具 1 / 1 8
14237 P15021   [2026省选联测]神 1 / 2 9
14402 P15186   [hacker2025 final]Lonesome Lookout 1 / 1 9
14427 P15211   [2026队内训练]故事结局 1 / 1 8
14526 P15310   [2026队内训练]庫的F序计数 1 / 1 9
14537 P15321   [2026队内训练]贸易 1 / 1 8
14584 P15369   [UOI2026] Tree Subsets 1 / 1 10
14591 P15376   [外校精选题]d 1 / 1 7
14609 P15394   [外校精选题]挑战多项式 (交互式) 1 / 1 7
14642 P15427   [ICPC 2026 APC] Minesweeper String 1 / 1 7
14674 P15459   [icpc2025 shanghai]Yet another 01 problem 1 / 1 9
14690 P15475   [2026四川省队集训]树状数组 1 / 1 9
14741 P15529   [HNOI2026省队集训]seq 2 / 2 9
14742 P15530   [HNOI2026省队集训]快速求和(sum) 2 / 2 9
14743 P15531   [HNOI2026省队集训]红魔馆警报器 2 / 2 10
14887 P15675   [Bulgarian2023训练营]Avl 1 / 1 7
14978 P15766   和式藏色计数 1 / 2 8
14985 P15773   环井砌筑 1 / 2 9
15040 P15829   [2025年山东集训第三轮]Ena的曲绘 1 / 1 10
15099 P15888   [Roi2023] Ultra mex 1 / 1 9
15416 P16205   [SEUSA 2025 Div 1]Rows of Stars星星行列 1 / 1 8
15506 P16295   [Ucpc2021]Stones 2 1 / 1 8
15522 P16311   [Ucpc2022]×+ +× 1 / 2 8
15546 P16335   [Ucpc2024]线程 1 / 1 8
15571 P16360   [2026年山东第二轮集训]逃生游戏 1 / 2 9
15666 P16455   星网扰动实验 1 / 1 9
15676 P16465   储能计划 1 / 2 9
15915 P16705   奖励 1 / 1 8

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