ID 题目 显示标签 隐藏标签 AC / 尝试 难度
11567 P12417   [KTSC 2021] 会议室 1 / 1 7
11608 P12445   [UOI 2020] Topological Sorting of a Tree 1 / 1 7
11620 P12457   [UOI 2024] Lady's Gift 1 / 2 7
11627 P12464   [ICPC 2024 Yokohama R] Peculiar Protocol 1 / 2 7
11651 P12488   [EGOI2025]黑暗乘车 1 / 1 7
11653 P12490   [OOI 2025] Strong Connectivity Strikes Back 1 / 1 7
11678 P12515   [OOI 2023 Day 1]又一个 n 维巧克力 1 / 1 7
11680 P12517   [OOI 2023 Day 1]国王的问题 1 / 1 7
11688 P12525   [GDCPC 2024] 腊肠披萨 1 / 1 7
11708 P12545   [集训队互测 2024day4]数据库 1 / 2 7
11737 P12575   [集训队互测 2024day14]命运 1 / 1 7
11900 P12714   [GCJ Farewell Round #4] Old Gold 1 / 2 7
11906 P12720   [GCJ 2022 #1C] Intranets 1 / 1 7
11925 P12739   [致理杯 2025 div 1] 01-game 2 / 2 7
11973 P12787   平衡阵盘 1 / 1 7
11974 P12788   巨龙守卫 1 / 1 7
11992 P12806   海上的太阳 1 / 1 7
12000 P12814   双端魔咒 1 / 1 7
12009 P12823   钥匙迷宫 1 / 1 7
12010 P12824   缺失的子序列 1 / 1 7
12020 P12834   梦醒时刻 1 / 1 7
12042 P12856   预处理器 1 / 2 7
12080 P12894   [AGC001E] BBQ Hard 1 / 1 7
12089 P12905   [AGC005D] ~K Perm Counting 1 / 3 7
12096 P12912   [AGC007C] Pushing Balls 1 / 1 7
12109 P12925   [AGC011E] Increasing Numbers 1 / 1 7
12112 P12928   [AGC012D] Colorful Balls 1 / 1 7
12123 P12939   [AGC015E] Mr.Aoki Incubator 1 / 3 7
12154 P12970   [AGC025D] Choosing Points 1 / 1 7
12160 P12976   [AGC027E] ABBreviate 1 / 1 7
12175 P12991   [AGC031D] A Sequence of Permutations 1 / 1 7
12186 P13002   [AGC034D] Manhattan Max Matching 1 / 1 7
12197 P13013   [AGC037E] Reversing and Concatenating 1 / 1 7
12212 P13028   [AGC041E] Balancing Network 1 / 1 7
12232 P13048   [AGC047C] Product Modulo 1 / 2 7
12270 P13086   [AGC059C] Guessing Permutation for as Long as Possible 1 / 1 7
12309 P13125   [AGC068C] Ball Redistribution 1 / 1 7
12316 P13132   [ARC080F] Prime Flip 1 / 1 7
12323 P13139   [ARC094F] Normalization 1 / 1 7
12417 P13234   [ARC161E] Not Dyed by Majority (Cubic Graph) 1 / 1 7
12419 P13236   [ARC166E] Fizz Buzz Difference 1 / 1 7
12429 P13246   [集训队互测 2022day2]序列 1 / 1 7
12496 P13312   [2025年队测]最小和 1 / 1 7
12501 P13317   [2025年队测]旅程 1 / 1 7
12551 P13367   [ABC224H] Security Camera 2 1 / 1 7
12553 P13369   [ABC225G] X 2 / 2 7
12556 P13372   [ABC227H] Eat Them All 1 / 3 7
12566 P13382   [ABC233Ex] Manhattan Christmas Tree 1 / 2 7
12567 P13383   [ABC234Ex] Enumerate Pairs 2 / 2 7
12588 P13404   [ABC250Ex] Trespassing Takahashi 2 / 2 7
12592 P13408   [ABC254G] Elevators 2 / 2 7
12610 P13426   [ABC267Ex] Odd Sum 2 / 2 7
12628 P13446   [ABC285G] Tatami 2 / 2 7
12646 P13462   [ABC301G] Worst Picture 2 / 2 7
12654 P13470   [ABC307Ex] Marquee 2 / 2 7
12656 P13472   [ABC309G] Ban Permutation 2 / 2 7
12661 P13477   [ABC313G] Redistribution of Piles 2 / 2 7
12670 P13486   [ABC324G] Generate Arrays 2 / 2 7
12689 P13504   [ABC352G] Socks 3 2 / 2 7
12688 P13505   [ABC354G] Select Strings 2 / 2 7
12700 P13516   [ABC376G] Treasure Hunting 2 / 2 7
12703 P13519   [2025年队测]排序 1 / 2 7
12705 P13521   [2025年队测]游戏机 1 / 1 7
12706 P13522   [2025年队测]黑塔女士举世无双 1 / 1 7
12719 P13535   [ARC070E] NarrowRectangles 1 / 1 7
12723 P13539   [ABC313F] Flip Machines 1 / 1 7
12726 P13544   [NOIP2025] 序列询问 / query(民间数据) 3 / 7 7
12755 P13555   [ICPC 2019 Yokohama R] Twin Trees Bros 1 / 1 7
12765 P13565   [ICPC 2019 Yokohama R] Wall Painting 1 / 1 7
12774 P13574   [ICPC 2024 Yokohama R] Peculiar Protocol 1 / 1 7
12775 P13575   [ICPC 2024 Yokohama R] The Farthest Point 1 / 1 7
12832 P13630   [ARC172E] Last 9 Digits 1 / 1 7
12841 P13639   [ARC165D] Substring Comparison 1 / 1 7
12852 P13650   [ARC157E] XXYX Binary Tree 1 / 2 7
12865 P13663   [ARC146D] >=< 1 / 1 7
12881 P13679   [ARC128E] K Different Values 1 / 1 7
12884 P13682   [ARC127D] Sum of Min of Xor 1 / 1 7
12885 P13683   [ARC126E] Infinite Operations 1 / 1 7
12908 P13706   [ARC109E] 1D Reversi Builder 1 / 1 7
12935 P13733   [ARC078F] Mole and Abandoned Mine 1 / 1 7
12942 P13740   [ARC070E] NarrowRectangles 1 / 1 7
12974 P13766   [2019年备战北大冬令营]矩阵计数 1 / 1 7
12999 P13798   [toyota2023spring final]Git Gud 1 / 1 7
13000 P13799   [tenka1 2017]ModularPowerEquation!! 1 / 2 7
13002 P13801   [codefestival_2016final]Neue Spiel 1 / 1 7
13010 P13809   [codefestival2017 qualc]Three Gluttons 1 / 2 7
13012 P13811   [cf2017final]Poor Penguin 1 / 1 7
13015 P13814   tokiomarine2020_f Triangles 1 / 3 7
13016 P13815   nomura2020_f Sorting Game 1 / 1 7
13043 P13842   [cf2017final]Tree MST 1 / 1 7
13049 P13848   [codefestival2016 final]Reverse Grid 1 / 1 7
13057 P13856   [tenka1_2017]CARtesian Coodinate 1 / 1 7
13075 P13871   [2022年福建培训]序列 1 / 1 7
13086 P13882   [ROIR 2026] 筹码放置 1 / 1 7
13100 P13893   [ROIR 2019] 配对 1 / 1 7
13101 P13894   [ROIR 2018] 大数据处理 1 / 2 7
13103 P13896   [ROIR 2017] 挖矿机器人 1 / 5 7
13104 P13897   [ROIR 2017] 培训 1 / 11 7
13107 P13900   [2021年省选前集训]重生 1 / 2 7
13119 P13912   [2021年省选前集训]计数 1 / 1 7

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