ID 题目 显示标签 隐藏标签 AC / 尝试 难度
12749 P13551   [TJOI2018]游园会 11 / 19 7
12760 P13560   [ICPC 2022 Yokohama R] Secure the Top Secret 1 / 3 8
12767 P13567   [ICPC 2021 Yokohama R] Reversible Compression 1 / 1 7
12782 P13582   [ICPC 2022 Seoul R] Longest Substring 1 / 2 9
12786 P13586   [ICPC 2023 Seoul R] Tandem Copy 1 / 1 8
12787 P13587   [ICPC 2023 Seoul R] Walk Swapping 1 / 1 7
12789 P13589   [ICPC 2024 Seoul R] Palindromic Length 1 / 1 8
12811 P13611   [ABC272F] Two Strings 1 / 3 6
12858 P13656   [ARC151E] Keep Being Substring 1 / 1 7
12903 P13701   CF506E E. Mr. Kitayuta's Gift 2 / 3 10
12904 P13702   [ARC113E] Rvom and Rsrev 1 / 1 7
12925 P13723   [ARC095E] Symmetric Grid 1 / 2 5
12949 P13747   [ARC065F] シャッフル 1 / 1 6
12959 P13757   ydc的题面 1 / 7 10
12963 P13761   [2019年备战北大冬令营][伦boy]fibonacci 1 / 2 10
12976 P13768   [2019年备战北大冬令营]复读机 1 / 1 9
12971 P13775   【PR #16】Matrix Game 7 / 18 5
12984 P13783   [2024年山东第二轮集训]粉兔的ddl(ddl) 1 / 1 9
12993 P13792   [toyota2023spring final] Forbidden Pattern 1 / 2 8
12995 P13794   TC12152 MapGuessing 3 / 15 8
13003 P13802   [codefestival2017 qualb]Largest Smallest Cyclic Shift 1 / 1 5
13030 P13829   [awtf2024]01 Inversion Expected 1 / 2 6
13040 P13839   [cf2017final]Combination Lock 1 / 2 6
13041 P13840   [cf2017final]Combination Lock 1 / 1 6
13046 P13845   [codefestival2017 qualb]101 to 010 1 / 1 5
13056 P13855   [mujin_pc2017]Robot and String 1 / 1 6
13064 P13863   [nomura2020]Binary Programming 1 / 1 8
13071 P13869   [2022年福建培训]滑冰 1 / 1 7
13077 P13873   [2022年福建培训]三角形网格 1 / 1 6
13079 P13875   [2022年福建培训]文字 1 / 1 8
13082 P13878   [2022年福建培训]丧心病狂出题人 1 / 1 10
13084 P13880   [ROIR 2026] XOR 染色 1 / 4 9
13095 P13888   [ROIR 2023] 一个普通的字符串问题 1 / 2 8
13096 P13889   [ROIR 2023] 彩点 1 / 1 8
13102 P13895   [ROIR 2018] 管道监控 1 / 1 7
13114 P13907   [2021年省选前集训]作曲家 1 / 1 8
13135 P13928   [ICPC 2024 LAC] Harmonic Operations 1 / 1 6
13143 P13936   [2024多校联盟省选模拟]串串题 1 / 1 10
13148 P13941   [2024多校联盟省选模拟]艾迪薇儿与卡牌 1 / 1 9
13170 P13958   [2024多校联盟省选模拟]漫絮散板 1 / 2 8
13172 P13960   [2024多校联盟省选模拟]划分 1 / 2 8
13187 P13975   [PA2020]Tekstówka 1 / 1 9
13192 P13986   「RMI 2025」Cheap AI 1 / 1 9
13199 P13993   November 4 / 37 9
13214 P14008   [USACO26JAN2] Lexicographically Smallest Path G 1 / 2 5
13219 P14013   [PA2016] 归约 / CNF-SAT 1 / 1 7
13239 P14033   [ICPC 2025 APC] Secret Lilies and Roses 1 / 1 4
13241 P14035   [ICPC 2024 APC] Antiparticle Antiphysics 1 / 1 9
13245 P14039   [省选联考 2026] 摩卡串 / string 4 / 210 9
13254 P14048   [USACO26FEB] Picking Flowers G 1 / 1 6
13259 P14053   [ICPC 2022 Jakarta R] Substring Sort 1 / 2 7
13267 P14061   [CCPC 2023 北京市赛] 勿蹖宠物 1 / 1 7
13285 P14078   [ICPC 2025 Jakarta R] Mugen E 1 / 1 7
13294 P14087   [ICPC 2020 Jakarta R] Token Distance 1 / 1 6
13299 P14092   [ICPC 2023 Jakarta R] Palindromic Parentheses 1 / 1 5
13318 P14111   [JAG 2025 Summer Camp #1] Chairs 1 / 1 7
13322 P14115   [JAG 2024 Summer Camp #3] Coins on a Tree 1 / 2 9
13331 P14124   [JAG 2025 Summer Camp #1] Inversion of Suffix Array 1 / 1 8
13336 P14129   [JAG 2024 Summer Camp #2] Expression Sum 1 / 1 6
13338 P14132   [JAG 2023 Summer Camp #3] LCP Queries 1 / 1 7
13346 P14140   字符串外挂 1 / 1 10
13349 P14143   [JOI 2024 Final] 路网服务 2 / Road Service 2 1 / 1 9
13369 P14163   [JOIST 2024] 乒乓球 / Table Tennis 1 / 2 9
13383 P14177   [JOI Open 2024] 考试 2 / Examination 2 1 / 1 9
13385 P14179   [北大集训 2025]异形工厂 1 / 1 10
13386 P14180   [北大集训 2025]字符串问题 1 / 1 10
13396 P14188   [清华集训 2024] 比赛 1 / 1 10
13403 P14195   [清华集训 2014] Router(无数据) 0 / 0 8
13406 P14198   [清华集训 2024] 阿尔塔尔 2 1 / 1 8
13410 P14201   [COCI 2025/2026 #2] 比赛 / Natjecanje 1 / 1 9
13425 P14216   [2026队测系列]信号阵列校准 2 / 2 5
13444 P14227   [PO Final 2023] 漏斗 / Hopper 1 / 1 9
13447 P14230   [PO Final 2024] 冰场之舞/The Ice Puzzle 1 / 2 8
13456 P14239   [ICPC 2018 Jakarta R] Smart Thief 1 / 4 6
13468 P14251   [EC Final 2022] Binary String 1 / 5 8
13469 P14252   [EC Final 2022] Minimum Suffix 1 / 4 9
13470 P14253   OOI 2023] A task for substrings / 字符串问题 1 / 11 10
13479 P14262   [GCJ 2012 #3] Lost Password 1 / 1 7
13490 P14273   [GCJ 2016 Finals] Integeregex 1 / 1 7
13500 P14283   [GCJ Farewell Round #3] Game Sort: Part 2 1 / 1 7
13501 P14284   [GCJ 2008 Finals] The Year of Code Jam 1 / 3 7
13503 P14286   [GCJ 2008 AMER SemiFinal] Code Sequence 1 / 2 5
13506 P14289   [GCJ 2009 Finals] Doubly-sorted Grid 1 / 2 8
13508 P14291   [GCJ 2009 #3] Interesting Ranges 1 / 1 8
13512 P14295   [GCJ 2010 Finals] Letter Stamper 1 / 1 7
13542 P14325   [GCJ 2015 Finals] Pretty Good Proportion 1 / 1 6
13550 P14333   [GCJ 2016 #3] Go++ 1 / 2 5
13552 P14335   [GCJ 2016 #2] Freeform Factory 1 / 1 7
13564 P14347   [PA 2026] 归并括号序列 / Splatanie nawiasów 1 / 5 10
13573 P14356   [PA 2026] Prüfer 序列 / Kod Prüfera 1 / 3 10
13584 P14367   [ICPC 2024 NAC] Comparator 1 / 1 6
13585 P14368   [ICPC 2024 NAC] Champernowne Substring 1 / 1 8
13593 P14376   [ICPC 2022 NAC] Cram 1 / 7 7
13595 P14378   [ICPC 2022 NAC] Transparency 1 / 2 6
13606 P14389   [ICPC 2017 NAIPC] Unbalanced Parentheses 1 / 1 7
13608 P14391   [ICPC 2017 NAIPC] Incremental Double Free Strings 1 / 1 7
13618 P14401   [ICPC 2019 NAIPC] Cutting Strings 1 / 2 7
13627 P14410   [ICPC 2016 NAIPC] K-Inversions 1 / 1 7
13642 P14425   [TOPC 2025] Fruitful Compression 1 / 1 6
13664 P14447   [2025 Southeast USA Regional Contest Divi 2]Swap for Palindrome 1 / 1 6

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