字符串 - 题库

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共 245 道题

ID	题目显示标签隐藏标签	AC / 尝试	难度
4329	CF1304B Longest Palindrome GESP二级 CodeForces CF-1100 SPJ 枚举构造贪心模拟字符串	1 / 1	5
4290	CF1324B Yet Another Palindrome Problem GESP二级 CodeForces CF-1100 枚举字符串	1 / 1	5
4331	CF1342B Binary Period GESP二级 CodeForces CF-1100 SPJ 构造字符串	1 / 1	5
2840	CF1367A Short Substrings GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
1790	CF1374C Move Brackets GESP二级 CodeForces CF-1000 贪心字符串	1 / 1	5
2858	CF1397A Juggling Letters GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
2905	CF1400A String Similarity GESP一级 CodeForces CF-800 SPJ 构造字符串	1 / 1	3
4310	CF1428C ABBB GESP二级 CodeForces CF-1100 枚举数据结构贪心字符串	1 / 1	5
3975	CF1451B Non-Substring Subsequence GESP二级 CodeForces CF-900 动态规划贪心模拟字符串	1 / 1	4
2903	CF1462B Last Year's Substring GESP二级 CodeForces CF-800 动态规划模拟字符串	1 / 1	3
1814	CF1473B String LCM GESP三级 CodeForces CF-1000 枚举数学数论字符串	1 / 1	5
2914	CF1480A Yet Another String Game GESP一级 CodeForces CF-800 博弈论贪心字符串	1 / 1	3
2915	CF1481A Space Navigation GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
3982	CF1496A Split it! GESP一级 CodeForces CF-900 枚举构造贪心字符串	1 / 1	4
2932	CF1504A Déjà Vu GESP一级 CodeForces CF-800 SPJ 构造字符串	1 / 1	3
1821	CF1506C Double-ended Strings GESP一级 CodeForces CF-1000 枚举模拟字符串	1 / 1	5
2957	CF1539B Love Song GESP二级 CodeForces CF-800 动态规划模拟字符串	1 / 1	3
2959	CF1547B Alphabetical Strings GESP一级 CodeForces CF-800 贪心模拟字符串	1 / 1	3
2966	CF1551B1 Wonderful Coloring - 1 GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
2964	CF1552A Subsequence Permutation GESP一级 CodeForces CF-800 排序字符串	1 / 1	3
3137	CF1567A Domino Disaster GESP一级 CodeForces CF-800 SPJ 模拟字符串	1 / 1	3
4573	CF1575A Another Sorting Problem GESP三级 CodeForces CF-1100 数据结构排序字符串	1 / 1	5
2981	CF1579A Casimir's String Solitaire GESP一级 CodeForces CF-800 数学字符串	1 / 1	3
4220	CF1606A AB Balance GESP一级 CodeForces CF-900 SPJ 字符串	1 / 1	4
2996	CF1607A Linear Keyboard GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
4629	CF1609B William the Vigilant GESP二级 CodeForces CF-1100 模拟字符串	1 / 1	5
4582	CF1616B Mirror in the String GESP三级 CodeForces CF-1100 贪心字符串	1 / 1	5
3004	CF1617A Forbidden Subsequence GESP一级 CodeForces CF-800 构造贪心排序字符串	1 / 1	3
3006	CF1619A Square String? GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
4586	CF1626B Minor Reduction GESP三级 CodeForces CF-1100 贪心字符串	1 / 1	5
3032	CF1634A Reverse and Concatenate GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
3044	CF1650A Deletions of Two Adjacent Letters GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
3048	CF1654B Prefix Removals GESP一级 CodeForces CF-800 字符串	1 / 1	3
4597	CF1670B Dorms War GESP二级 CodeForces CF-1100 枚举模拟字符串	1 / 1	5
3067	CF1673A Subtle Substring Subtraction GESP一级 CodeForces CF-800 博弈论贪心字符串	1 / 1	3
4596	CF1673B A Perfectly Balanced String? GESP二级 CodeForces CF-1100 枚举贪心字符串	1 / 1	5
1848	CF1674C Infinite Replacement GESP三级 CodeForces CF-1000 组合数学模拟字符串	1 / 1	5
3071	CF1676C Most Similar Words GESP一级 CodeForces CF-800 枚举贪心模拟数学字符串	1 / 1	3
3078	CF1682A Palindromic Indices GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
3079	CF1684A Digit Minimization GESP一级 CodeForces CF-800 构造博弈论数学字符串	1 / 1	3
3140	CF1703A YES or YES? GESP一级 CodeForces CF-800 枚举模拟字符串	1 / 1	3
3106	CF1703C Cypher GESP一级 CodeForces CF-800 枚举模拟字符串	1 / 1	3
4606	CF1703D Double Strings GESP二级 CodeForces CF-1100 枚举数据结构字符串	1 / 1	5
3110	CF1706A Another String Minimization Problem GESP一级 CodeForces CF-800 2-SAT 构造贪心后缀数据结构字符串	1 / 1	3
3278	CF1729B Decode String GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
4612	CF1729C Jumping on Tiles GESP二级 CodeForces CF-1100 SPJ 构造字符串	1 / 1	5
4026	CF1737A Ela Sorting Books GESP一级 CodeForces CF-900 贪心模拟字符串	1 / 1	4
3160	CF1741A Compare T-Shirt Sizes GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
3259	CF1758A SSeeeeiinngg DDoouubbllee GESP一级 CodeForces CF-800 SPJ 构造字符串	1 / 1	3
3260	CF1759A Yes-Yes? GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
3262	CF1760B Atilla's Favorite Problem GESP一级 CodeForces CF-800 贪心模拟字符串	1 / 1	3
3289	CF1779A Hall of Fame GESP一级 CodeForces CF-800 SPJ 构造贪心字符串	1 / 1	3
3301	CF1789B Serval and Inversion Magic GESP一级 CodeForces CF-800 枚举模拟字符串双指针扫描	1 / 1	3
3303	CF1790A Polycarp and the Day of Pi GESP一级 CodeForces CF-800 模拟数学字符串	1 / 1	3
3304	CF1791A Codeforces Checking GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
1873	CF1791D Distinct Split GESP一级 CodeForces CF-1000 枚举贪心字符串	1 / 1	5
3310	CF1794A Prefix and Suffix Array GESP一级 CodeForces CF-800 字符串	1 / 2	3
3311	CF1795A Two Towers GESP一级 CodeForces CF-800 枚举模拟字符串	1 / 2	3
3313	CF1796A Typical Interview Problem GESP一级 CodeForces CF-800 枚举模拟字符串	1 / 2	3
1886	CF1796B Asterisk-Minor Template GESP一级 CodeForces CF-1000 SPJ 模拟字符串	1 / 1	5
3320	CF1800A Is It a Cat? GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
1888	CF1800B Count the Number of Pairs GESP二级 CodeForces CF-1000 贪心字符串	1 / 1	5
3321	CF1805B The String Has a Target GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
3325	CF1807C Find and Replace GESP一级 CodeForces CF-800 贪心模拟字符串	1 / 1	3
3328	CF1811A Insert Digit GESP一级 CodeForces CF-800 贪心数学字符串	1 / 1	3
3335	CF1820A Yura's New Name GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
4652	CF1820B JoJo's Incredible Adventures GESP二级 CodeForces CF-1100 数学字符串双指针扫描	1 / 1	5
3341	CF1825A LuoTianyi and the Palindrome String GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
3342	CF1829A Love Story GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
3349	CF1832A New Palindrome GESP一级 CodeForces CF-800 字符串	1 / 1	3
3348	CF1833A Musical Puzzle GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
3354	CF1840A Cipher Shifer GESP一级 CodeForces CF-800 模拟字符串双指针扫描	1 / 1	3
3366	CF1846B Rudolph and Tic-Tac-Toe GESP一级 CodeForces CF-800 枚举模拟字符串	1 / 1	3
3369	CF1850C Word on the Paper GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
4051	CF1860A Not a Substring GESP一级 CodeForces CF-900 SPJ 构造字符串	1 / 1	4
3381	CF1862A Gift Carpet GESP二级 CodeForces CF-800 动态规划贪心模拟字符串	1 / 1	3
4669	CF1864B Swap and Reverse GESP二级 CodeForces CF-1100 构造贪心排序字符串	1 / 1	5
4672	CF1867B XOR Palindromes GESP二级 CodeForces CF-1100 位运算构造字符串	1 / 1	5
3394	CF1881A Don't Try to Count GESP一级 CodeForces CF-800 枚举字符串	1 / 1	3
4059	CF1883B Chemistry GESP一级 CodeForces CF-900 字符串	1 / 1	4
3404	CF1894A Secret Sport GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
4056	CF1896B AB Flipping GESP一级 CodeForces CF-900 贪心字符串双指针扫描	1 / 1	4
3409	CF1898A Milica and String GESP一级 CodeForces CF-800 SPJ 枚举模拟字符串	1 / 1	3
3411	CF1900A Cover in Water GESP一级 CodeForces CF-800 构造贪心模拟字符串	1 / 1	3
2630	CF1907B YetnotherrokenKeoard GESP一级 CodeForces CF-1000 数据结构模拟字符串	1 / 1	5
3417	CF1912L LOL Lovers GESP一级 CodeForces CF-800 SPJ 字符串	1 / 1	3
1905	CF1913B Swap and Delete GESP二级 CodeForces CF-1000 字符串	1 / 1	5
3418	CF1914A Problemsolving Log GESP一级 CodeForces CF-800 模拟字符串	1 / 1	3
4230	CF1915D Unnatural Language Processing GESP一级 CodeForces CF-900 SPJ 贪心模拟字符串	1 / 1	4
4689	CF1917B Erase First or Second Letter GESP四级 CodeForces CF-1100 枚举组合数学数据结构动态规划字符串	1 / 1	5
3430	CF1922A Tricky Template GESP一级 CodeForces CF-800 构造模拟字符串	1 / 1	3
3434	CF1925A We Got Everything Covered! GESP一级 CodeForces CF-800 SPJ 构造贪心字符串	1 / 1	3
3437	CF1927A Make it White GESP一级 CodeForces CF-800 贪心字符串	1 / 1	3
4064	CF1927B Following the String GESP一级 CodeForces CF-900 SPJ 构造贪心字符串	1 / 1	4
3443	CF1931A Recovering a Small String GESP一级 CodeForces CF-800 枚举字符串	1 / 1	3
3449	CF1935A Entertainment in MAC GESP一级 CodeForces CF-800 构造字符串	1 / 1	3
4062	CF1941C Rudolf and the Ugly String GESP二级 CodeForces CF-900 动态规划贪心字符串	1 / 1	4
3468	CF1971B Different String GESP一级 CodeForces CF-800 SPJ 模拟字符串	1 / 1	3
4705	CF1971D Binary Cut GESP四级 CodeForces CF-1100 动态规划贪心模拟排序字符串	1 / 1	5
3472	CF1974B Symmetric Encoding GESP一级 CodeForces CF-800 模拟排序字符串	1 / 1	3

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