字符串

ID	题目显示标签隐藏标签	AC / 尝试	难度
1152	USACO124 Palindromic Squares 字符串数学进制	0 / 0	3
1156	USACO133 Calf Flac 字符串回文自动机PAM Manacher算法	0 / 0	4
1163	USACO152 Prime Palindromes 数论字符串回文自动机PAM	0 / 0	3
1171	USACO221 Preface Numbering 数学字符串模拟	0 / 0	3
1173	USACO223 Runaround Numbers 字符串模拟枚举	0 / 0	3
1175	USACO231 Longest Prefix 动态规划DP 字符串前缀和	0 / 0	4
1184	USACO245 Fractions to Decimals 数论模拟字符串	0 / 0	4
1189	USACO315 Contact 字符串哈希表后缀自动机SAM	0 / 0	4
1203	USACO342 American Heritage 树论递归字符串	0 / 0	3
1209	USACO414 Cryptcowgraphy 字符串搜索剪枝	0 / 0	8
1217	USACO434 Letter Game 字符串搜索暴力数据结构	0 / 0	3
1220	USACO443 Frame Up 图论拓扑排序字符串	0 / 0	6
1223	USACO513 Musical Themes 字符串后缀数组SA 差分	0 / 0	6
1233	USACO543 Character Recognition 字符串动态规划DP 模拟	0 / 0	6
1237	USACO552 Hidden Password 字符串后缀自动机SAM 后缀数组SA	0 / 0	5
1267	USACOC2214A Lonely Photo 字符串组合数学双指针two-pointer	0 / 0	5
1278	USACOC2224A Herdle 字符串模拟枚举	0 / 0	2

根据当前过滤条件随机选择一道题

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