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codeforces 616F Expensive Strings
codeforces 616F Expensive Strings (广义后缀自动机)https://codeforces.com/contest/616/problem/F题意:给你n个字符串串,串SiS_iSi的权值为cic_ici,对于一个字符串sss有函数F(s)=∑i=1nci∗ps,i∗∣s∣F(s)=\sum_{i=1}^{n}c_i*p_{s,i}*|s|F(s)=i=...原创 2020-01-28 18:17:34 · 271 阅读 · 0 评论 -
牛客15334 Easygoing Single Tune Circulation
牛客15334 Easygoing Single Tune Circulation(后缀自动机+字典树)https://ac.nowcoder.com/acm/problem/15334题意:给你n个字符串S,每个字符串SiS_iSi都由小写字母组成且,每个字符仅出现一次。再给你m个查询串,问你当前查询串TTT是否是S中的某个字符串SiS_iSi的旋律(即Si+Si+Si+...S_i...原创 2020-02-11 17:15:04 · 482 阅读 · 0 评论