网站介绍：文章浏览阅读250次。time limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA stringtis calledniceif a string "2017" occurs intas asubsequencebut a st..._codeforces new year and old subsequence
- 链接地址：https://blog.csdn.net/weixin_43731933/article/details/100706233
- 链接标题：Codeforces E. New Year and Old Subsequence (线段树 + dp + 矩阵)_codeforces new year and old subsequence-CSDN博客
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