2022年11月18日
codeforces 833(div2) B to D
摘要： cf833 div2 B.Diverse Substrings statement Find the number of substrings of $s$ consists of only $'0' \to '9'$ that satisfies max{alpha occurrences} $\ 阅读全文
posted @ 2022-11-18 00:24 BeyondLimits 阅读(31) 评论(0) 推荐(0) 编辑