摘要:
简单的leetcode题 环绕字符串中唯一的子字符串 把字符串 s 看作是$“abcdefghijklmnopqrstuvwxyz”$的无限环绕字符串,所以 s 看起来是这样的$“zabcdefghijklmnopqrstuvwxyzabcdefghijklm....”$ 现在我们有了另一个字符串 阅读全文
摘要:
Codeforces Round 599 (Div. 2) D. 0 1 MST Description Ujan has a lot of useless stuff in his drawers, a considerable part of which are his math noteboo 阅读全文