矿大OJ 1768.Power Strings.
摘要:
题目描述 Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of co 阅读全文
posted @ 2020-05-03 17:37 The0Y 阅读(336) 评论(5) 推荐(1) 编辑