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2019年10月27日
POJ2406-Power Strings-KMP循环节/哈希循环节
摘要： 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 concate 阅读全文
posted @ 2019-10-27 21:57 抓水母的派大星 阅读(268) 评论(0) 推荐(0)