2017年2月8日
POJ 2553 The Bottom of a Graph
摘要： Description We will use the following (standard) definitions from graph theory. Let V be a nonempty and finite set, its elements being called vertices 阅读全文
posted @ 2017-02-08 17:52 拿叉插猹哈 阅读(149) 评论(0) 推荐(0)
1961 Period
摘要： Description For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know wh 阅读全文
posted @ 2017-02-08 10:50 拿叉插猹哈 阅读(172) 评论(0) 推荐(0)