摘要: 题目:Substruct 网址:http://poj.org/problem?id=1722 Description We are given a sequence of N positive integers a = [a1, a2, ..., aN] on which we can perfor 阅读全文
posted @ 2020-05-31 14:26 大秦帝国 阅读(160) 评论(0) 推荐(0)