摘要: 题目链接:http://poj.org/problem?id=1269 题面: Description We all know that a pair of distinct points on a plane defines a line and that a pair of lines on a 阅读全文
posted @ 2018-04-11 13:34 Dillonh 阅读(647) 评论(0) 推荐(0) 编辑