摘要: 测试地址:3-idiots 题目大意:有n" role="presentation" style="position: relative;">nn条线段,问从里面随机取3" role="presentation" style="position: relat... 阅读全文
posted @ 2018-02-15 21:41 Maxwei_wzj 阅读(107) 评论(0) 推荐(0) 编辑