2017年2月16日
HDU3265 线段树（扫描线）
摘要： Posters Problem Description Ted has a new house with a huge window. In this big summer, Ted decides to decorate the window with some posters to preven 阅读全文
posted @ 2017-02-16 11:03 luckilzy 阅读(460) 评论(0) 推荐(0)