摘要: http://acm.hdu.edu.cn/showproblem.php?pid=5124 Problem Description John has several lines. The lines are covered on the X axis. Let A is a point which 阅读全文
posted @ 2014-12-05 21:22 人艰不拆_zmc 阅读(320) 评论(0) 推荐(0) 编辑