2017年6月2日
Surround the Trees HDU 1392 凸包
摘要： Problem Description There are a lot of trees in an area. A peasant wants to buy a rope to surround all these trees. So at first he must know the minim 阅读全文
posted @ 2017-06-02 17:37 joeylee97 阅读(150) 评论(0) 推荐(0) 编辑