摘要: tetrahedron 传送门 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem DescriptionGiven four points ABCD, if ABCD is 阅读全文
posted @ 2016-07-20 14:52 Pat 阅读(203) 评论(0) 推荐(0) 编辑