2020年11月20日
P2181 Diagonal
摘要： Description If there is a convex polygon with n vertices, None of its three diagonals intersect at one point. Please compute the diagonals intersect p 阅读全文
posted @ 2020-11-20 16:00 咕咕鸟GGA 阅读(108) 评论(0) 推荐(0)