CF1195F Geometers Anonymous Club

题目描述

n个凸多边形 $(1

输入格式

输出格式

说明/提示

Description of the example: ![](https://cdn.luogu.com.cn/upload/vjudge_pic/CF1195F/7fef00df88160094dee94144ed635016f4f9336b.png) First, second and third polygons from the example ![](https://cdn.luogu.com.cn/upload/vjudge_pic/CF1195F/b26197f6a29c4e49f72b5ed1cd886243ac11f90c.png) Minkowski sums of the first and second, the second and third and all polygons correspondingly