2018年9月4日
TZOJ 5103 Electric Fence（皮克定理）
摘要： 描述 In this problem, `lattice points' in the plane are points with integer coordinates. In order to contain his cows, Farmer John constructs a triangul 阅读全文
posted @ 2018-09-04 14:10 真想不出名字了 阅读(259) 评论(0) 推荐(1) 编辑