摘要: D - Silver Cow Party(双向边) 题目链接:https://vjudge.net/contest/66569#problem/D 题目: One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N i 阅读全文
posted @ 2019-07-18 17:43 branna 阅读(173) 评论(0) 推荐(0) 编辑