摘要: https://www.luogu.org/problem/show?pid=2934 题目描述 Gremlins have infested the farm. These nasty, ugly fairy-like creatures thwart the cows as each one w 阅读全文
posted @ 2017-08-21 20:33 Aptal丶 阅读(683) 评论(0) 推荐(0)
摘要: http://www.cogs.pro/cogs/problem/problem.php?pid=2478 ★☆ 输入文件:easy_LCA.in 输出文件:easy_LCA.out 简单对比时间限制:2 s 内存限制:128 MB 【题目描述】 给定一棵有n个节点的有根树,根节点为1,每个节点有一 阅读全文
posted @ 2017-08-21 14:33 Aptal丶 阅读(210) 评论(0) 推荐(0)