Codeforces Round #379 (Div. 2) E. Anton and Tree —— 缩点 + 树上最长路
摘要:
题目链接:http://codeforces.com/contest/734/problem/E E. Anton and Tree time limit per test 3 seconds memory limit per test 256 megabytes input standard in 阅读全文
posted @ 2017-06-11 16:21 h_z_cong 阅读(179) 评论(0) 推荐(0) 编辑