07 2019 档案

B. Odd Sum Segments CF（分割数组）
摘要：题目地址 http://codeforces.com/contest/1196/problem/B B. Odd Sum Segments time limit per test 3 seconds memory limit per test 256 megabytes input standard 阅读全文
posted @ 2019-07-25 10:13 liyexin 阅读(315) 评论(0) 推荐(0)
Corporative Network (有n个节点，然后执行I u，v（把u的父节点设为v）和E u（询问u到根节点的距离）)并查集
摘要：A very big corporation is developing its corporative network. In the beginning each of the N enterprises of thecorporation, numerated from 1 to N, org 阅读全文
posted @ 2019-07-19 16:20 liyexin 阅读(303) 评论(0) 推荐(0)