夏荷浅梦

未归档

读书笔记(1) 题解(6)

/ 注册

全部文章 / 未归档（共1篇）

洛谷 P2982 [USACO10FEB]慢下来Slowing down

题目描述 Every day each of Farmer John's N (1 <= N <= 100,000) cows conveniently numbered 1..N move from the barn to her private pasture. The pastur...

洛谷线段树 dfs序

2019-03-21

0 461