HDU3974 Assign the task —— dfs时间戳 + 线段树
摘要:
题目链接:https://vjudge.net/problem/HDU-3974 There is a company that has N employees(numbered from 1 to N),every employee in the company has a immediate b 阅读全文
posted @ 2017-10-24 21:55 h_z_cong 阅读(284) 评论(0) 推荐(0)