2016年11月25日
hdu 3974 Assign the task （线段树+树的遍历）
摘要： Description There is a company that has N employees(numbered from 1 to N),every employee in the company has a immediate boss (except for the leader of 阅读全文
posted @ 2016-11-25 09:31 抓不住Jerry的Tom 阅读(328) 评论(0) 推荐(0)