2017年10月4日
hdu 4123--Bob’s Race(树形DP+RMQ)
摘要： 题目链接 Problem Description Bob wants to hold a race to encourage people to do sports. He has got trouble in choosing the route. There are N houses and N 阅读全文
posted @ 2017-10-04 19:44 茶飘香~ 阅读(327) 评论(0) 推荐(0) 编辑