摘要:
Ping pong Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2691 Accepted: 996 Description N(3<=N<=20000) ping pong players live along a west 阅读全文
摘要:
题目链接: 题意:给定一些高度都相同的海报去贴,问最后能看见几张海报 The picture below illustrates the case of the sample input. { 8,9,10}那张被覆盖看不到, 分析:看了大神们的博客大神是一看就是线段树,可是我都知道是线段树了也不知 阅读全文