vector下标是从0开始的
所以初始化的时候要用$n+1$
```
vector<int> times(n+1)
```
AC记录：https://www.luogu.com.cn/record/133711043
by Sicosuki @ 2023-11-06 20:12:25
@[Sky_lzr03](/user/747009)
by Sicosuki @ 2023-11-06 20:12:43
@[Sicosuki](/user/914358)
感谢，已关
by Spir1t @ 2023-11-06 20:31:40