这题不能用普通数组，用map才能过
by Aakkosetsumussa @ 2023-02-08 09:18:51
猜你想找：@[听取MLE声一片](/user/253738)
by olegekei @ 2023-02-08 09:46:00
vector
by Tx1234567 @ 2023-02-10 20:46:20
[?](https://www.luogu.com.cn/record/list?pid=P3613&user=Tx1234567&page=1)
by him0715 @ 2023-02-23 21:04:55