@[自动CE机](/user/227166) 把 `!q.empty()` 移到前面去
by FZzzz @ 2020-05-23 17:32:31
你这样会访问到 `q.front()`
by FZzzz @ 2020-05-23 17:33:18
@[自动CE机](/user/227166)
```cpp
while (!q.empty() && i - q.front() + 1 > m) {
q.pop_front();
}
while (!q.empty() && a[i] < a[q.back()]) {
q.pop_back();
}
```
by andyli @ 2020-05-23 17:33:44
@[自动CE机](/user/227166) 动态头像？？？
by Veranda @ 2020-05-23 17:41:09
@[FZzzz](/user/174045)
@[andyli](/user/84282)
感谢dalao!!!
（果然还是我太菜了
by 自动CE机 @ 2020-05-24 17:22:14