目测是洛谷的TLE误判为RE了。。。
by Siyuan @ 2018-04-25 22:41:54
可O2也是RE@[siyuan](/space/show?uid=49725)
by 凑_友希那 @ 2018-04-25 22:42:38
```cpp
while (lty.front().s <= i - k)
lty.pop_front();
```
你Que里可能就剩一个数了（前一行push进去的），然而你是`while`，每次不check一下Que是否empty的吗？。。@[ILLF_mTx](/space/show?uid=60886)
by SeKong @ 2018-04-26 07:54:38
```cpp
while (lty.size() && lty.front().s <= i - k)
lty.pop_front();
```
可是还是RE了
@[Skqliao](/space/show?uid=38018)
by 凑_友希那 @ 2018-04-26 12:36:19
$N\leq 2000000$ @[ILLF_mTx](/space/show?uid=60886)
by SeKong @ 2018-04-26 14:33:35
这...
by 凑_友希那 @ 2018-04-26 21:36:01
~~手写队列好啊~~
by Juanzhang @ 2018-07-25 10:15:35