还是说洛谷评测机缺氧了？？？(
by sjzez__chess @ 2023-06-24 16:16:16
洛谷最高o2优化吧
by yangcpp @ 2023-06-24 16:22:58
@[sjzez__chess](/user/817044)
```cpp
bool operator<(const node &S)const { sum < S.sum; }
```
神秘的。
by liangbowen @ 2023-06-24 16:23:57
@[liangbowen](/user/367488) 我天，您就是列文虎克啊！
by sjzez__chess @ 2023-06-24 16:24:38
此帖终
by sjzez__chess @ 2023-06-24 16:26:50