@[s_h_r666888](https://www.luogu.com.cn/user/1161241) 19行
```cpp
if (a1.b - a1.a <= b1.a - b1.b)
```
改为
```cpp
if (a1.b - a1.a <= b1.b - b1.a)
```
by Qiu101029 @ 2024-07-18 22:53:40
53至56行可能要删掉，已经排好序了
by Qiu101029 @ 2024-07-18 22:57:05