[RE记录](https://www.luogu.com.cn/record/123927846)
by MC_OIer @ 2023-09-06 14:29:52
@[linhaoyu2005](/user/1070708) sort函数需要保证比较唯一性
by 幻想繁星 @ 2023-09-06 14:31:21
```cpp
bool cmp(node a,node b){
return a.l<b.l;
}
```
by 幻想繁星 @ 2023-09-06 14:31:36
虽然听不懂，但大受震撼
by MC_OIer @ 2023-09-06 14:36:21
谢谢dalao,但没听懂为啥
by MC_OIer @ 2023-09-06 14:37:34
@[幻想繁星](/user/649095) 这是为什么？
by wzh_Prince @ 2023-09-06 21:52:36
sort函数是快速排序
它会来回比较
等于号可能会让它死循环吧 狗头
by GUANJUNHOU @ 2023-09-19 18:15:45