@[幻想繁星](/user/649095) 注意特判dis==0的情况
```cpp
if (dis >= -1e-10 && dis <= 1e-10)
continue;
```
by zzzyyyyhhhhh @ 2024-04-07 17:19:57
@[zzzyyyyhhhhh](/user/1088663) thx
by 幻想繁星 @ 2024-04-07 17:54:43