已过
```cpp
if (!tvis[it.first])
{
que.push(node(it.first, ans[it.first]));
tvis[it.first] = true;
}
````
这里的问题
by cat152 @ 2024-03-25 18:16:32
借楼警钟,我也WA1,3,4,是因为我按无向边算了
by I_sland @ 2024-04-04 14:03:55