assert 了一下 : `assert(!flg[A][B]||(flg[A][B]==C));` 然后 RE . 所以说数据可能不合法 .
by Purslane_Ma @ 2022-04-04 18:25:28
@[meyi](/user/67942) @[litdarkness](/user/55211) 帮忙看一下 .
by Purslane_Ma @ 2022-04-04 18:26:10
@[小粉兔](/user/10703)
by Purslane_Ma @ 2022-04-04 18:27:52
@[Ma_Zhixian](/user/120947) assert放哪了啊...看不太明白
~~（wtcl）~~
by Sudohry @ 2022-04-04 18:32:56
@[Ma_Zhixian](/user/120947) 您这Code交上去RE啊...~~这怎么改~~
by Sudohry @ 2022-04-04 18:39:21
@[Ma_Zhixian](/user/120947) 没写过这题，等我做一下 
by meyi @ 2022-04-04 19:37:11
```
memset(e,-1,sizeof(e));
while(~scanf("%lld%lld%lld",&a,&b,&c))
{
if(e[a][b]!=-1&&e[a][b]!=c)puts("!!");
e[a][b]=e[b][a]=c;
}
```
wa 掉的点输出了 `!` ，应该是数据问题？
by z100627 @ 2022-04-04 21:55:14
@[小粉兔](/user/10703) 方便开放数据下载吗？
by Purslane_Ma @ 2022-04-08 18:52:40