删掉 ios::sync_with_stdio(false);
by yukimianyan @ 2023-12-31 11:07:27
@[yukimianyan](/user/509229) 谢谢，您能告诉我原因吗
by algobase @ 2023-12-31 11:08:22
因为你关闭 stdio 和 iostream 的同步之后混用他们
by yukimianyan @ 2023-12-31 11:10:56
@[algobase](/user/299042)
```
ios::sync_with_stdio(false);
```
会关闭同步流，如果加上去就不要 `cout,printf` 混用
by __Tonycyt__ @ 2023-12-31 11:12:25