``` scanf("%d",n);```
scanf("%d",&n);
才对，大哥
by __qlzxlyc41__ @ 2022-04-08 22:53:08
@[AnthonyEric](/user/534532)
by __qlzxlyc41__ @ 2022-04-08 22:53:17
@[AnthonyEric](/user/534532)
你 $n$ 没加取值符 `&n`
```cpp
scanf("%d", n);
```
改为
```cpp
scanf("%d", &n);
```
by 王梓涵 @ 2022-04-08 22:53:18
@[王梓涵](/user/378120) 但是为啥输入样例的时候下面会换行然后输出一个0
by AnthonyEric @ 2022-04-08 22:54:58
@[__qlzxlyc41__](/user/669527) 但是为啥输入样例的时候下面会换行然后输出一个0
by AnthonyEric @ 2022-04-08 22:55:18