@[lucy2012](/user/1252442)
样例正确输出:
```cpp
@@@@@@@
@ @
@ @
@ @
@ @
@ @
@@@@@@@
```
你的输出:
```cpp
@@@@@@@
@@
@@
@@
@@
@@
@@@@@@@
```
by wzj0829 @ 2024-02-12 19:34:38
@[lucy2012](/user/1252442) 楼上正解,你没输出空格,完整AC代码:
```cpp
#include<bits/stdc++.h>
using namespace std;
int main() {
int a,b,f;
char ch;
cin>>a>>b>>ch>>f;
for(int i=1;i<=a;i++){
for(int j=1;j<=b;j++){
if(f==0){
if(i==1||i==a||j==1||j==b)
cout<<ch;
else
cout<<" ";
}else
cout<<ch;
}
cout<<endl;
}
return 0;
}
```
by __Rickysun__ @ 2024-02-12 19:37:55
@[lucy2012](/user/1252442)
在第 $11$ 行下面加一个
`else cout<<" ";`
by wzj0829 @ 2024-02-12 19:38:08
@[wzj0829](/user/1028403) 谢谢!
by lucy2012 @ 2024-02-12 19:46:48