文章标题

AC代码：

include

using namespace std;
int main()
{ 重点内容
char ch;
int n,i,j;
int flag=0;
while(cin>>ch&&ch!=’@’){
cin>>n;
if(flag) cout<

include

define N 100

using namespace std;
int main(void)
{
char c;

int n;int flag=0;while ((cin>>c)&&c!='@'&&cin>>n){    int i,j;    char str[N][N];    if(flag) cout<<endl;    flag=1;    for (i=1; i<=n; i++){        for (j=1; j<2*n; j++){            if (j == (n-i+1) || j == (n+i-1)){            str[i][j] = c;            }            else            str[i][j] = ' ';            }        if (i==n){                for(j=1; j<2*n; j++)                str[i][j] = c;            }        }        for (i=1; i<=n; i++){        for (j=1; j<2*n; j++){            cout<<str[i][j];        }        cout<<endl;    }}return 0;

}