#include "iostream.h"
int main()
{
    int n,t;
    cout<<"请输入数字n"<<endl;
    cin>>n;
    t=n/2+1;
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            if (i==t || j==t)
            {
                if (i==t)
                {
                    cout<<' '<<'*';
                }
                else
                {
                    cout<<;'*';
                }
            }
            else
            {
                cout<<' ';
            }
        }
        cout<<'\n';
    }
    return 0;
}

 

新手尝试 写得不好