题解 | #牛牛的字符菱形#

#include<iostream>
using namespace std;
int main()
{
    int i;
    int j;
    char a;
    cin>>a;
    
    for(i=0;i<5;i++)
    {
        if(i<3)
        {
            for(j=0;j<2*i+1;j++)
            {
                if((i==0)&&(j==0))
                {
                    cout<<"  ";
                }
                if ((i==1)&&(j==0))
                {
                     cout<<" ";
                }
                cout<<a;
            
            }
            cout<<endl;
        }
        else {
            for(j=0;j<9-2*i;j++)
            {
                if((i==3)&&(j==0))
                {
                    cout<<" ";
                }
                if((i==4)&&(j==0))
                {
                    cout<<"  ";
                }
                cout<<a;
            }
        cout<<endl;
        }
    }
    

}