题解 | #牛牛的字符菱形#

#include <stdio.h>

int main()
{
    int i = getchar();
    int n = 3;
    int a,b;
    for (a = 1 ; a <= n ; a++)
    {
        for (b = 1 ; b <= n-a ;b++)
        {
            printf(" ");
        }
        for (b = 1 ; b <= 2*a-1 ; b++)
        {
            printf("%c",i);
        }
        printf("\n");
    }
    for (a = 1 ; a <= (n-1) ; a++)
    {
        for (b = 1 ; b <= a ;b++)
        {
            printf(" ");
        }
        for (b = 1 ; b <= ((2*n)-1-(2*a)) ; b++)
        {
            printf("%c",i);
        }
        printf("\n");
    }
    return 0;
}