题解 | 牛牛的字符菱形

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
    int a, b = 0;
    char m = 0;
    scanf("%c", &m);
    int n = 3;
    for (a = 1;a <= n; a++)
    {
        for (b = 0; b < ((2 * n) - 1 - (2*a-1)) / 2; b++)
        {
            printf(" ");
        }
        for (b = 0; b < 2 * a - 1; b++)
        {
            printf("%c", m);
        }
        for (b = 0; b < (2 * n - 1 - (2*a-1)) / 2; b++)
        {
            printf(" ");
        }
        printf("\n");
    }
    for (a = 2;a > 0; a--)
    {
        for (b = 0; b < ((2 * n) - 1 - (2*a-1)) / 2; b++)
        {
            printf(" ");
        }
        for (b = 0; b < 2 * a - 1; b++)
        {
            printf("%c", m);
        }
        for (b = 0; b < (2 * n - 1 - (2*a-1)) / 2; b++)
        {
            printf(" ");
        }
        
        printf("\n");
    }

    return 0;
}