题解 | 牛牛的字符菱形

#include <stdio.h>
#include <stdlib.h>

int main() {
    char c;
    scanf("%c", &c);
    for (int i = -2; i < 3; i++)
    {
        for (int j = abs(i); j > 0; j--)
        {
            printf(" ");
        }
        for (int k = -2*abs(i)+5; k > 0; k--)
        {
            printf("%c", c);
        }
        printf("\n");
    }
    return 0;
}