题解 | 牛牛的字符菱形

#include <stdio.h>
int main() {
    char ch;
    scanf("%c", &ch);
    for (int i = 0; i < 5; i++) {
        for (int j = 0; j < 5; j++) {
            if (((i == 1 || i == 3) && (j == 2 || j == 3 || j == 1)) || i == 2 ||
                    ((i == 0 || i == 4) && j == 2)) {
                printf("%c", ch);
            } else {
                printf(" ");
            }

        }
        printf("\n");
    }
    return 0;
}