题解 | #牛牛的字符菱形#

#include <stdio.h>

int main() {
    char ch;
    scanf("%c", &ch);

    int line_total = 1;
    for (int i=0; i<3; i++) {
        for (int n = 2-i; n > 0; n--){
            printf(" ");
        }
        for (int j=0; j<line_total; j++) {
            printf("%c", ch);
        }
        line_total += 2;
        printf("\n");
    }

    printf(" ");
    for (int p=3; p>0; p--){
        printf("%c", ch);
    }
    printf("\n");
    printf("%3c\n", ch);

    return 0;
}