题解 | #菱形图案#

#include <stdio.h>

int main() {
    int n;
    while (scanf("%d", &n) != EOF) {
        for (int i = 0; i <= n; i++) {
            for (int j = 0; j < n - i; j++) {
                printf(" ");
            }
            for (int k = 0; k <= i; k++) {
                printf("* ");
            }
           
            printf("\n");
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < i + 1 ; j++) {
                printf(" ");
            }
            for (int k = 0; k < n - i; k++) {
                printf("* ");
            }
            
            printf("\n");
        }
    }
    return 0;
}