题解 | #菱形图案#

#include <stdio.h>
int main() {
    int n = 0;
    while (scanf("%d", &n) != EOF) {
        //打印n+1行
        //3
        int i = 0;
        int j = 0;
        int m = n;
        int k = 0;
        for (i = 0; i <= n; i++) {
            for (j = 1; j <= m; j++) {
                printf(" ");
            }
            for (k = 0; k <= i; k++) {
                printf("%c ", '*');
            }
            printf("\n");
            m--;
        }
        m = n;
        for (i = 0; i < n; i++) {
            //p/*rintf(" ");*/
            for (j = 0; j <= i; j++) {
                printf(" ");
            }
            for (k = 0; k < m; k++) {
                printf("%c ", '*');
            }
            printf("\n");
            m--;
        }
    }
    return 0;
}