题解 | #X形图案#

#include <stdio.h>

int main()
{
    int num = 0;
    while (~scanf("%d", &num))
    {
        int i = 0;
        int j = 0;
        for (i = 0; i < num; i++)
        {
            for (j = 0; j < num; j++)
            {
                if (j == i || j == num - 1 - i)
                    printf("*");
                else
                    printf(" ");
            }
            printf("\n");
        }
    }
    return 0;
}