题解 | #X形图案#

#include <stdio.h>
int main()
{
	char arr[20][20];
	int i = 0;
	int j = 0;
	int n = 0;
	while (scanf("%d", &n)!=EOF)
	{
		for (i = 0; i < n; i++)
		{
			for (j = 0; j < n; j++)
			{
				if (i == j || j == n - i - 1)
				{
					arr[i][j] = '*';
				}
				else
					arr[i][j] = ' ';
				printf("%c", arr[i][j]);
			}
			printf("\n");
		}
	}
	return 0;
}