题解 | #数字三角形#

#include <stdio.h>
int main()
{
	int num;
	int j, k;
	while (scanf("%d", &num) != EOF)
	{
		for (j = 1; j <= num; j++)
		{
			for (k = 1; k <= j; k++)
			{
				printf("%d ", k);
			}
			printf("\n");
		}
		
	}
	return 0;
}