C Program to print even numbers in a Right angled Triangle pattern

Program

#include<stdio.h>
void main()
{
	int i, j, rows, num = 2;
	printf("Enter the number of rows to be printed:\t");
	scanf("%d", &rows);
	for (i = 0; i < rows; i++)
	{
		num = 2;
		for (j = 0; j <= i; j++)
		{
			printf("%d\t", num);
			num = num + 2;
		}
		printf("\n");
	}
}

Output

Enter the number of rows to be printed:	6
2	
2	4	
2	4	6	
2	4	6	8	
2	4	6	8	10	
2	4	6	8	10	12