C Program to print first n natural numbers in a Right angled Triangle pattern

Program

#include<stdio.h>
void main()
{
	int num, i, j, count = 1;
	printf("Enter the number of rows to be printed:\t");
	scanf("%d", &num);
	for (i = 1; i < num; i++)
	{		
		for (j = 0; j < i; j++)
		{
			printf("%d\t", count);
			count++;
		}
		printf("\n");
	}
}

Output

Enter the number of rows to be printed:	5
1	
2	3	
4	5	6	
7	8	9	10