\(\begin{array}{c c c c } * & & & \\ * & * & & \\  * & * & * &     \\    * & * & * & * \end{array}\) 

Write a program that reads a number and displays the above pattern.

Difficulty level
This exercise is mostly suitable for students 
#include<stdio.h>
#include<conio.h>

void main()
{
	int N, i, j;
	do{
		printf("Enter N: ");
		scanf("%d",&N);
	}while(N<=0);

	for(i=0; i< N; i++)
	{
		for(j=0; j<= i; j++)
			printf("*");
		printf("\n");
	}

	getch();
}
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