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

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=1; i<=N; i++)
	{
		for(j=1;j<=N;j++)
       			printf("*");
     		printf("\n");
	}

	getch();
}
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