\(\begin{array}{cccc}1&2&3&4\\5&6&7&8\\9&10&11&12\\13&14&15&16\end{array}\) 

Write a program that reads a number (number of lines equal to the number of columns) and displays the above pattern.

#include<stdio.h>
#include<conio.h>

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

	counter = 1;
    	for(i=1; i<=N; i++)
    	{
        	for(j=1; j<=N; j++, counter++)
            		printf("%4d", counter);
		printf("\n");
    	}

	getch();
}