To find the biggest and smallest element in a list

/*****************************************************************
 * File    : bigsmall.c
 * Purpose : To find the biggest and smallest element in a list
 * Author  : Nanda Kishor K N
 * Mail Id : knnkishor@yahoo.com, nandakishorkn@rediffmail.com
 * Website : www.c4swimmers.net ( WEB MASTER )
 * Group   : c4swimmers@yahoogroups.com   ( GROUP OWNER )
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License as
 *  published by the Free Software Foundation; either version 2 of
 *  the License,or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *****************************************************************/
#include<stdio.h>

/*
   Name      :   main()
   Purpose   :   This is the main function that accepts 'N' number of elements and
                 computes the biggest and smallest element in a list.
				 This does not call any other function.
   Parameter :   None
*/
int main()
{
	// Variable Declarations & Initialization

	// Naming conventions are used like all integer variables should begin with 'i'

	int iIdx, iN, iA[20], iBig, iSmall;
	printf("How many numbers you want to enter : ");
	scanf("%d",&iN);
	printf("\nEnter %d numbers : \n",iN);
	for (iIdx = 0; iIdx < iN; iIdx++)
		{
			printf("NUMBER %d = ",iIdx+1);
			scanf("%d",&iA[iIdx]);
		}

	// Compute the biggest and smallest among the given numbers

	iBig = iA[0];
	iSmall = iA[0];
	for (iIdx = 1; iIdx < iN; iIdx++)
		{
			if (iA[iIdx] > iBig)
				iBig = iA[iIdx];
			if (iA[iIdx] < iSmall)
				iSmall = iA[iIdx];
		}

	// Display the result

	printf("\nThe biggest among the given numbers is %d",iBig);
	printf("\nThe smallest among the given numbers is %d",iSmall);

	return 0;
} // End of Program