/* 

Write a short code snippet (5-7 lines of C code) that reverses the order 
of the entries in the integer array a of size N.  In other words, the first 
entry becomes the last. The last becomes the first. The second becomes the 
last but one. And so on. 

*/

#include <stdio.h>
#include <stdlib.h>

#define N 10
int main(void)
{
	int i;
	int a[N] = {0,1,2,3,4,5,6,7,8,9};
	
	for(i=0; i<N/2; i++)
	{
		// swap
		int temp=a[i];
		a[i] = a[N-1-i];
		a[N-1-i] = temp;
	}		
	
	for(i=0; i<N; i++)
		printf("%2d, ", a[i]);
		
	printf("\n");
	
    system("pause");
}