Write a program to calculate the difference of the two sums ?

A function even_odd_difference()passes the array of elements.Write a program to calculate the difference of the two sums of which one sum adds the elements of odd ones and another adds the elements of even ones.

This question is related to Aztec-Systems Interview

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Jun 3rd, 2005
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shah_saurabh164

Jul 23rd, 2007

/* Saurabh Shah - PUNE*/

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

void main()
{
   int arr[30],i,n,sum1=0,sum2=0,sum;
   clrscr();
   printf("how many numbers u want ? :");
   scanf("%d",&n);
   printf("nEnter the %d numbers...:n",n);
   for(i=0;i<n;i++)
       scanf("%d",&arr[i]);
   for(i=0;i<n;i++)
   {
       if(i%2 == 0)
           sum1 += arr[i];
       else
           sum2 += arr[i];
   }
   printf("n Even sum = %dn Odd sum = %d",sum1,sum2);
   sum=sum1-sum2;
   printf("n Difference = %d",sum);

   getch();

}