Average

#include <stdio.h>
#define SIZE 10


int main()
{
    int i,summ,counter,arr[SIZE]= {1,2,3,4,5,6,7,8,9,10};
    summ = counter = 0;

    for(i=0;i<SIZE;i++)
    {
        if( !(i%2) && arr[i]>0)
        {
            summ+= arr[i];
            counter++;

        }
    }
    printf("counter %d,summ %d,average %f\n",counter,summ,summ/counter);

    return 0;
}