OR-2007-Sredva vrijednost Decimalnog o.

#include<stdio.h>
#include<math.h>

double SredDec (double *niz, int vel) {
    double suma=0;
    int i;
    for (i=0; i<vel; i++) {
            suma+=niz[i]-(int)niz[i];
    }
     return suma/vel;
}

int main () {
    double niz[6]={2.1,1.3,5.1,6.6,8.9,4.5};
    printf("%f",SredDec(niz,6));
    return 0;
}