OR-Rjesenja Nekih Zadataka-zad4

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

int DecimalniDio (float n)
{ int brojac=0;

while(n-(int)n!=0) {
        brojac++;
       n*=10;
}
return brojac;
}

float Suma (float *niz, int vel, int n) {
    if (n<0 || n>6) return -1;
    int i, br;
    float suma=0;
    for (i=0; i<vel; i++) {
            if (DecimalniDio(niz[i])==n)
               suma+=niz[i];
    }
return suma;

}



int main () {
    float niz[6]={3.18,  5.0,  2.1, 21.17, 5.183, -3.98};
    printf("%.2f", Suma(niz,6,2));
    return 0;
}