ASP ispitni, binarna minimum

#include <iostream>

using namespace std;

int binarna(int* niz, int maxGr, int minGr)
{

        if(niz[(minGr+maxGr)/2+1] > niz[(minGr+maxGr)/2] && niz[(minGr+maxGr)/2-1]>niz[(minGr+maxGr)/2])
            return (minGr+maxGr)/2;

       else if(niz[(minGr+maxGr)/2+1] >niz[(minGr+maxGr)/2])
        {
            return binarna(niz, maxGr-1, (minGr+maxGr)/2);
        }

        else
        {
            return binarna(niz, (minGr+maxGr)/2,minGr-1);
        }
//         9 7 5 4 3 -1 2 5 8 9 6 5

}

int minimum(int* niz, int vel)
{
    return binarna(niz, vel, 0);
}

int main()
{
    int niz[9]={4,3,0,-1,5,8,9,11};

    cout << minimum(niz,9);


    return 0;
}