jesam truba fuj

#include <iostream>
using namespace std;
const int red = 5;
const int kol = 4;
void Unos(int niz[][4]) {
	for (int i = 0; i < red; i++)
	{
		for (int j = 0; j < kol; j++)
		{
			cin >> niz[i][j];
			if (niz[i][j] < 2 || niz[i][j]>5)
				--j;
		}
	}
}
void Pozicija(int niz[][4], int &nez) {
	for (int i = 0; i < red; i++)
	{
		for (int j = 0; j < kol; j++)
		{
			if (nez > niz[i][j])
				nez = niz[i][j];
		}
	}
}
void Prosjek(int niz[][4], float &sum) {
	for (int i = 0; i < red; i++)
	{
		for (int j = 0; j < kol; j++)
		{
			sum += niz[i][j] / red;
		}
	}
}
void main() {
	int niz[red][kol];
	float sum = 0;
	int nez = 0;
	Unos(niz);
	Pozicija(niz, nez);
	cout << "Predmet: " << nez << endl;
	Prosjek(niz, sum);
	cout << "Prosjek: " << sum << endl;

}