Program u c++u

//HEX brojevi Miljan Sucur
#include <iostream>
using namespace std;

void func(float br,float bz)
{
	int rez,len,z = 0;
	unsigned int num;
	int brj[20];
	char b[20];
	char c[20];
	string niz;
	rez = br/bz;
	num = br - (rez * bz);
	brj[z] = num;
	z++;
	while(!(rez <= 0))
	{
		len = rez;
		rez = len/bz;
		num = len - (rez * bz);
		brj[z] = num;
		z++;
	}
for(int i = 0;i <= z; i++)
{
	if(brj[i] == 0)
		b[i] = char('0');
	if(brj[i] == 1)
		b[i] = char('1');
	if(brj[i] == 2)
		b[i] = char('2');
	if(brj[i] == 3)
		b[i] = char('3');
	if(brj[i] == 4)
		b[i] = char('4');
	if(brj[i] == 5)
		b[i] = char('5');
	if(brj[i] == 6)
		b[i] = char('6');
	if(brj[i] == 7)
		b[i] = char('7');
	if(brj[i] == 8)
		b[i] = char('8');
	if(brj[i] == 9)
		b[i] = char('9');
	if(brj[i] == 10)
		b[i] = char('A');
	if(brj[i] == 11)
		b[i] = char('B');
	if(brj[i] == 12)
		b[i] = char('C');
	if(brj[i] == 13)
		b[i] = char('D');
	if(brj[i] == 14)
		b[i] = char('E');
	if(brj[i] == 15)
		b[i] = char('F');

}
for(int i = z-1; i >= 0; i--)
{
cout << b[i];
}
cout << "\n\n\n";

}

int main()
{
float broj, baza, rezultatf;
int rezultati,ostatak;
cout << "Unesite broj: ";
cin >> broj;
cout << "Unesite bazu: ";
cin >> baza;
func(broj,baza);
system("PAUSE");

}