C++ ZADATAK: PASKALOV TROUGAO

#include 
using namespace std;
int main()
{
int red, koef = 1;
cout <> red;
for(int i = 0; i < red; i++)
{
for(int k = 0; k <= i; k++)
{
if (k == 0 || i == 0)
koef = 1;
else
koef = koef*(i-k+1)/k;
cout << koef << "   ";
}
cout << endl;
}
return 0;
}