Paskalov trougao

#include <iostream>
#include <vector>
#include <iomanip>

typedef std::vector< std::vector<int>> Matrica;

int funkcija(int i, int j)
{
    if ((j==0) || (i==j)) return 1;
    else return funkcija(i-1, j-1) + funkcija(i-1,j);

    }


int main()
{
    std::cout<<"unesi broj redova grbave matrice:\n";
    int n;
    std::cin>>n;

    Matrica a(n);
    for (int i(0); i<n; i++) a[i].resize(i+1);

    for (int i(0); i<n; i++ )
    {
        for (int j(0); j<i+1; j++)
        {
            a[i][j]=funkcija(i,j);
        }
    }

    for (int i(0); i<n; i++)
    {
        for (int j(0); j<i+1; j++) {
std::cout<< a[i][j];
    std::cout<<std::setw(3) << " ";
    }
    std::cout<< std::endl;
    }
    return 0;
}