prva-parc-2014-zad6-PascalovTrougao

#include <iostream>
#include <string>



using namespace std;

int **Pascal (int n) {
    if (n<=0) throw "Pogresan parametar.";
    int **mat=nullptr;

        int br_elem{0};
        for (int i=0; i<n; i++) br_elem+=i+1;
    try {
        mat= new int*[n];
        mat[0]=new int [br_elem];
        for (int i=1; i<=n; i++)
            mat[i]=mat[i-1]+i;

        for (int i=0; i<n; i++)
            for (int j=0; j<=i; j++)
           {    if ((j==0) || (j==i)) mat[i][j]=1;
            else mat[i][j]=mat[i-1][j-1]+mat[i-1][j];
           }
        return mat;
    }
    catch(...)
    {
        throw "Kreiranje nije uspjelo.";
    }

}
int main () {
    int n;
cout<<"Unesite broj n: ";
cin>>n;
cin.clear();
cin.ignore(1000,'\n');
cout<<endl;
int **matrica=nullptr;
try {
    matrica=Pascal(n);
    for (int i=0; i<n; i++) {
        for (int j=0; j<=i; j++)
        cout<<matrica[i][j]<<" ";
        cout<<endl;
    }

    if (matrica!=nullptr) {
            delete [] matrica[0];
        delete [] matrica;
    }
}
catch(const char poruka[]) {
cout<<poruka;
}
return 0;
}