Pascal's Triangle C++ Class 11

#include <iostream>
#include <iomanip>
using namespace std;

int main() {
int n = 5;

for (int i = 0; i < n; i++) {
    cout << setw((n - i) * 2);

    int value = 1;
    for (int j = 0; j <= i; j++) {
        cout << value << "   ";
        value = value * (i - j) / (j + 1); 
    }
    cout << endl;
}

return 0;

}