Problema cu piramida pg 69 ANSI(Piramid builder with number)

#include <iostream>
using namespace std;

int main() {
    int i, j, k, n;
    cin >> n;

    for (i = 1; i <= n; i++) {
        for (j = i; j <= n - 1; j++) { cout << "  "; }
        for (j = i; j >= 1; j--) { cout << j << " "; }
        for (j = 2; j <= i; j++) { cout << j << " "; }
        cout << endl;
    }


    system("pause");
}