07. Christmas Tree

#include <iostream>

using namespace std;

int main() {
    int n;
    cin >> n;

    for (int i = 0; i <= n; i++) {
        for (int j = 0; j < n - i; j++) {
            cout << " ";
        }

        for (int k = 0; k < i; k++) {
            cout << "*";
        }
        cout << " | ";

        for (int k = 0; k < i; k++) {
            cout << "*";
        }
        cout << endl;
    }

    return 0;
}