P62467: Barres (1)

#include <iostream>
using namespace std;


void ast_barres(int n) {
    if (n == 1) cout << '*' << endl;
    else {
        ast_barres(n-1);
        for (int i = 0; i != n; ++i) cout << '*';
        cout << endl;
        ast_barres(n-1);
    }
}

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