Eiffel Tower

#include <iostream>

using namespace std;

string repeat(char s, int n) {
    string result;

    for (int i = 0; i < n; i++)
    {
        result += s;
    }
    return result;
}

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

    for (int row = 0; row < n; row++) {
        cout << repeat('-', n + 2) << "**" << repeat('-', n + 2) << endl;
    }
    for (int row = 0; row < n - 3; row++) {
        cout << repeat('-', n + 1) << "****" << repeat('-', n + 1) << endl;
    }
    cout << repeat('-', n) << "******" << repeat('-', n) << endl;

    for (int row = 0; row < n - 4; row++) {
        cout << repeat('-', n) << "**--**" << repeat('-', n) << endl;
    }
    for (int row = 0; row < n - 3; row++) {
        cout << repeat('-', n - 1) << "**----**" << repeat('-', n - 1) << endl;

    }
    cout << repeat('-', n - 2) << "**********" << repeat('-', n - 2) << endl;

    for (int row = n - 3; row > 0; row--) {
        cout << repeat('-', row) << "**" << repeat('-', 2 * n + 2 - 2 * row) << "**" << repeat('-', row) << endl;
    }
    cout << "***" << repeat('-', 2 * n) << "***" << endl;

    return 0;
}