05. Draw Fort

#include <iostream>
#include <string>
#include <cmath>
using namespace std;

int main() {

    int n;
    cin >> n;

    int width = 2 * n;
    int columnsSize = n / 2;
    int lines = 2 * n - 2 * columnsSize - 4;

    //first line
    cout << "/";
    cout << string(columnsSize, '^');
    cout << '\\';
    cout << string(lines, '_');
    cout << "/";
    cout << string(columnsSize, '^');
    cout << '\\' << endl;

    for (int i = 1; i <= n - 3; i++)
    {
        cout << '|';
        cout << string(2 * n - 2, ' ');
        cout << '|' << endl;
    }

    cout << '|';
    cout << string(columnsSize + 1, ' ');
    cout << string(lines, '_');
    cout << string(columnsSize + 1, ' ');
    cout << '|' << endl;

    //last line
    cout << "\\";
    cout << string(columnsSize, '_');
    cout << "/";
    cout << string(lines, ' ');
    cout << '\\';
    cout << string(columnsSize, '_');
    cout << '/' << endl;

}