Problem 05 - Parallelepiped

//URL FOR THE TASK: https://judge.softuni.bg/Contests/Practice/Index/501#4

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

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

    int height = 4 * number + 4;
    int width = 3 * number + 1;

    cout << '+'
        << string(number - 2, '~')
        << '+'
        << string(width - number, '.')
        << endl;

    for (int i = 0; i < 2 * number + 1; i++)
    {
        int points = width - number - i - 1;
        cout << '|'
            << string(i, '.')
            << '\\'
            << string(number - 2, '~')
            << '\\'
            << string(points, '.')
            << endl;
        points++;
    }

    int points_second = 2 * number;
    for (int i = 0; i < 2 * number + 1; i++)
    {
        int points = width - number - i - 1;
        cout << string(i, '.')
            << '\\'
            << string(points_second, '.')
            << '|'
            << string(number - 2, '~')
            << '|'
            << endl;
        points++;
        points_second--;
    }

    cout << string(width - number, '.')
        << '+'
        << string(number - 2, '~')
        << '+'
        << endl;


    return 0;
}