RK2022

#include <bits/stdc++.h>
#include <windows.h>
using namespace std;

//@author Anwar

void draw_fanoos(){
    int n, star = 1;
    s:
    system("cls");
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 6);
    cout << "\n Enter a number 'n' (divisible by 4 & n >= 20)...\n";
    cout << " like 20, 24, 28, 32, 36..... :  ";
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 10);
    cin >> n;
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 12);
    if(n % 4 || n < 20) {
        cout << "\n\t\t\t Invalid number...\n";
        Sleep(500);
        goto s;
    }
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 13);
    // draw top triangle
    cout << "\n" << string(30, ' ');
    cout << string(n/2 - 1, ' ') << "C\n";
    for(int i = n/2 - 1; i >= 0; i--){
      Sleep(25);
      cout << string(30, ' ');
      cout << string(i, ' ') << string(star, '*') << "\n";
      star += 2;
    }
    // draw middle part
    int tmp = n;
    for(int i = 0; i < n/4; i++)
    {
        Sleep(25);
        if(i == 0){
          SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 10);
          cout << string(30, ' ');
          cout << '\\' << string((n - 17) / 2, ' ');
          SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 176);
          cout << "RAMADAN  KAREEM";
          SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 10);
          cout << string((n - 17) / 2, ' ') << "/\n";
          tmp--;
          continue;
        }
        cout << string(30, ' ');
        cout << string(i, ' ') << '\\' << string(tmp - 3 - i, ' ') << "/\n";
        tmp--;
    }
    // draw bottom part
    star = n/2 - 1;
    for(int j = n/4; j >= 1; j--){
      Sleep(25);
      SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 12);
      cout << string(30, ' ');
      cout << string(j, ' ') << string(star, '*') << "\n";
      star += 2;
    }
    cout << "\n";
}

int main()
{
    char c;
    do {
        system("cls");
        draw_fanoos();
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 14);
        cout << "\t\t\t Want to try again? (Y/N): ";
        cin >> c;
    } while(tolower(c) != 'n');

  return 0;
}