Condition Trainings – Create Four Applications

/*
  Control Flow
  - If Condition Trainings

  4 Training Apps
  - Even / Odd Checker
  - Find Greatest Number
  - User Rank Checker
  - Simple Calculator
*/

#include <iostream>
using namespace std;

int main()
{
  // App 1 => Even / Odd Checker

  int num;
  cin >> num;

  if (num % 2 == 0)
    cout << "The Number " << num << " Is Even\n";
  else
    cout << "The Number " << num << " Is Odd\n";

  // App 2 => Find Greatest Number

  int a, b, c;
  cin >> a >> b >> c;

  if (a > b && a > c)
  {
    cout << a << " Is The Greatest Number\n";
  }
  else if (b > a && b > c)
  {
    cout << b << " Is The Greatest Number\n";
  }
  else
  {
    cout << c << " Is The Greatest Number\n";
  }

  // App 3 => User Rank Checker

  int points;
  cin >> points;

  if (points > 0 && points <= 500)
  {
    cout << "Not Bad\n";
  }
  else if (points > 500 && points <= 1000)
  {
    cout << "Very Good\n";
  }
  else
  {
    cout << "VIP\n";
  }

  // App 4 => Simple Calculator

  int num_one, num_two, op;

  cout << "Type Number One\n";
  cin >> num_one;
  cout << "Type Number Two\n";
  cin >> num_two;
  cout << "Choose Operation Number\n";
  cout << "[1] +\n";
  cout << "[2] -\n";
  cout << "[3] /\n";
  cout << "[4] *\n";
  cin >> op;

  if (op == 1)
  {
    cout << num_one + num_two << "\n";
  }
  else if (op == 2)
  {
    cout << num_one - num_two << "\n";
  }
  else if (op == 3)
  {
    cout << num_one / num_two << "\n";
  }
  else if (op == 4)
  {
    cout << num_one * num_two << "\n";
  }
  else
  {
    cout << "Operation Is Not Valid\n";
  }

  return 0;
}