thank you can you make some comments and use if else statements

c++ Thanks

1. Number guessing game 1. Your program generate a random number (0..999) 2. Prompts the user to guess the number between 0..999 3. The program displays one of three responses - greater, smaller, or correct. 4. Repeat the step 1 - 3 until the user enters the correct answer 5. Ask the user to play the game again or not