More Than Equations

Rock, Paper, Scissors - Part 2

3 min read

🔖 Background Information

Rock, paper, scissors is a two-player game in which each player simultaneously forms one of three shapes with their hand - rock (a closed fist), paper (a flat hand), or scissors (a fist with the index and middle finger forming a “V”). Scoring works as follows:

  • Rock beats scissors
  • Paper beats rock
  • Scissors beats paper
  • Every other combination is a tie

🎯 Problem Statement

Update your code from the activity Rock-Paper-Scissors - Part 1 to include another option for a computer player. This computer player should be a “cheating” computer player that always picks the winning move against whatever the user chooses.

✅ Acceptance Criteria

  1. When I start the game, I should see a menu that asks if I want to play against a random computer player or a cheating computer player.
  2. If I choose a random computer player, I should be able to provide an input (rock, paper, or scissors). The computer will make a random move.
  3. If I choose a cheating computer player, I should be able to provide an input (rock, paper, or scissors). The game should take my input and have the computer make a move that will always beat me.
  4. The game should print both of our moves to the console and declare who is the winner or if the game is a tie.
  5. Finally, the game will ask if I want to play again or exit.
    • If I choose to play again, the program will start over from the beginning.
    • If I choose to exit, the program will display a “goodbye” message and exit gracefully.

📋 Dev Notes

  • You should handle erroneous input from the user. If the user enters an invalid option, your program should tell them that they made an error and prompt them again.
  • As you write this code, think about how and where you can break up the code into small pieces. This will help organize your code and effectively convey the business logic.

🖥️ Example Output

./rps.out
 
Welcome to Rock, Paper, Scissors! Which type of computer would you like to play against?
 
1) Random computer player
2) Cheating computer player
 
> 2
 
You are going to play against a cheating computer player.
 
Pick a move:
 
1) Rock
2) Paper
3) Scissors
 
> 2
 
You chose Paper while the computer chose Scissors. The computer wins!
 
Play again?
 
1) Yes
2) No
 
> 2
 
Have a great day!

📘 Works Cited

N/A

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