rock paper scissors.. other choices.

This is a discussion on rock paper scissors.. other choices. within the C++ Programming forums, part of the General Programming Boards category; i'm currently writing a rock paper scissors program. our output should look like the following: Code: bash-2.04$ a.out Player One, ...

  1. #1
    Registered User helloalyssa's Avatar
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    rock paper scissors.. other choices.

    i'm currently writing a rock paper scissors program. our output should look like the following:

    Code:
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) r
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) p
    Player 2 wins: Paper covers Rock!
    
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) S
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) r
    Player 2 wins: Rock breaks Scissors!
    
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) p
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) S
    Player 2 wins: Scissors cut Paper!!
    
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) r
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) x
    Player 2 has entered an invalid move.
    
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) w
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) r
    Player 1 has entered an invalid move.
    
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) r
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) R
    Tie with Rock!
    
    bash-2.04$ a.out
    Player One, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) P
    Player Two, please enter your move: ('P' for Paper, 'R' for Rock, 'S' for Scissor) P
    Tie with Paper!

    i've gotten all of them except for the invalid inputs. i know i can't just make an if statement (if (player1 == 'r' && player2 == 'x') for it because it should be for any invalid input. what should i use to invalidate any other letters besides R, P or S?

  2. #2
    Banned ಠ_ಠ's Avatar
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    if you structure your logic the right way all invalid inputs will fall into the else block
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