Answer to Question #336354 in C++ for Secret Agent

Question

Jack `N Poy

The winner is selected depending on the following rules:

• Rock beats Scissors
• Scissors beats Paper
• Paper beats Rock
• If both players chose the same option, then it's a tie

Instructions:

1. In the code editor, you are provided with an enum called option which contains three possible named values:
2. ROCK - 'r'
3. PAPER - 'p'
4. SCISSORS - 's'
5. Your task is to ask two users for there chosen options. And then based on their options, determine the winner.

Input

1. Option selected by Player 1

2. Option selected by Player 2

Output

If Player 1 wins, print the message "Player 1 wins!"

If Player 2 wins, print the message "Player 2 wins!"

If it's a tie, print the message "It's a tie!"

Player·1:·r
Player·2:·p
Player·2·wins!

Answer 1

#include <iostream>
#include <string>

using namespace std;

enum weapon{
      ROCK = 0,
      PAPER = 1, 
      SCISSORS = 2
};
string displayWinner(weapon p1, weapon p2){
        if (p1 == 0 && p2 == 2) return "Player 1 wins!";
		if (p1 == 2 && p2 == 1) return "Player 1 wins!"; 
		if (p1 == 1 && p2 == 0) return "Player 1 wins!";
			
        if (p1 == 0 && p2 == 1 ) return "Player 2 wins!";
		if (p1 == 2 && p2 == 0) return "Player 2 wins!";
		if (p1 == 1 && p2 == 2) return "Player 2 wins!";
        if(p1 == p2) return " ... It's a tie! ...";
  }
int main()
{
	int games_played =0;
	char human_choice;
	weapon Player1_weapon;
	weapon Player2_weapon;
	bool again = true;
	while(again){
       
		cout <<  "Option selected by Player 1? ROCK (r), PAPER (p) or SCISSORS (s)  " ;
        cin >> human_choice;
        if(human_choice == 'r') Player1_weapon = ROCK;
        else if(human_choice == 'p') Player1_weapon = PAPER;
        else if(human_choice == 's') Player1_weapon = SCISSORS;
        else cout << "WRONG!!!";

        cout <<  "Option selected by Player 2? ROCK (r), PAPER (p) or SCISSORS (s)  " ;
        cin >> human_choice;
        if(human_choice == 'r') Player2_weapon = ROCK;
        else if(human_choice == 'p') Player2_weapon = PAPER;
        else if(human_choice == 's') Player2_weapon = SCISSORS;
        else cout << "WRONG!!!";
        
        cout << displayWinner(Player1_weapon, Player2_weapon);
		cout << "\n Again? (1-yes, 0-no)" << endl;
		cin >> again;
    }
 }