//Estimate the odd of winning at Craps
//Plays a large number of games to report the % wins
import java.util.*;
public class CrapsOdds
{
   public static void main(String[] args)
   {
      Scanner keyboard = new Scanner(System.in);
   
      //Enter the # of trial games to be played
      System.out.println("Estimating Craps odds");
      System.out.print("How many game trials ? ");
      int numberOfTrials = keyboard.nextInt();
      
      //Counter: # wins
      int numberOfWins = 0;
      int trial = 1;
      //Repeat the expected number of trials
      while( trial <= numberOfTrials )
      {
         CrapsGame trialGame = new CrapsGame();
         trialGame.play();
         //Count wins
         if (trialGame.playerWins())
            numberOfWins++;
            
         trial++;
      }
      //Calculate & display the percentage of winning games
      double winPercentage = numberOfWins * 100.0 / numberOfTrials;
      System.out.println("Win Percentage: " + winPercentage + "% " + 
                         numberOfWins + " Wins in " + 
                         numberOfTrials + " Trials"               );
   }
}