/*	Intro Programming
	HI-LO GAME
	Joanne Selinski
*/


import java.util.*;		// for Random & Scanner

public class HiLo
{
public static void main (String[] args)
{
	// create variables to hold data and help with processing

	int number, guess, countguesses;
	int games = 0, wins = 0;
	boolean done;
	char answer;
	
	// create objects for random number generation and input

	Random rand = new Random();
	Scanner keyboard = new Scanner(System.in);

	// for as long as the user wants to play
	do {
		System.out.println("try to guess a number between 1 and 100");
		number = rand.nextInt(100) + 1;		// 1 <= number <= 100
		games = games + 1;
		countguesses = 1;			// for the new game
		done = false;				// for the new game

		while (countguesses <= 6 && !done)
		{
			System.out.print("guess " + countguesses + ": ");
			guess = keyboard.nextInt();

			if (guess < number)
				System.out.println("too low");
			else if (guess > number)
				System.out.println("too high");

			else /* guess == number */
			{	done = true;
				wins = wins + 1;
				System.out.println("you guessed it in " + 
					countguesses + " tries! ");
			}
			countguesses += 1;
		}
		System.out.println("play again? ");
		answer = keyboard.next().charAt(0);

	} while (answer == 'y' || answer == 'Y');

	System.out.println("Thanks for playing - you won " + wins * 100.0 /games
		+ " percent of the games.");
}
}