Bulls and cows: Difference between revisions

ELENA 56.0x :

constructor()

{

// generate secret number

var randomNumbers := new int[]{1,2,3,4,5,6,7,8,9}.randomize(9);

theNumbers_numbers := randomNumbers.Subarray(0, 4);

theAttempt_attempt := new Integer(1);

}

ask()

{

var row := console.print("Your Guess #",theAttempt_attempt," ?").readLine();

^ row.toArray()

}

proceed(guess)

{

int cows := 0;

int bulls := 0;

if (guess.Length != 4)

{

bulls := -1

}

else

{

try

{

for (int i := 0, i < 4, i+=1) {

var ch := guess[i];

var number := ch.toString().toInt();

// check range

ifnot (number > 0 && number < 10)

{ InvalidArgumentException.raise() };

// check duplicates

var duplicate := guess.seekEach:(x => (x == ch)&&(x.equalReference(ch).Inverted));

if (nil != duplicate)

{

InvalidArgumentException.raise()

};

if (number == theNumbers_numbers[i])

{

bulls += 1

}

else

{

if (theNumbers_numbers.ifExists(number))

{ cows += 1 }

}

catch(Exception e)}

catch(Exception {e)

bulls := -1{

}bulls := -1

};

bulls =>

-1 { console.printLine:"Not a valid guess."; ^ true }

4 { console.printLine:"Congratulations! You have won!"; ^ false }

: {

theAttempt_attempt.append(1);

console.printLine("Your Score is ",bulls," bulls and ",cows," cows");

^ true

}

}

var gameMaster := new GameMaster();

var (process := $lazy: gameMaster.proceed(gameMaster.ask())).doWhile();

console.readChar()