Data commit

Task/Bulls-and-cows/Nanoquery/bulls-and-cows.nanoquery

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+import Nanoquery.Util; random = new(Random)
+
+// a function to verify the user's input
+def verify_digits(input)
+	global size
+	seen = ""
+
+	if len(input) != size
+		return false
+	else
+		for char in input
+			if not char in "0123456789"
+				return false
+			else if char in seen
+				return false
+			end
+
+			seen += char
+		end
+	end
+
+	return true
+end
+
+size = 4
+chosen = ""
+while len(chosen) < size
+	digit = random.getInt(8) + 1
+
+	if not str(digit) in chosen
+		chosen += str(digit)
+	end
+end
+
+println "I have chosen a number from 4 unique digits from 1 to 9 arranged in a random order."
+println "You need to input a 4 digit, unique digit number as a guess at what I have chosen."
+
+guesses = 1
+won = false
+while !won
+	print "\nNext guess [" + str(guesses) + "]: "
+	guess = input()
+
+	if !verify_digits(guess)
+		println "Problem, try again. You need to enter 4 unique digits from 1 to 9"
+	else
+		if guess = chosen
+			won = true
+		else
+			bulls = 0
+			cows = 0
+			for i in range(0, size - 1)
+				if guess[i] = chosen[i]
+					bulls += 1
+				else if guess[i] in chosen
+					cows += 1
+				end
+			end
+
+			println format("  %d Bulls\n  %d Cows", bulls, cows)
+			guesses += 1
+		end
+	end
+end
+
+println "\nCongratulations you guess correctly in " + guesses + " attempts"