mindware · August 9, 2016 03:39 · mindware · Aug 9, 2016
diff --git a/collatz.rb b/collatz.rb
 # Collatz Conjecture
 # https://www.youtube.com/watch?v=5mFpVDpKX70
 print "Give me a number: "
 number = gets.chomp.to_i
 if number == 0
        puts "Try again with a non-zero integer."
        exit
 end
 count = 0
 while number != 1
        count += 1
        if number.even?
                number = number  / 2
        else
                number = 3 * number + 1
        end
        puts "#{number}"
 end
 puts "Took a total of #{count} steps to reach 1."
	# Collatz Conjecture
	# https://www.youtube.com/watch?v=5mFpVDpKX70
	print "Give me a number: "
	number = gets.chomp.to_i
	if number == 0
	puts "Try again with a non-zero integer."
	exit
	end
	count = 0
	while number != 1
	count += 1
	if number.even?
	number = number / 2
	else
	number = 3 * number + 1
	end
	puts "#{number}"
	end
	puts "Took a total of #{count} steps to reach 1."