makevoid · September 22, 2015 14:44 · makevoid · Sep 22, 2015
diff --git a/math_challenge.rb b/math_challenge.rb
 # problem: figure out the operations
 #
 # expression:
 #
 # "7 # 7 # 77 # 7 # 7 = 497"

 # I'm not good at math so I made this program to solve the problem

 operators = %w(+ - * /)
 values = [7, 7, 77, 7, 7]
 expected_result = 497

 loop do
  operations = ["+"]
  (values.length-1).times do
    operations << operators.sample
  end
  result = 0
  values.each_with_index do |val, idx|
    result = result.send operations[idx], val
  end
  if result == expected_result
    puts "\noperations are: #{operations[1..-1].inspect}"
    break
  end

  print "."
 end



 # run this program to see the result
	# problem: figure out the operations
	#
	# expression:
	#
	# "7 # 7 # 77 # 7 # 7 = 497"

	# I'm not good at math so I made this program to solve the problem

	operators = %w(+ - * /)
	values = [7, 7, 77, 7, 7]
	expected_result = 497

	loop do
	operations = ["+"]
	(values.length-1).times do
	operations << operators.sample
	end
	result = 0
	values.each_with_index do \|val, idx\|
	result = result.send operations[idx], val
	end
	if result == expected_result
	puts "\noperations are: #{operations[1..-1].inspect}"
	break
	end

	print "."
	end



	# run this program to see the result
No results found