X+Y

math puzzle.rb

h = Hash.new(0)
product = Hash.new([])
sum = Hash.new([])

(2..99).to_a.each do |x|
  next if x == 99
  ((x+1)..99).to_a.each do |y|
    # puts "#{x} #{y} #{x+y} #{x*y}"
    puts product[x*y]
    product[x*y] = product[x*y].push([x,y])
    puts "after: #{product[x*y]}"
    # sum[x+y] = sum
  end
end

product.keys.each do |k|
  # puts k, product[k]
  
  # puts product[k].length
end