rubyschool-1

second

heights = [180, 190, 160, 200]
names = [:Losikhin, :Knyazev, :Komlev, :Khodyrev]
hIndex = heights.index(heights.max)

puts names[hIndex]

third

def len (v1, v2)
  unless v1 == v2
    v1.length.times { |i| return i if v1[i] != v2[i] }
  else
    v1.length
  end
end

first = "test-first"
second = "te-second"

len (first, second)