Array that alphabetizes and alternates between all caps

Question

I need to get the user to input five words, which I believe I have. Then the program needs to spit the words in alphabetical order with every other word being in all-caps, s

Answer 1

Just out of curiosity:

arr = %w(orange apple lemon melon lime)
a1, a2 = arr.sort.partition.with_index { |_, i| i.even? }
a1.map(&:downcase).zip(a2.map &:upcase).flatten.compact