Indyrb Golf Problem 2

golf-problem-2.rb

# def problem_2(s, t)
#   a = 0; s.split.each_with_index { |c, i| a += 1 if t[i] != c }; a
# end

def problem_2(s, t)
  (s.split("") & t.split("")).size
end

s = "AAABab"
t = "AAAAaa"

puts problem_2(s, t)

# require 'minitest/autorun'

# class ProblemTwoTest < MiniTest::Unit::TestCase
#   def test_gets_it_right
#     str1 = 'AGTTCAGAGACGGACTCTACGAGCATATTTGCTGTCTAATACTCTCAATGCCACGTTATTTATGTTTTACCAAGTTTCGGACTGGCGGATGCCGTCACATTCCCGGAACGTCCTGCAGATAATAAGCCGATGCAGAAGCTAGATCATTGATGTGACGGCAGGCATCAGTGTGGGCGACTGGGCTCCGCTGTTTACACCGAGATGGGATCGTTCCAGGACTGCTAAGACCTTCCCAGCTTGTGATCGAAAAAAGCAGCCTGACGCTACCCCAGGAGGAGCCCGTAGTGAGTCGAGCGCCAATTACTTGTTCTATAGAAATTGTAAGTGCTGTTAGCATGAATAACGCGTAGCCAGGAGGTTTTAAGATTAAAGTGCTTCATCCCCATTTATATACAGTCGACAAGTAGCCTTACGCGGATTCTCGGAGATGTTGGCGGTTTAATCGACTGGAAACCAGGAAAAGTTGTATGAGTGGTAACATGCTGGCTGAATCTAGGACGGTCTGGCACGTCCCCTGGGACCTTACGATGGGTGCGGTTCAATCTGTCATCGCGTCTCTACGCTGATGCCGCGAGAGCAAGAAGAACGACCCTAGCCCCGCGGATGTCCAGAGGGAATCGTTCCAGCGTGGCAACGTTAACCTACATTCCACAGAAGTTGAGTTAGATAGCGAATACCGGTGATTTACCCGAAGCAGTACTACTGTACTGACCGTGACGCTTGCGCATCAAGGCTCGAAAGTTGGCTATTGAGAAGTGCTCTCACATCCAGCAAACAGCTTTCAAGCATCCCGTATGCGGCCGTCGACGAATCCATCAAGATCCGAAGGGCTATGTTTCTGAAGGTGTCGCTCTGCATGATCCGAACAACCCCTGTACAGTCCCCTAGCGAAAGGTGATCACTTAGTAGGACTAAT'
#     str2 = 'TGACGGCAGAAGGAAACTACGAGGTAATTGGTAGAAGGGACCTGGCAAAACACTGTACTTGCGTGTTTAGGAAGTGTCCGACAGTCGAGAAACGTCAGGTACTGCTAACGTCAAGCCGCCATCTAATAGATGTCTGATTTTTCTCATAATACACACTGCCGCCAGTATCGCGGTGGTTAGGCGCTCCCGTCATAAACCGGGACCTGCCGGGCTATGACCAGCGCAGTCCCGACCCGGACGTGCTGAATACCCGCACAAATTTTGGTCTCGTGTTAGAGTCCACAGTGAGTGTTTACTCAAAGACTAGCTCTGGGTCCCGTACCTGTGCAGTTGAAAGGTATCGTGTGGAGCCTTTAGTTCTTAAGCCGATTGGTTCCCCACCACAGTCATTTCCAGGTGATCAGCAGACTCACGTTGGTGTTATGTAAGCTACGCACATTCAGCCAATGGAACCCACGTATTTTAGGACTAGGGGCTATATGGTACCTTGCACGGCGACCGTTAGAGAGGACATCCCTGCCATTTGCCTTAATTCTCAACGAGCGGTTATTGAGGAGCGACGCGTAAGCCTAAAGAGTGGGAGAAGTTCCTCGAGCTCCGCGCAACGCGACTGTAAGTCCCTCGAAAGTGGCTAACTCAACTATGGTTCCGCGCTACTGGAGATGTATACAAAACACACGAGAAACCTCCGAAGCAGGGATTCATTTCTGATTTTGACGCTTACGCCTGCGTCCATGGTAGCTTTATTTGCGCACGTTGGCTCGCTGCCTAGTAGAACCTTACAAGCAGAGCGTGCGCGGAGGGAGACAAATACATGAAGACCCGGAATGAGCTCTTACTAGAATTCGCTACATCTGAGAAGCTCTCGAGTCTTGTATGTTTCCCGATGCAAGCCTTATCAGTCAGCAGGGCCCAG'

#     result = problem_2(str1, str2)
#     assert_equal 470, result
#   end
# end