create_anagram.rb

def createAnagram(s, t)
    cnt1 = Array.new(26)
    cnt2 = Array.new(26)
    x = 0

    while (x < 26)
          cnt1[x] = 0
          cnt2[x] = 0
          x = x + 1
    end

    x = 0

    while (x < s.length)
          cnt1[s[x].ord - 'A'.ord] = cnt1[s[x].ord - 'A'.ord] + 1
          cnt2[t[x].ord - 'A'.ord] = cnt2[t[x].ord - 'A'.ord] + 1
          x = x + 1
    end

    ans = 0
    x = 0

    while (x < 26)
          ans = ans + (cnt1[x] - cnt2[x]).abs
          x = x + 1
    end

    return ans / 2

end