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  1. Prepare
  2. Algorithms
  3. Greedy
  4. Beautiful Pairs
  5. Discussions

Beautiful Pairs

  • pirate_of_codes
     + 1 comment
    def beautifulPairs(A, B):
    a_number_freq = Counter(A)
    b_number_freq = Counter(B)

    ans = sum(min(a_number_freq[k], b_number_freq[k]) for k in a_number_freq)

    return ans + 1 if ans < len(A) else ans - 1