Maps Sets and Hashes Comments

Comments

  • Laura Wyman

    Jul 30, 9:39 PM

    When are sets used?

  • Paul  

    Apr 23, 9:01 AM

    I simply looped through, but I don't yet see how to solve this using a Set or a Hash.

  • Dan Cseko  

    Aug 11, 10:13 AM

    @Paul - Does it help if I say that the number you're looking for is k - N where N is the current item in the loop? A set would help you know if you've already seen the answer to that sum.

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