Problem is not clear


  • 3
    A

    What does the following mean? Increment a string by 1 (integer)?

    increments an existing key by 1

    I think it means the value of the key : can be clearly written in the question.


  • 0

    right, it means the integer value of the string key. Sounds like a pretty strong suggestion to use a Hash Table somewhere in the solution!


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