Doesn't empty array count as a sub-array?


  • 1
    Y

    I don't see why the answer to nums = [1], k = 0 should be 0

    The problem statement does not say that we only consider non-empty sub-array.
    According to this Stanford lecture
    A subarray of an array is a consecutive sequence of zero or more values taken out of that array.

    So empty array does count as a sub-array.


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