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A finance team reviews daily net cash movements and wants to know how many contiguous stretches of days net exactly to a target amount.
Return the number of such stretches. Stretches may overlap.
movements = [1, 2, 3], target = 3[1, 2]sums to 3[3]sums to 32Sign in to keep a note here. It is free, and nobody else can see it.
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O(n) time · O(n) space
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[1,2] and [3].
Example 2
The two overlapping adjacent pairs.