Solution: Dot Product of Two Sparse Vectors
Explore how to calculate the dot product of two sparse vectors by storing only nonzero elements with hash maps. Understand the approach that reduces time and space complexity by focusing on relevant positions, and apply this efficient technique in coding interviews.
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Statement
We must calculate the dot product of two given sparse vectors, nums1 and nums2.
Create a SparseVector class:
Constructor(): Initializes the object with the vector.
DotProduct(): Computes the dot product between the current instance of the vector and the other.
Note: A sparse vector is a vector that contains mostly zero values. Therefore, we should store the sparse vectors and calculate the dot product accordingly.
Constraints:
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