Solution: Dot Product of Two Sparse Vectors
Explore how to compute the dot product of two sparse vectors using a SparseVector class that stores nonzero elements with hash maps. Learn to optimize time and space by focusing calculations only on indices where both vectors have nonzero values, improving efficiency in handling sparse data structures.
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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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