Solution: Dot Product of Two Sparse Vectors
Explore how to implement a SparseVector class that calculates the dot product of two sparse vectors by storing only nonzero elements and their positions in hash maps. Learn to optimize computation and memory usage by focusing on entries where both vectors have nonzero values.
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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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