Solution: Subarray Sum Equals K
Explore how to determine the total number of subarrays whose sum equals a target value k. Understand the use of prefix sums and hash maps to solve this problem efficiently in linear time and space, enabling you to implement optimized solutions for similar coding interview challenges.
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Statement
Given an array of integers nums and an integer k, determine the total number of subarrays whose sum is exactly equal to k.
Note: A subarray is a contiguous, non empty sequence of elements within an array.
Constraints:
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