Meta SWE Interview Question 2024 June | Prefix Sum | on-campus

Question 1: Subarray Sum Equals K Problem Statement Given an array of integers nums and an integer k, return the total number of subarrays whose sum equals to k. A subarray is a contiguous non-empty sequence of elements within an array. Constraints 1 <= nums.length <= 2 × 104 -1000 <= nums[i] <= 1000 -107 <= k <= 107 Examples Example 1: Input: nums = [1,1,1], k = 2 Output: 2 Explanation 1: The subarrays [1,1] starting at index 0 ...