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Solution: Minimum Operations to Make All Array Elements Equal

Explore the method to calculate the minimum number of operations required to make all elements in an array equal to specific query values. This lesson teaches you how to utilize sorting, prefix sums, and binary search to efficiently determine the cost of increasing or decreasing elements for each query, helping to optimize solutions involving array manipulation.

Statement

You are given an array, nums, consisting of positive integers of size n and another array queries of size m. For each query ii in queries, the goal is to make all elements of nums equal to queries[i]. To achieve this, you can perform the following operation any number of times:

  • Increase or decrease an element of nums by 1.

Return an array answer of size m, where answer[i] is the minimum number of operations needed to make all elements of nums equal to queries[i]. After processing each query, the nums array is reset to its original state.

Constraints

  • n ==== nums.length

  • m ==== ...