How to Solve Minimum Cost to Make Arrays Identical Problem
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Minimum Cost to Make Arrays Identical
You are given two integer arrays arr and brr of length n, and an integer k. You can perform the following operations on arr any number of times: Split arr into any number of contiguous subarrays and r...
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Understanding the Minimum Cost to Make Arrays Identical Problem
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Problem Statement
You are given two integer arrays arr and brr of length n, and an integer k. You can perform the following operations on arr any number of times: Split arr into any number of contiguous subarrays and rearrange these subarrays in any order. This operation has a fixed cost of k. Choose any element in arr and add or subtract a positive integer x to it. The cost of this operation is x. Return the minimum total cost to make arr equal to brr.
Minimum Cost to Make Arrays Identical
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Examples
arr = [-7,9,5], brr = [7,-2,-5], k = 213Split arr into two contiguous subarrays: [-7] and [9, 5] and rearrange them as [9, 5, -7], with a cost of 2. Subtract 2 from element arr[0]. The array becomes [7, 5, -7]. The cost of this operation is 2. Subtract 7 from element arr[1]. The array becomes [7, -2, -7]. The cost of this operation is 7. Add 2 to element arr[2]. The array becomes [7, -2, -5]. The cost of this operation is 2. The total cost to make the arrays equal is 2 + 2 + 7 + 2 = 13.
arr = [2,1], brr = [2,1], k = 00Since the arrays are already equal, no operations are needed, and the total cost is 0.
Constraints
1 <= arr.length == brr.length <= 1050 <= k <= 2 * 1010105 <= arr[i] <= 105105 <= brr[i] <= 105How Interview Coder Helps with Leetcode Problems
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