How to Solve Minimum Equal Sum of Two Arrays After Replacing Zeros Leetcode Problem - Interview Coder Guide
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How to Solve Minimum Equal Sum of Two Arrays After Replacing Zeros Problem

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Medium#3171
LeetCode Problem

Minimum Equal Sum of Two Arrays After Replacing Zeros

You are given two arrays nums1 and nums2 consisting of positive integers. You have to replace all the 0's in both arrays with strictly positive integers such that the sum of elements of both arrays be...

ArrayGreedy

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Problem Breakdown

Understanding the Minimum Equal Sum of Two Arrays After Replacing Zeros Problem

Let's break down this LeetCode problem and understand what makes it challenging in interview settings.

Problem Statement

You are given two arrays nums1 and nums2 consisting of positive integers. You have to replace all the 0's in both arrays with strictly positive integers such that the sum of elements of both arrays becomes equal. Return the minimum equal sum you can obtain, or -1 if it is impossible.

MediumProblem #3171
LeetCode

Minimum Equal Sum of Two Arrays After Replacing Zeros

Related Topics
ArrayGreedy
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Examples

Example 1
INPUT
nums1 = [3,2,0,1,0], nums2 = [6,5,0]
OUTPUT
12
EXPLANATION

We can replace 0's in the following way: - Replace the two 0's in nums1 with the values 2 and 4. The resulting array is nums1 = [3,2,2,1,4]. - Replace the 0 in nums2 with the value 1. The resulting array is nums2 = [6,5,1]. Both arrays have an equal sum of 12. It can be shown that it is the minimum sum we can obtain.

Example 2
INPUT
nums1 = [2,0,2,0], nums2 = [1,4]
OUTPUT
-1
EXPLANATION

It is impossible to make the sum of both arrays equal.

Constraints

1 <= nums1.length, nums2.length <= 105
0 <= nums1[i], nums2[i] <= 106

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