Quick Overview

Implement merge sort from first principles and return integers in nondecreasing order without a built-in sort. The exercise covers empty input, duplicates, negative values, multiset preservation, divide-and-merge structure, and the expected logarithmic recursion depth.

Implement Merge Sort and Return a Sorted Array

Company: Salesforce

Role: Member of Technical Staff

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Onsite

Overview: Implement merge sort from first principles and return integers in nondecreasing order without a built-in sort. The exercise covers empty input, duplicates, negative values, multiset preservation, divide-and-merge structure, and the expected logarithmic recursion depth.

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