Quick Overview

Merge k sorted arrays into one ascending list with duplicate values removed. Use a min-heap for O(N log k) time and O(k) extra space, with correct handling of empty arrays and repeated values.

Merge K Sorted Arrays Without Duplicates

Company: Amazon

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: Merge k sorted arrays into one ascending list with duplicate values removed. Use a min-heap for O(N log k) time and O(k) extra space, with correct handling of empty arrays and repeated values.

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