Quick Overview

Implement `merge_intervals(intervals)` for closed integer intervals `[start, end]` with `start <= end`. Work through the function contract, boundary cases, correctness argument, and time and space complexity expected in a production-quality solution.

Merge Overlapping Intervals with a Sweep

Company: Amazon

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: hard

Interview Round: Online Assessment

Overview: Implement `merge_intervals(intervals)` for closed integer intervals `[start, end]` with `start <= end`. Work through the function contract, boundary cases, correctness argument, and time and space complexity expected in a production-quality solution.

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