Quick Overview

Compute the minimum rooms required for half-open meeting intervals, allowing a new meeting to begin exactly as another ends. This algorithm question tests event tie semantics, overlap accounting, empty input, nonmutation, asymptotic performance, and comparison of sweep-based and active-end-time approaches.

Compute the Minimum Number of Meeting Rooms

Company: Walmart Labs

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: Compute the minimum rooms required for half-open meeting intervals, allowing a new meeting to begin exactly as another ends. This algorithm question tests event tie semantics, overlap accounting, empty input, nonmutation, asymptotic performance, and comparison of sweep-based and active-end-time approaches.

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