Find Minimum Rooms Needed

Q: Find Minimum Rooms Needed

This question evaluates understanding of interval scheduling and conflict detection in time ranges, along with algorithmic reasoning and appropriate data structure use for managing concurrent events and resource allocation.

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Question

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You are given a list of meeting intervals, where each interval is represented as [start, end) and start < end. Two meetings conflict if their time ranges overlap. Determine the minimum number of rooms required so that all meetings can be scheduled without conflicts.

Example:

Input: [[0, 30], [5, 10], [15, 20]]
Output: 2

A simple follow-up is to explain how you would also produce one valid room assignment for each meeting.

Find Minimum Rooms Needed

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