Grokking Data Structures & Algorithms for Coding Interviews
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Solution: Meeting Rooms II

Problem Statement

Given a list of time intervals during which meetings are scheduled, determine the minimum number of meeting rooms that are required to ensure that none of the meetings overlap in time.

Examples

  1. Example 1:

    • Input: [[10, 15], [20, 25], [30, 35]]
    • Expected Output: 1
    • Justification: There are no overlapping intervals in the given list. So, only 1 meeting room is enough for all the meetings.

  2. Example 2:

    • Input: [[10, 20], [15, 25], [24, 30]]
    • Expected Output: 2

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