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Solution: Count Days Without Meetings

Explore how to solve the problem of counting free work days when meetings may overlap. This lesson teaches you to merge intervals by sorting and tracking occupied days. You will learn an efficient algorithm with O(n log n) time complexity to calculate the days free from meetings within a given period.

Statement

You are given a positive integer, days, which represents the total number of days an employee is available for work, starting from day 11. You are also given a 2D array, meetings, where each entry meetings[i] ...