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Grokking the Coding Interview Patterns in C++

Solution: Count Days Without Meetings

Understand how to count days without scheduled meetings by merging overlapping intervals. Learn to sort meeting intervals, merge overlaps, and calculate free days effectively with a time-efficient algorithm.

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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] ...