We are given an input array, tasks, where tasks[i] $= [start_i, end_i]$ represents the start and end times of $n$ tasks. Our goal is to schedule these tasks on machines given the following criteria:

1. A machine can execute only one task at a time.

2. A machine can begin executing a new task immediately after completing the previous one.

3. An unlimited number of machines are available.

Find the minimum number of machines required to complete these ...