Search⌘ K

DIY: Employee Free Time

Explore how to identify shared free time intervals from multiple employee schedules using Kotlin. This lesson helps you develop skills in handling interval data structures and merging overlapping meetings to optimize calendar availability.

Problem statement

We are given a list containing the schedules of multiple people. Each person’s schedule is a list of non-overlapping intervals in sorted order. An interval is specified with the start time and an end time, both being positive integers. Your task is to find the list of intervals representing the free time for all the people. We are not interested in the interval from negative infinity to ...