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Grokking the Coding Interview Patterns in Python

Solution: Merge Intervals

Understand how to merge overlapping intervals by sorting them and then combining any that overlap. Explore a step-by-step solution that optimizes performance with a time complexity of O(n log n). Learn to implement this approach to produce a list of non-overlapping intervals from any given input.

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Statement

We are given an array of closed intervalsclosedintervals called intervals, where each interval has a start time and an end time and is represented as intervals[i] = [starti, endi]. Your task is to merge all the overlapping intervalsOverlapping intervals are two or more intervals with at least one common point in time. and return an array of the resulting non-overlapping intervals that cover all the intervals in the input.

Constraints:

  • 1≤1 \leq intervals.length ...