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Grokking the Coding Interview Patterns

Solution: Merge Intervals

Understand how to merge overlapping intervals by sorting them based on start times and iteratively combining those that overlap. This lesson guides you through an optimized approach with better time complexity and clear implementation steps.

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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 ...