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Grokking the Coding Interview Patterns in Go

Solution: Smallest Range Covering Elements from K Lists

Explore how to identify the smallest range that includes at least one element from each of K sorted lists. Understand using a min heap to dynamically track and narrow down this range, ensuring efficient handling of multiple sorted inputs and improving your problem-solving skills for coding interviews.

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Statement

You are given kk sorted lists of integers, nums, where each list in nums is in non-decreasing order. Your task is to find the smallest range that contains at least one element from each of the kk lists.

A range [a,b][a,b] is considered smaller than another range [c,d][c,d] if ...