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Kth Smallest Number in M Sorted Lists

Explore techniques to identify the kth smallest number among multiple sorted integer lists. Learn to handle duplicates and edge cases like empty lists, while implementing efficient k-way merges. This lesson helps you develop a clear strategy to solve this common pattern in coding interviews.

Statement

Given a list, lists, containing mm sorted lists of integers in ascending order, and an integer k, find the kthk^{th} smallest element among all the lists.

Even if some values appear multiple times across the lists, each occurrence ...