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Grokking the Coding Interview Patterns in C++

Kth Smallest Number in M Sorted Lists

Explore the methods to identify the kth smallest element across multiple sorted lists in ascending order. This lesson helps you understand how to treat duplicates, handle cases when k exceeds total elements, and implement solutions using K-way merge techniques in C++. You'll develop skills to solve similar problems efficiently in coding interviews.

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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 ...