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Find the First K Missing Positive Numbers

Explore how to identify the first k missing positive numbers from an unsorted integer array by leveraging the cyclic sort pattern. This lesson helps you understand problem constraints, optimize your approach to run in O(n + k) time, and develop a clear, efficient solution strategy for coding interviews.

Statement

Given an unsorted integer array, arr, of size n and an integer k, find the first k missing positive integers from the array, ignoring all negative numbers ...