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Find All Duplicates in an Array

Explore how to identify all integers that appear twice in an array where each number ranges from 1 to n. Learn to implement an efficient solution that runs in linear time and uses constant extra space. This lesson helps improve your problem-solving for coding interviews by mastering a common array pattern.

Statement

Given an integer array, nums, of length nn, where all the integers of nums are in the range [1,n][1, n] ...