Very Difficult to Find the Most Optimized Solution If You Have Never Seen This Coding Question
LeetCode problem 442, "Find All Duplicates in an Array," tasks you with finding all the elements that appear twice in an array.
The array contains integers ranging from 1 to n, where n is the size of the array.
The challenge is to solve it without using extra space and in O(n) time complexity.
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Time Complexity = O(n), where 'n' is the length of the input array
Space Complexity = O(n), where 'n' is the length of the input array
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