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Method 1 : Declare a set data structure. Insert the elements of array in set. Print the set Time and Space Complexity : Time Complexity : O (n) Space Complexity : O (n) Remove duplicates in Java Set ...
Do it in place in the array. Move the unique numbers to the front of the array. Return the total number of the unique numbers. Move duplicate integers to the tail of nums => nums = [1,3,4,2,?,?].
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