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Solution: Remove Element

Explore how to use the two pointers approach to remove all occurrences of a specified value from an array. This lesson helps you understand manipulating arrays in place without extra memory, improving your solving skills for array problems commonly tested in coding interviews.

Statement

You are given an integer array, nums, and an integer, val. Your task is to remove all occurrences of val from nums in place, meaning no additional memory allocation should be used. The relative order of the elements in the array may be changed. After modifying the array, return the number of elements that are not equal to val.

Let ...