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Grokking the Coding Interview Patterns

Solution: Move Zeroes

Explore the two pointers approach to move all zeroes in an integer array to the end while preserving the order of non-zero elements. Understand how to perform this in-place using a left pointer for the next non-zero slot and a right pointer to scan elements. Gain skills to efficiently solve similar array rearrangement problems.

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Statement

Given an integer array, nums, rearrange the elements such that all 0′s0's are moved to the end of the array, while the relative order of all non-zero elements is preserved.

Note: The operation must be performed in-place, without creating a copy of the array.

Constraints:

  • 1≤1 \leq nums.length ≤104\leq 10^4 ...