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Solution: Sort Array By Parity II

Explore a modified cyclic sort pattern to solve the Sort Array By Parity II problem. Learn to use two pointers for even and odd indices to swap misplaced elements in-place, ensuring even numbers occupy even positions and odd numbers occupy odd positions efficiently with O(n) time and O(1) space complexity.

Statement

You are given an integer array, nums, where exactly half of the elements are even, and the other half are odd.

Rearrange nums such that:

  • All even numbers are placed at even indexes ...