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Solution: Sort Array By Parity II

Explore how to apply a modified cyclic sort with two pointers to rearrange an integer array ensuring even numbers occupy even indexes and odd numbers occupy odd indexes. Understand an optimal in-place method that swaps misplaced elements directly, achieving linear time complexity and constant space usage.

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 ...