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Solution: Sort Array By Parity II

Understand how to rearrange an integer array with equal even and odd elements so that even numbers appear at even indexes and odd numbers at odd indexes. Explore a modified cyclic sort combined with two-pointer technique for an in-place, efficient solution that operates in linear time and constant space.

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 ...