Leetcode Algorithms

905. Sort Array By Parity

Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all the odd elements of A.

You may return any answer array that satisfies this condition.

Example 1:

Note:

  1. 1 <= A.length <= 5000
  2. 0 <= A[i] <= 5000

Solution:

Time: O(N)

Space: O(N)

Java Solution in O(N) and O(1):

Reference

Link

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