283. Move Zeroes
Description
Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements.
Example 1:
Input: [0,1,0,3,12]
Output: [1,3,12,0,0]
NOTES
- You must do this in-place without making a copy of the array.
- Minimize the total number of operations.