283. Move Zeroes

https://leetcode.com/problems/move-zeroes

Python

class Solution:
    def moveZeroes(self, nums: List[int]) -> None:
        """
        Input: nums = [0,1,0,3,12]
        Output: [1,3,12,0,0]

        """
        if len(nums) < 2:
            return

        cur, r = 0, 0

        while r < len(nums):
            if nums[cur] != 0:
                cur += 1
                r = cur
                continue

            if nums[r] == 0:
                r += 1
                continue

            nums[cur], nums[r] = nums[r], nums[cur]
            cur += 1