LeetCode 283. 移动零 Move Zeroes (Easy)

class Solution {
public:
    void moveZeroes(vector<int>& nums) {
        
        int index = 0;
        for (int num : nums)
        {
            if (num != 0)
                nums[index++] = num;
        }
        while (index < nums.size())  //补零
            nums[index++] = 0;
    }
};