LeetCode : Move Zeroes

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.

For example, given nums = [0, 1, 0, 3, 12], after calling your function, nums should be [1, 3, 12, 0, 0].

Note:
You must do this in-place without making a copy of the array.
Minimize the total number of operations.

class Solution {
public:
    void moveZeroes(vector<int>& nums) {
        vector<int>result = nums;
        nums.clear();
        for(int i=0;i<result.size();++i)
        {
            if(result[i]!=0)
            {
                nums.push_back(result[i]);
            }
        }
        for(int i=0;i<result.size();++i)
        {
            if(result[i]==0)
               nums.push_back(0);
        }

    }
};