2149. Rearrange Array Elements by Sign

class Solution {
public:
    vector<int> rearrangeArray(vector<int>& nums) {
       vector<int>positive;
       vector<int>negative;


       for(int i=0; i<nums.size(); i++)
       {
            if(nums[i]>0)
                positive.push_back(nums[i]);
            else
                negative.push_back(nums[i]); 
       }

       vector<int>ans;

       for(int i=0; i<positive.size(); i++)
       {
           ans.push_back(positive[i]);
           ans.push_back(negative[i]);
       }
       positive ={};
       negative = {};

       return ans;

    }
};