2433. Find The Original Array of Prefix Xor

class Solution {
public:
    vector<int> findArray(vector<int>& pref) {
      vector<int>ans(pref.size());
      ans[0] = pref[0];
     for(int i=1; i<pref.size(); i++)
     {
         int result = pref[i-1] ^ pref[i];
         ans[i] = result;
     }

     return ans;
    }
};