2433. Find The Original Array of Prefix Xor

class Solution {
public:
    vector<int> findArray(vector<int>& pref) {
        if(pref.size()==1) return pref;
        vector <int> v;
        v.push_back(pref[0]);
          int p=v[0];
        for(int i=1; i<pref.size();i++ )
        {
         p=pref[i-1] ^ pref[i];
         v.push_back(p);

    
        }
        return v;
    }
};