2433. Find The Original Array of Prefix Xor.cpp

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