1310. XOR Queries of a Subarray.cpp

class Solution {
public:
    vector<int> xorQueries(vector<int>& arr, vector<vector<int>>& queries) {
        vector<int> ans;

        for(int i = 0; i<queries.size(); i++){
            int first = queries[i][0];
            int second = queries[i][1];
            int num = 0;
            for(int j = first; j<=second; j++){
                num ^= arr[j];
            }
            ans.push_back(num);
        }
        return ans;
    }
};