title: Find The Maximum Subarray Xor In A Given Array
signature: class Solution {
  
      public int FindTheMaximumSubarrayXorInAGivenArray(List<int> arr, int n) {
test_code: using System;
  using System.Numerics;
  using System.Diagnostics;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Security.Cryptography;
  using System.Web.UI;
  using System.Web.Script.Serialization;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  namespace EvaluatePrediction {
      class TestRunner {
          public bool ValidateSolution(int actual, int expected){
              return new JavaScriptSerializer().Serialize(actual) == new JavaScriptSerializer().Serialize(expected);
          }
  
          public string driver(List<int> arr, int n, int expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                int pred_result = solution_cls.PLACEHOLDER_FN_NAME(arr, n); 
                if (ValidateSolution(
                      pred_result,
                      expected)){
                  return "PASSED";
                }
                return "FAILED";
              } 
              catch (Exception exception_obj)
              {
                return exception_obj.GetType().FullName;
              }
          }
          static void Main(string[] args) {
              TestRunner runner = new TestRunner();
              String result;
              result = runner.driver(
                  new List<int>{1, 7, 7, 11, 12, 18, 20, 23, 27, 30, 44, 47, 53, 53, 55, 57, 57, 58, 61, 62, 67, 74, 76, 80, 86, 86}, 13, 
                  63
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-34, -4, 68, -82, 54, 20, 6, -18, -70, 98, -40, 80, -28, 78, 28, 56, 26, 2, 2, -56, -66, 44, 0, -72, 12, 54, -40, 18, 28, -48, -56, 72, 84, 60, 76, 26, -8, 62}, 21, 
                  126
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 12, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{33, 98}, 1, 
                  33
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-92, -80, -76, -76, -74, -58, -44, -38, -34, -32, -30, -24, -20, -18, -4, -2, 2, 8, 44, 52, 52, 56, 70, 72, 80, 80, 98}, 15, 
                  126
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0}, 33, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 2, 3, 6, 9, 15, 15, 18, 19, 25, 31, 31, 33, 37, 39, 47, 49, 51, 51, 52, 52, 54, 58, 59, 59, 61, 62, 62, 65, 66, 66, 66, 66, 67, 71, 76, 77, 78, 79, 80, 83, 86, 87, 92, 97, 97, 98, 99}, 38, 
                  127
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{34, -90, 64, 88, -46, -4, -96, 76, -32, 10, -8, -24, 32, -4, 86, -20, -86, -88, -72, 64, 12, 66, -96, -84, 16, -58, -48, 80, -80, 70, -94, -84, 56, 8, -14, 86, 72, -16, -18, 74, 40, 34, 20, 80}, 35, 
                  126
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 1}, 1, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{57, 76, 2, 30, 24, 12, 49, 12, 5, 75, 55, 17, 62, 87, 21, 91, 88, 10, 20, 49, 46, 79, 51, 33, 94, 59, 48, 97, 70, 49}, 25, 
                  127
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def find_the_maximum_subarray_xor_in_a_given_array(arr, n):
      ans = (- 2147483648)
      for i in range(n):
          curr_xor = 0
          for j in range(i, n):
              curr_xor = (curr_xor ^ arr[j])
              ans = max(ans, curr_xor)
      return ans
source_cpp: int find_the_maximum_subarray_xor_in_a_given_array(vector<int> arr, int n) {
    int ans = INT_MIN;
    for ( int i = 0;
    i < n;
    i ++ ) {
      int curr_xor = 0;
      for ( int j = i;
      j < n;
      j ++ ) {
        curr_xor = curr_xor ^ arr [ j ];
        ans = max ( ans, curr_xor );
      }
    }
    return ans;
  }