title: Minimum Xor Value Pair 1
signature: class Solution {
  
      public int MinimumXorValuePair1(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>{8, 11, 12, 27, 32, 32, 36, 56, 57, 66, 68, 70, 74, 78, 82, 83, 96}, 10, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-60, -8, 4, 38, 40, 42, 48, 66}, 7, 
                  -4
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 19, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{2, 3, 4, 6, 7, 7, 10, 11, 12, 15, 16, 20, 24, 28, 29, 32, 36, 37, 38, 44, 48, 49, 50, 52, 57, 57, 57, 61, 63, 64, 65, 66, 67, 68, 70, 76, 78, 81, 82, 86, 87, 89, 91, 95, 95, 98}, 36, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-88, -84, -76, -58, -40, -38, -28, -24, -20, -14, -12, 16, 20, 28, 28, 30, 40, 44, 56, 58, 60, 92, 92}, 13, 
                  -28
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 20, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{6, 6, 19, 31, 41, 45, 49, 56, 78, 96, 98}, 6, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-90, -84, -4, 22, 62}, 3, 
                  10
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 21, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{7, 10, 13, 20, 28, 29, 34, 37, 39, 42, 43, 56, 58, 65, 69, 72, 74, 83, 91, 92, 93, 99}, 14, 
                  1
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def minimum_xor_value_pair_1(arr, n):
      arr.sort()
      minXor = int(sys.float_info.max)
      val = 0
      for i in range(0, (n - 1)):
          val = (arr[i] ^ arr[(i + 1)])
          minXor = min(minXor, val)
      return minXor
source_cpp: int minimum_xor_value_pair_1(vector<int> arr, int n) {
    sort(arr.begin(), arr.end());
    int minXor = INT_MAX;
    int val = 0;
    for ( int i = 0;
    i < n - 1;
    i ++ ) {
      val = arr [ i ] ^ arr [ i + 1 ];
      minXor = min ( minXor, val );
    }
    return minXor;
  }