title: Find Minimum Difference Pair 1
signature: function find_minimum_difference_pair_1(arr, n)
source_py: def find_minimum_difference_pair_1(arr, n):
      arr = sorted(arr)
      diff = (10 ** 20)
      for i in range((n - 1)):
          if ((arr[(i + 1)] - arr[i]) < diff):
              diff = (arr[(i + 1)] - arr[i])
      return diff
source_cpp: int find_minimum_difference_pair_1(vector<int> arr, int n) {
    sort(arr.begin(), arr.end());
    int diff = INT_MAX;
    for ( int i = 0;
    i < n - 1;
    i ++ ) if ( arr [ i + 1 ] - arr [ i ] < diff ) diff = arr [ i + 1 ] - arr [ i ];
    return diff;
  }
question_info.entry_fn_name: find_minimum_difference_pair_1
question_info.entry_cls_name: Solution
question_info.test_case_ids: ['0', '1', '2', '3', '4', '5', '6', '7', '8']
question_info.test_code: 
  
  -- SOLUTION CODE
  -- ============================================
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  function isCorrect(actual, expected)
      if type(expected) ~= type(actual) then
          return false
      end
      
      if type(expected) == 'table' then
          for k,v_expected in pairs(expected) do
              
              if actual[k] == nil then
                  return false
              end
              local v_actual = actual[k]
              if not isCorrect(v_actual, v_expected) then
                  return false
              end
              actual[k]=nil
          end
      
          if next(actual) then 
              return false
          end
          return true
      else
          return actual == expected
      end
  end
  
  function validateSolution(actual, expected)
      return isCorrect(actual,expected)
  end
  
  function driver(arr, n, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(arr, n) 
      end)
      if status then
          if validateSolution(exec_result,expected) then
              return "PASSED"
          end
          return "FAILED"
      else
          return string.format("ERROR=%s",string.gsub(error_msg,".*:[%d]+: ",""))
      end
  end
      
  function main()
      result = driver({3, 25, 44, 46, 54, 60, 81}, 3, 19)
      print(string.format("TEST-0...%s",result))
  
      result = driver({82, 68, -98, -66, -36, -42, 98, -38, 58, -6, -28, 70, -24, 18, 16, 10, 92, 44, 28, -96, -72, 24, 28, -80, -4, 38, 88, 76}, 22, 0)
      print(string.format("TEST-1...%s",result))
  
      result = driver({1, 1, 1}, 2, 0)
      print(string.format("TEST-2...%s",result))
  
      result = driver({87, 25, 80, 45, 44, 20, 48, 47, 51, 54, 68, 47, 89, 95, 15, 29, 5, 45, 2, 64, 53, 96, 94, 22, 23, 43, 61, 75, 74, 50}, 15, 0)
      print(string.format("TEST-3...%s",result))
  
      result = driver({-74, -48, -42, -26, -16, -12, 0, 4, 8, 18, 46, 46, 62, 70, 74, 88, 92, 96, 98}, 18, 0)
      print(string.format("TEST-4...%s",result))
  
      result = driver({0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0}, 36, 0)
      print(string.format("TEST-5...%s",result))
  
      result = driver({27, 42, 59, 80}, 2, 15)
      print(string.format("TEST-6...%s",result))
  
      result = driver({-96, -94, 10, -36, 18, -40}, 4, 2)
      print(string.format("TEST-7...%s",result))
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 12, 0)
      print(string.format("TEST-8...%s",result))
  
  end
  
  main()
question_info.test_list: [{"idx": 0, "outputs": 19, "inputs": {"arr": [3, 25, 44, 46, 54, 60, 81], "n": 3}}, {"idx": 1, "outputs": 0, "inputs": {"arr": [82, 68, -98, -66, -36, -42, 98, -38, 58, -6, -28, 70, -24, 18, 16, 10, 92, 44, 28, -96, -72, 24, 28, -80, -4, 38, 88, 76], "n": 22}}, {"idx": 2, "outputs": 0, "inputs": {"arr": [1, 1, 1], "n": 2}}, {"idx": 3, "outputs": 0, "inputs": {"arr": [87, 25, 80, 45, 44, 20, 48, 47, 51, 54, 68, 47, 89, 95, 15, 29, 5, 45, 2, 64, 53, 96, 94, 22, 23, 43, 61, 75, 74, 50], "n": 15}}, {"idx": 4, "outputs": 0, "inputs": {"arr": [-74, -48, -42, -26, -16, -12, 0, 4, 8, 18, 46, 46, 62, 70, 74, 88, 92, 96, 98], "n": 18}}, {"idx": 5, "outputs": 0, "inputs": {"arr": [0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0], "n": 36}}, {"idx": 6, "outputs": 15, "inputs": {"arr": [27, 42, 59, 80], "n": 2}}, {"idx": 7, "outputs": 2, "inputs": {"arr": [-96, -94, 10, -36, 18, -40], "n": 4}}, {"idx": 8, "outputs": 0, "inputs": {"arr": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1], "n": 12}}]