title: Find The Maximum Element In An Array Which Is First Increasing And Then Decreasing
signature: function find_the_maximum_element_in_an_array_which_is_first_increasing_and_then_decreasing(arr, low, high)
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, low, high, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(arr, low, high) 
      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({11, 15, 16, 19, 24, 25, 26, 28, 34, 34, 43, 61, 63, 66, 67, 72, 77, 79, 81, 83, 87, 94, 99}, 15, 21, 94)
      print(string.format("TEST-0...%s",result))
  
      result = driver({8, 92}, 1, 1, 92)
      print(string.format("TEST-1...%s",result))
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 23, 15, 1)
      print(string.format("TEST-2...%s",result))
  
      result = driver({84, 39, 92, 89, 38, 75, 18, 39, 83, 67, 41, 46, 49, 27}, 8, 13, 92)
      print(string.format("TEST-3...%s",result))
  
      result = driver({-98, -94, -88, -84, -74, -72, -58, -52, -48, -48, -46, -42, -42, -32, -30, -30, -18, -10, -8, -8, -6, -4, 4, 6, 28, 30, 34, 38, 44, 48, 56, 58, 60, 64, 86}, 31, 34, 86)
      print(string.format("TEST-4...%s",result))
  
      result = driver({0, 1, 0}, 2, 2, 1)
      print(string.format("TEST-5...%s",result))
  
      result = driver({5, 9, 10, 16, 18, 19, 23, 24, 26, 33, 37, 44, 46, 54, 55, 57, 58, 59, 63, 64, 70, 75, 77, 81, 83, 84, 85, 85, 88, 89, 96, 97, 99}, 20, 31, 97)
      print(string.format("TEST-6...%s",result))
  
      result = driver({86, 20, -50, 74, -78, 86}, 3, 5, 86)
      print(string.format("TEST-7...%s",result))
  
      result = driver({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}, 19, 18, 1)
      print(string.format("TEST-8...%s",result))
  
      result = driver({16, 57, 65, 61, 17, 63, 7, 35, 69, 91, 30, 44, 99, 80, 6, 80, 56, 8, 84, 95, 20, 73, 30, 62, 77, 26, 66, 61, 61, 45}, 28, 22, 99)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
source_py: def find_the_maximum_element_in_an_array_which_is_first_increasing_and_then_decreasing(arr, low, high):
      max = arr[low]
      i = low
      for i in range((high + 1)):
          if (arr[i] > max):
              max = arr[i]
      return max
source_cpp: int find_the_maximum_element_in_an_array_which_is_first_increasing_and_then_decreasing(vector<int> arr, int low, int high) {
    int max = arr [ low ];
    int i;
    for ( i = low + 1;
    i <= high;
    i ++ ) {
      if ( arr [ i ] > max ) max = arr [ i ];
      else break;
    }
    return max;
  }