title: Maximum Removal From Array When Removal Time Waiting Time
signature: function maximum_removal_from_array_when_removal_time_waiting_time(arr, n)
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({7, 33, 34, 42, 42, 45, 73}, 5, 3)
      print(string.format("TEST-0...%s",result))
  
      result = driver({-98, -90, -80, -66, -64, -62, -48, -30, -20, -10, 4, 6, 12, 14, 32, 42, 44, 44, 52, 64, 86, 92, 94}, 16, 4)
      print(string.format("TEST-1...%s",result))
  
      result = driver({0, 0, 0, 0, 1}, 2, 2)
      print(string.format("TEST-2...%s",result))
  
      result = driver({11, 44, 71, 82, 85, 89}, 3, 3)
      print(string.format("TEST-3...%s",result))
  
      result = driver({-96, -92, -78, -72, -68, -58, -52, -50, -50, -48, -42, -32, -20, -18, -4, 0, 0, 2, 18, 18, 20, 24, 32, 34, 36, 38, 38, 60, 66, 68, 70, 72, 72, 74, 76, 96, 98}, 21, 5)
      print(string.format("TEST-4...%s",result))
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 16, 11)
      print(string.format("TEST-5...%s",result))
  
      result = driver({8, 9, 10, 11, 12, 15, 17, 19, 20, 21, 24, 30, 33, 35, 36, 39, 41, 41, 42, 54, 62, 63, 68, 70, 71, 72, 77, 85, 86, 86, 94, 95, 97, 97}, 31, 5)
      print(string.format("TEST-6...%s",result))
  
      result = driver({-94, -90, -72, -70, -66, -60, -24, -16, 4, 4, 10, 22, 28, 36, 46, 60, 70, 72, 76, 92, 96}, 20, 6)
      print(string.format("TEST-7...%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}, 13, 13)
      print(string.format("TEST-8...%s",result))
  
      result = driver({7, 10, 12, 16, 20, 28, 31, 40, 42, 47, 53, 57, 59, 63, 63, 67, 69, 84, 90, 97}, 10, 4)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
source_py: def maximum_removal_from_array_when_removal_time_waiting_time(arr, n):
      count = 0
      cummulative_sum = 0
      arr.sort()
      for i in range(n):
          if (arr[i] >= cummulative_sum):
              count += 1
              cummulative_sum += arr[i]
      return count
source_cpp: int maximum_removal_from_array_when_removal_time_waiting_time(vector<int> arr, int n) {
    int count = 0;
    int cummulative_sum = 0;
    sort(arr.begin(), arr.end());
    for ( int i = 0;
    i < n;
    i ++ ) {
      if ( arr [ i ] >= cummulative_sum ) {
        count ++;
        cummulative_sum += arr [ i ];
      }
    }
    return count;
  }