'''simple docstring'''
def  __lowerCamelCase       (      _UpperCamelCase  :  int							,    _UpperCamelCase  :  list					):


      '''simple docstring'''


      _enforce_args(_UpperCamelCase							,    _UpperCamelCase					)
      if n == 0:
            return 0
      UpperCAmelCase_            =  float('''-inf'''					)
      for i in range(1							,    n + 1					):
            UpperCAmelCase_            =  max(
                _UpperCamelCase							,    prices[i - 1] + naive_cut_rod_recursive(n - i							,    _UpperCamelCase					)					)

      return max_revue



def  __lowerCamelCase       (      _UpperCamelCase  :  int							,    _UpperCamelCase  :  list					):


      '''simple docstring'''


      _enforce_args(_UpperCamelCase							,    _UpperCamelCase					)
      UpperCAmelCase_            =  [float('''-inf'''					) for _ in range(n + 1					)]
      return _top_down_cut_rod_recursive(_UpperCamelCase							,    _UpperCamelCase							,    _UpperCamelCase					)



def  __lowerCamelCase       (      _UpperCamelCase  :  int							,    _UpperCamelCase  :  list							,    _UpperCamelCase  :  list					):


      '''simple docstring'''


      if max_rev[n] >= 0:
            return max_rev[n]
      elif n == 0:
            return 0
      else:
            UpperCAmelCase_            =  float('''-inf'''					)
            for i in range(1							,    n + 1					):
                  UpperCAmelCase_            =  max(
                      _UpperCamelCase							,    prices[i - 1] + _top_down_cut_rod_recursive(n - i							,    _UpperCamelCase							,    _UpperCamelCase					)							,    )

            UpperCAmelCase_            =  max_revenue

      return max_rev[n]



def  __lowerCamelCase       (      _UpperCamelCase  :  int							,    _UpperCamelCase  :  list					):


      '''simple docstring'''


      _enforce_args(_UpperCamelCase							,    _UpperCamelCase					)

      # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
      # length 0.
      UpperCAmelCase_            =  [float('''-inf'''					) for _ in range(n + 1					)]
      UpperCAmelCase_            =  0

      for i in range(1							,    n + 1					):
            UpperCAmelCase_            =  max_rev[i]
            for j in range(1							,    i + 1					):
                  UpperCAmelCase_            =  max(_UpperCamelCase							,    prices[j - 1] + max_rev[i - j]					)

            UpperCAmelCase_            =  max_revenue_i

      return max_rev[n]



def  __lowerCamelCase       (      _UpperCamelCase  :  int							,    _UpperCamelCase  :  list					):


      '''simple docstring'''


      if n < 0:
            UpperCAmelCase_            =  F"""n must be greater than or equal to 0. Got n = {n}"""
            raise ValueError(_UpperCamelCase					)

      if n > len(_UpperCamelCase					):
            UpperCAmelCase_            =  (
                '''Each integral piece of rod must have a corresponding price. '''
                F"""Got n = {n} but length of prices = {len(_UpperCamelCase					)}"""
            )
            raise ValueError(_UpperCamelCase					)



def  __lowerCamelCase       (      ):


      '''simple docstring'''


      UpperCAmelCase_            =  [6, 10, 12, 15, 20, 23]
      UpperCAmelCase_            =  len(_UpperCamelCase					)

      # the best revenue comes from cutting the rod into 6 pieces, each
      # of length 1 resulting in a revenue of 6 * 6 = 36.
      UpperCAmelCase_            =  36

      UpperCAmelCase_            =  top_down_cut_rod(_UpperCamelCase							,    _UpperCamelCase					)
      UpperCAmelCase_            =  bottom_up_cut_rod(_UpperCamelCase							,    _UpperCamelCase					)
      UpperCAmelCase_            =  naive_cut_rod_recursive(_UpperCamelCase							,    _UpperCamelCase					)

      assert expected_max_revenue == max_rev_top_down
      assert max_rev_top_down == max_rev_bottom_up
      assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
      main()






'''simple docstring'''
import json
import os
import unittest

from transformers.models.xlm.tokenization_xlm import VOCAB_FILES_NAMES, XLMTokenizer
from transformers.testing_utils import slow

from ...test_tokenization_common import TokenizerTesterMixin







class lowerCamelCase							(	lowerCamelCase     ,		unittest.TestCase					):




  '''simple docstring'''



  lowerCAmelCase__										=	XLMTokenizer
  lowerCAmelCase__										=	False






  def  lowerCAmelCase__ (      self			:       int  )				->Union[str, Any]:
        super().setUp()

        # Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
        UpperCAmelCase_            =  [
            '''l''',
            '''o''',
            '''w''',
            '''e''',
            '''r''',
            '''s''',
            '''t''',
            '''i''',
            '''d''',
            '''n''',
            '''w</w>''',
            '''r</w>''',
            '''t</w>''',
            '''lo''',
            '''low''',
            '''er</w>''',
            '''low</w>''',
            '''lowest</w>''',
            '''newer</w>''',
            '''wider</w>''',
            '''<unk>''',
        ]
        UpperCAmelCase_            =  dict(zip(UpperCAmelCase__  ,							range(len(UpperCAmelCase__  )  )  )  )
        UpperCAmelCase_            =  ['''l o 123''', '''lo w 1456''', '''e r</w> 1789''', '''''']

        UpperCAmelCase_            =  os.path.join(self.tmpdirname  ,							VOCAB_FILES_NAMES['''vocab_file''']  )
        UpperCAmelCase_            =  os.path.join(self.tmpdirname  ,							VOCAB_FILES_NAMES['''merges_file''']  )
        with open(self.vocab_file  ,							'''w'''  ) as fp:
              fp.write(json.dumps(UpperCAmelCase__  )  )
        with open(self.merges_file  ,							'''w'''  ) as fp:
              fp.write('''\n'''.join(UpperCAmelCase__  )  )






  def  lowerCAmelCase__ (      self			:       Optional[int]  ,							UpperCAmelCase__			:       Any  )				->List[Any]:
        UpperCAmelCase_            =  '''lower newer'''
        UpperCAmelCase_            =  '''lower newer'''
        return input_text, output_text






  def  lowerCAmelCase__ (      self			:       Union[str, Any]  )				->Tuple:
        UpperCAmelCase_            =  XLMTokenizer(self.vocab_file  ,							self.merges_file  )

        UpperCAmelCase_            =  '''lower'''
        UpperCAmelCase_            =  ['''low''', '''er</w>''']
        UpperCAmelCase_            =  tokenizer.tokenize(UpperCAmelCase__  )
        self.assertListEqual(UpperCAmelCase__  ,							UpperCAmelCase__  )

        UpperCAmelCase_            =  tokens + ['''<unk>''']
        UpperCAmelCase_            =  [14, 15, 20]
        self.assertListEqual(tokenizer.convert_tokens_to_ids(UpperCAmelCase__  )  ,							UpperCAmelCase__  )






  @slow
  def  lowerCAmelCase__ (      self			:       Any  )				->str:
        UpperCAmelCase_            =  XLMTokenizer.from_pretrained('''xlm-mlm-en-2048'''  )

        UpperCAmelCase_            =  tokenizer.encode('''sequence builders'''  ,							add_special_tokens=UpperCAmelCase__  )
        UpperCAmelCase_            =  tokenizer.encode('''multi-sequence build'''  ,							add_special_tokens=UpperCAmelCase__  )

        UpperCAmelCase_            =  tokenizer.build_inputs_with_special_tokens(UpperCAmelCase__  )
        UpperCAmelCase_            =  tokenizer.build_inputs_with_special_tokens(UpperCAmelCase__  ,							UpperCAmelCase__  )

        assert encoded_sentence == [0] + text + [1]
        assert encoded_pair == [0] + text + [1] + text_a + [1]





