






def   snake_case (UpperCAmelCase__     ,   UpperCAmelCase__     ,   UpperCAmelCase__     ,   UpperCAmelCase__  )	->    int:
  # Return True if there is node that has not iterated.
  UpperCamelCase_: List[Any]   				=    [False] * len(__lowerCamelCase  )
  UpperCamelCase_: Any   				=    []
  queue.append(__lowerCamelCase  )
  UpperCamelCase_: Tuple   				=    True

  while queue:
    UpperCamelCase_: str   				=    queue.pop(0  )
    for ind in range(len(graph[u]  )  ):
      if visited[ind] is False and graph[u][ind] > 0:
        queue.append(__lowerCamelCase  )
        UpperCamelCase_: Any   				=    True
        UpperCamelCase_: Union[str, Any]   				=    u

  return visited[t]

def   snake_case (UpperCAmelCase__     ,   UpperCAmelCase__     ,   UpperCAmelCase__  )	->    int:
  # This array is filled by BFS and to store path
  UpperCamelCase_: List[str]   				=    [-1] * (len(__lowerCamelCase  ))
  UpperCamelCase_: Any   				=    0
  while bfs(__lowerCamelCase     ,   __lowerCamelCase     ,   __lowerCamelCase     ,   __lowerCamelCase  ):
    UpperCamelCase_: int   				=    float('Inf'  )
    UpperCamelCase_: Tuple   				=    sink

    while s != source:
      # Find the minimum value in select path
      UpperCamelCase_: Tuple   				=    min(__lowerCamelCase     ,   graph[parent[s]][s]  )
      UpperCamelCase_: Dict   				=    parent[s]

    max_flow += path_flow
    UpperCamelCase_: Optional[Any]   				=    sink

    while v != source:
      UpperCamelCase_: List[str]   				=    parent[v]
      graph[u][v] -= path_flow
      graph[v][u] += path_flow
      UpperCamelCase_: Optional[int]   				=    parent[v]
  return max_flow


A_		:		Any		     =			[
    [0, 16, 13, 0, 0, 0],
    [0, 0, 10, 12, 0, 0],
    [0, 4, 0, 0, 14, 0],
    [0, 0, 9, 0, 0, 20],
    [0, 0, 0, 7, 0, 4],
    [0, 0, 0, 0, 0, 0],
]

A_     ,			A_		:		Optional[Any]		     =			0, 5
print(ford_fulkerson(graph, source, sink))







import json
import os
import unittest

from transformers import CLIPTokenizer, CLIPTokenizerFast
from transformers.models.clip.tokenization_clip import VOCAB_FILES_NAMES
from transformers.testing_utils import require_ftfy, require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin




@require_tokenizers
class     _lowerCAmelCase(	UpperCAmelCase_							,     unittest.TestCase ):





       """simple docstring"""







       a    :		Optional[Any]									=CLIPTokenizer
       a    :		List[Any]									=CLIPTokenizerFast
       a    :		str									=True
       a    :		List[Any]									={}
       a    :		str									=False





       def       _a   ( self							):
         super().setUp()

         # fmt: off
         UpperCamelCase_: str   				=    ['l', 'o', 'w', 'e', 'r', 's', 't', 'i', 'd', 'n', 'lo', 'l</w>', 'w</w>', 'r</w>', 't</w>', 'low</w>', 'er</w>', 'lowest</w>', 'newer</w>', 'wider', '<unk>', '<|startoftext|>', '<|endoftext|>']
         # fmt: on
         UpperCamelCase_: Any   				=    dict(zip(_lowerCamelCase  ,      range(len(_lowerCamelCase							)							)							)							)
         UpperCamelCase_: Optional[int]   				=    ['#version: 0.2', 'l o', 'lo w</w>', 'e r</w>']
         UpperCamelCase_: Any   				=    {'unk_token': '<unk>'}

         UpperCamelCase_: List[Any]   				=    os.path.join(self.tmpdirname  ,      VOCAB_FILES_NAMES['vocab_file']							)
         UpperCamelCase_: Optional[int]   				=    os.path.join(self.tmpdirname  ,      VOCAB_FILES_NAMES['merges_file']							)
         with open(self.vocab_file  ,      'w'  ,      encoding='utf-8'							) as fp:
           fp.write(json.dumps(_lowerCamelCase							) + '\n'							)
         with open(self.merges_file  ,      'w'  ,      encoding='utf-8'							) as fp:
           fp.write('\n'.join(_lowerCamelCase							)							)





       def       _a   ( self  ,      **_lowerCamelCase							):
         kwargs.update(self.special_tokens_map							)
         return CLIPTokenizer.from_pretrained(self.tmpdirname  ,      **_lowerCamelCase							)





       def       _a   ( self  ,      **_lowerCamelCase							):
         kwargs.update(self.special_tokens_map							)
         return CLIPTokenizerFast.from_pretrained(self.tmpdirname  ,      **_lowerCamelCase							)





       def       _a   ( self  ,      _lowerCamelCase							):
         UpperCamelCase_: Union[str, Any]   				=    'lower newer'
         UpperCamelCase_: Tuple   				=    'lower newer'
         return input_text, output_text





       def       _a   ( self							):
         UpperCamelCase_: Dict   				=    CLIPTokenizer(self.vocab_file  ,      self.merges_file  ,      **self.special_tokens_map							)
         UpperCamelCase_: Optional[int]   				=    'lower newer'
         UpperCamelCase_: Any   				=    ['lo', 'w', 'er</w>', 'n', 'e', 'w', 'er</w>']
         UpperCamelCase_: Union[str, Any]   				=    tokenizer.tokenize(_lowerCamelCase							)
         self.assertListEqual(_lowerCamelCase  ,      _lowerCamelCase							)

         UpperCamelCase_: str   				=    tokens + [tokenizer.unk_token]
         UpperCamelCase_: Optional[Any]   				=    [1_0, 2, 1_6, 9, 3, 2, 1_6, 2_0]
         self.assertListEqual(tokenizer.convert_tokens_to_ids(_lowerCamelCase							)  ,      _lowerCamelCase							)





       @require_ftfy
       def       _a   ( self							):
         for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
           with self.subTest(f'''{tokenizer.__class__.__name__} ({pretrained_name})'''							):
             UpperCamelCase_: Optional[int]   				=    self.tokenizer_class.from_pretrained(_lowerCamelCase  ,      **_lowerCamelCase							)
             UpperCamelCase_: List[str]   				=    self.rust_tokenizer_class.from_pretrained(_lowerCamelCase  ,      **_lowerCamelCase							)

             UpperCamelCase_: Optional[int]   				=    'A\n\'ll 11p223RF☆ho!!to?\'d\'d\'\'d of a cat to-$\'\'d.'
             UpperCamelCase_: Tuple   				=    tokenizer_s.tokenize(_lowerCamelCase							)
             UpperCamelCase_: Any   				=    tokenizer_r.tokenize(_lowerCamelCase							)

             self.assertListEqual(_lowerCamelCase  ,      _lowerCamelCase							)

             # Test that the tokenization is identical on an example containing a character (Latin Small Letter A
             # with Tilde) encoded in 2 different ways
             UpperCamelCase_: List[str]   				=    'xa\u0303y' + ' ' + 'x\xe3y'
             UpperCamelCase_: List[Any]   				=    tokenizer_s.tokenize(_lowerCamelCase							)
             UpperCamelCase_: int   				=    tokenizer_r.tokenize(_lowerCamelCase							)

             self.assertListEqual(_lowerCamelCase  ,      _lowerCamelCase							)

             # Test that the tokenization is identical on unicode of space type
             UpperCamelCase_: Dict   				=    [
                 '\u0009',  # (horizontal tab, '\t')
                 '\u000B',  # (vertical tab)
                 '\u000C',  # (form feed)
                 '\u0020',  # (space, ' ')
                 '\u200E',  # (left-to-right mark):w
                 '\u200F',  # (right-to-left mark)
             ]
             for unicode_seq in spaces_unicodes:
               UpperCamelCase_: int   				=    tokenizer_s.tokenize(_lowerCamelCase							)
               UpperCamelCase_: Dict   				=    tokenizer_r.tokenize(_lowerCamelCase							)

               self.assertListEqual(_lowerCamelCase  ,      _lowerCamelCase							)

             # Test that the tokenization is identical on unicode of line break type
             UpperCamelCase_: List[str]   				=    [
                 '\u000A',  # (line feed, '\n')
                 '\r\n',  # (carriage return and line feed, '\r\n')
                 '\u000D',  # (carriage return, '\r')
                 '\r',  # (carriage return, '\r')
                 '\u000D',  # (carriage return, '\r')
                 '\u2028',  # (line separator)
                 '\u2029',  # (paragraph separator)
                 # "\u0085", # (next line)
             ]

             # The tokenization is not identical for the character "\u0085" (next line). The slow version using ftfy transforms
             # it into the Horizontal Ellipsis character "…" ("\u2026") while the fast version transforms it into a
             # space (and thus into an empty list).

             for unicode_seq in line_break_unicodes:
               UpperCamelCase_: Optional[Any]   				=    tokenizer_s.tokenize(_lowerCamelCase							)
               UpperCamelCase_: str   				=    tokenizer_r.tokenize(_lowerCamelCase							)

               self.assertListEqual(_lowerCamelCase  ,      _lowerCamelCase							)





       def       _a   ( self							):
         # Test which aims to verify that the offsets are well adapted to the argument `add_prefix_space`
         for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
           with self.subTest(f'''{tokenizer.__class__.__name__} ({pretrained_name})'''							):
             UpperCamelCase_: str   				=    'hello'  # `hello` is a token in the vocabulary of `pretrained_name`
             UpperCamelCase_: str   				=    f'''{text_of_1_token} {text_of_1_token}'''

             UpperCamelCase_: Optional[Any]   				=    self.rust_tokenizer_class.from_pretrained(
                 _lowerCamelCase  ,      use_fast=_lowerCamelCase  ,      )
             UpperCamelCase_: int   				=    tokenizer_r(_lowerCamelCase  ,      return_offsets_mapping=_lowerCamelCase  ,      add_special_tokens=_lowerCamelCase							)
             self.assertEqual(encoding.offset_mapping[0]  ,      (0, len(_lowerCamelCase							))							)
             self.assertEqual(
                 encoding.offset_mapping[1]  ,      (len(_lowerCamelCase							) + 1, len(_lowerCamelCase							) + 1 + len(_lowerCamelCase							))  ,      )

             UpperCamelCase_: List[str]   				=    f''' {text}'''

             UpperCamelCase_: str   				=    self.rust_tokenizer_class.from_pretrained(
                 _lowerCamelCase  ,      use_fast=_lowerCamelCase  ,      )
             UpperCamelCase_: Dict   				=    tokenizer_r(_lowerCamelCase  ,      return_offsets_mapping=_lowerCamelCase  ,      add_special_tokens=_lowerCamelCase							)
             self.assertEqual(encoding.offset_mapping[0]  ,      (1, 1 + len(_lowerCamelCase							))							)
             self.assertEqual(
                 encoding.offset_mapping[1]  ,      (1 + len(_lowerCamelCase							) + 1, 1 + len(_lowerCamelCase							) + 1 + len(_lowerCamelCase							))  ,      )





       def       _a   ( self							):
         # Test related to the breaking change introduced in transformers v4.17.0
         # We need to check that an error in raised when the user try to load a previous version of the tokenizer.
         with self.assertRaises(_lowerCamelCase							) as context:
           self.rust_tokenizer_class.from_pretrained('robot-test/old-clip-tokenizer'							)

         self.assertTrue(
             context.exception.args[0].startswith(
                 'The `backend_tokenizer` provided does not match the expected format.'							)							)





       @require_ftfy
       def       _a   ( self							):
         super().test_tokenization_python_rust_equals()





       def       _a   ( self							):
         # CLIP always lower cases letters
         pass