



'''simple docstring'''






# Lint as: python3
import itertools
import os
import re


UpperCamelCase__:     List[str]										=    re.compile(r"([A-Z]+)([A-Z][a-z])")
UpperCamelCase__:     str										=    re.compile(r"([a-z\d])([A-Z])")

UpperCamelCase__:     Tuple										=    re.compile(r"(?<!_)_(?!_)")
UpperCamelCase__:     Union[str, Any]										=    re.compile(r"(_{2,})")

UpperCamelCase__:     List[Any]										=    r"^\w+(\.\w+)*$"

UpperCamelCase__:     List[str]										=    r"<>:/\|?*"


def 				snake_case_  (      _lowerCAmelCase						:		List[str]						)   ->     str:
							UpperCAmelCase				: List[Any]											=	_uppercase_uppercase_re.sub(R'''\1_\2'''     ,   _lowerCAmelCase						)
							UpperCAmelCase				: Optional[Any]											=	_lowercase_uppercase_re.sub(R'''\1_\2'''     ,   _lowerCAmelCase						)
							return name.lower()


def 				snake_case_  (      _lowerCAmelCase						:		List[str]						)   ->     Dict:
							UpperCAmelCase				: Optional[Any]											=	_single_underscore_re.split(_lowerCAmelCase						)
							UpperCAmelCase				: Any											=	[_multiple_underscores_re.split(_lowerCAmelCase						) for n in name]
							return "".join(n.capitalize() for n in itertools.chain.from_iterable(_lowerCAmelCase						) if n != ''''''						)


def 				snake_case_  (      _lowerCAmelCase						:		int						)   ->     Optional[Any]:
							if os.path.basename(_lowerCAmelCase						) != name:
														raise ValueError(f"""Should be a dataset name, not a path: {name}"""						)
							return camelcase_to_snakecase(_lowerCAmelCase						)


def 				snake_case_  (      _lowerCAmelCase						:		Any     ,   _lowerCAmelCase						:		str						)   ->     Optional[Any]:
							if os.path.basename(_lowerCAmelCase						) != name:
														raise ValueError(f"""Should be a dataset name, not a path: {name}"""						)
							if not re.match(_split_re     ,   _lowerCAmelCase						):
														raise ValueError(f"""Split name should match '{_split_re}'' but got '{split}'."""						)
							return f"""{filename_prefix_for_name(_lowerCAmelCase						)}-{split}"""


def 				snake_case_  (      _lowerCAmelCase						:		Union[str, Any]     ,   _lowerCAmelCase						:		Optional[Any]     ,   _lowerCAmelCase						:		Dict     ,   _lowerCAmelCase						:		str=None						)   ->     Dict:
							UpperCAmelCase				: List[Any]											=	filename_prefix_for_split(_lowerCAmelCase     ,   _lowerCAmelCase						)
							if filetype_suffix:
														prefix += f""".{filetype_suffix}"""
							UpperCAmelCase				: str											=	os.path.join(_lowerCAmelCase     ,   _lowerCAmelCase						)
							return f"""{filepath}*"""




def 				snake_case_  (      _lowerCAmelCase						:		Dict     ,   _lowerCAmelCase						:		int     ,   _lowerCAmelCase						:		Optional[int]     ,   _lowerCAmelCase						:		List[Any]=None     ,   _lowerCAmelCase						:		Dict=None						)   ->     int:
							UpperCAmelCase				: List[Any]											=	filename_prefix_for_split(_lowerCAmelCase     ,   _lowerCAmelCase						)
							UpperCAmelCase				: str											=	os.path.join(_lowerCAmelCase     ,   _lowerCAmelCase						)

							if shard_lengths:
														UpperCAmelCase				: Optional[Any]											=	len(_lowerCAmelCase						)
														UpperCAmelCase				: Dict											=	[f"""{prefix}-{shard_id:05d}-of-{num_shards:05d}""" for shard_id in range(_lowerCAmelCase						)]
														if filetype_suffix:
																					UpperCAmelCase				: str											=	[filename + f""".{filetype_suffix}""" for filename in filenames]
														return filenames
							else:
														UpperCAmelCase				: Any											=	prefix
														if filetype_suffix:
																					filename += f""".{filetype_suffix}"""
														return [filename]










'''simple docstring'''






def 				snake_case_  (      _lowerCAmelCase						:		Tuple     ,   _lowerCAmelCase						:		Tuple     ,   _lowerCAmelCase						:		int     ,   _lowerCAmelCase						:		Tuple						)   ->     Union[str, Any]:
							# Return True if there is node that has not iterated.
							UpperCAmelCase				: Optional[Any]											=	[False] * len(_lowerCAmelCase						)
							UpperCAmelCase				: Dict											=	[]
							queue.append(_lowerCAmelCase						)
							UpperCAmelCase				: str											=	True

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

							return visited[t]


def 				snake_case_  (      _lowerCAmelCase						:		Union[str, Any]     ,   _lowerCAmelCase						:		List[str]     ,   _lowerCAmelCase						:		List[str]						)   ->     Any:
							# This array is filled by BFS and to store path
							UpperCAmelCase				: Dict											=	[-1] * (len(_lowerCAmelCase						))
							UpperCAmelCase				: Any											=	0
							while bfs(_lowerCAmelCase     ,   _lowerCAmelCase     ,   _lowerCAmelCase     ,   _lowerCAmelCase						):
														UpperCAmelCase				: List[str]											=	float('''Inf'''						)
														UpperCAmelCase				: str											=	sink

														while s != source:
																					# Find the minimum value in select path
																					UpperCAmelCase				: int											=	min(_lowerCAmelCase     ,   graph[parent[s]][s]						)
																					UpperCAmelCase				: Tuple											=	parent[s]

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

														while v != source:
																					UpperCAmelCase				: Dict											=	parent[v]
																					graph[u][v] -= path_flow
																					graph[v][u] += path_flow
																					UpperCAmelCase				: Dict											=	parent[v]
							return max_flow


UpperCamelCase__:     Tuple										=    [
    [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],
]

UpperCamelCase__			,      UpperCamelCase__:     int										=    0, 5




print(ford_fulkerson(graph, source, sink))





