



'''simple docstring'''






from typing import List

from .keymap import KEYMAP, get_character


def 				snake_case_  (      _lowerCAmelCase						:		str						)   ->     Dict:




							def decorator(_lowerCAmelCase						:		Any						):
														UpperCAmelCase				: List[Any]											=	getattr(_A     ,   '''handle_key'''     ,   []						)
														handle += [key]
														setattr(_A     ,   '''handle_key'''     ,   _A						)
														return func

							return decorator


def 				snake_case_  (      *_lowerCAmelCase						:		List[str]						)   ->     Union[str, Any]:




							def decorator(_lowerCAmelCase						:		Union[str, Any]						):
														UpperCAmelCase				: List[str]											=	getattr(_A     ,   '''handle_key'''     ,   []						)
														handle += keys
														setattr(_A     ,   '''handle_key'''     ,   _A						)
														return func

							return decorator

class        SCREAMING_SNAKE_CASE(							lowercase__    ):







	"""simple docstring"""






	def __new__(		cls    :  Tuple	,    __snake_case    :  List[str]	,    __snake_case    :  Optional[Any]	,    __snake_case    :  Optional[int]	)    ->	Optional[int]:
								UpperCAmelCase				: List[Any]											=	super().__new__(cls	,    __lowerCamelCase	,    __lowerCamelCase	,    __lowerCamelCase	)
								if not hasattr(__lowerCamelCase	,    '''key_handler'''	):
															setattr(__lowerCamelCase	,    '''key_handler'''	,    {}	)
								setattr(__lowerCamelCase	,    '''handle_input'''	,    KeyHandler.handle_input	)

								for value in attrs.values():
															UpperCAmelCase				: Union[str, Any]											=	getattr(__lowerCamelCase	,    '''handle_key'''	,    []	)
															for key in handled_keys:
																						UpperCAmelCase				: str											=	value
								return new_cls







	@staticmethod
	def   A			(		cls    :  Optional[int]	)    ->	List[Any]:
								UpperCAmelCase				: List[str]											=	get_character()
								if char != KEYMAP["undefined"]:
															UpperCAmelCase				: int											=	ord(__lowerCamelCase	)
								UpperCAmelCase				: int											=	cls.key_handler.get(__lowerCamelCase	)
								if handler:
															UpperCAmelCase				: Union[str, Any]											=	char
															return handler(cls	)
								else:
															return None


def 				snake_case_  (      cls						:		int						)   ->     str:
							return KeyHandler(cls.__name__     ,   cls.__bases__     ,   cls.__dict__.copy()						)










'''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))





