'''simple docstring'''

from cva import destroyAllWindows, imread, imshow, waitKey







def      UpperCamelCase_						(					snake_case_       :       Optional[Any]      )					->     Union[str, Any]:






 '''simple docstring'''

 __lowerCAmelCase							,       __lowerCAmelCase											=						img.shape[0], img.shape[1]

 # converting each pixel's color to its negative
 for i in range(lowercase__      ):
  for j in range(lowercase__      ):
   __lowerCAmelCase											=						[2_55, 2_55, 2_55] - img[i][j]

 return img


if __name__ == "__main__":
 # read original image
 _A			:      Union[str, Any]					      =				imread('''image_data/lena.jpg''', 1)

 # convert to its negative
 _A			:      Optional[int]					      =				convert_to_negative(img)

 # show result image
 imshow('''negative of original image''', img)
 waitKey(0)
 destroyAllWindows()










def        _lowerCamelCase(	lowercase__   , lowercase__   , lowercase__   , lowercase__	)						->	Union[str, Any]:

		'''simple docstring'''







		__lowercase=			[False] * len(lowercase__	)
		__lowercase=			[]
		queue.append(lowercase__	)
		__lowercase=			True

		while queue:
				__lowercase=			queue.pop(0	)
				for ind in range(len(graph[u]	)	):
						if visited[ind] is False and graph[u][ind] > 0:
								queue.append(lowercase__	)
								__lowercase=			True
								__lowercase=			u

		return visited[t]







def        _lowerCamelCase(	lowercase__   , lowercase__   , lowercase__	)						->	int:

		'''simple docstring'''







		__lowercase=			[-1] * (len(lowercase__	))
		__lowercase=			0
		while bfs(lowercase__   , lowercase__   , lowercase__   , lowercase__	):
				__lowercase=			float('Inf'	)
				__lowercase=			sink

				while s != source:
						# Find the minimum value in select path
						__lowercase=			min(lowercase__   , graph[parent[s]][s]	)
						__lowercase=			parent[s]

				max_flow += path_flow
				__lowercase=			sink

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


lowerCAmelCase           =		[
    [0, 1_6, 1_3, 0, 0, 0],
    [0, 0, 1_0, 1_2, 0, 0],
    [0, 4, 0, 0, 1_4, 0],
    [0, 0, 9, 0, 0, 2_0],
    [0, 0, 0, 7, 0, 4],
    [0, 0, 0, 0, 0, 0],
]

lowerCAmelCase       ,lowerCAmelCase           =		0, 5
print(ford_fulkerson(graph, source, sink))






