
"""simple docstring"""




from __future__ import annotations

import queue





class  snake_case     :

							def __init__(self       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									SCREAMING_SNAKE_CASE_						 = data
									SCREAMING_SNAKE_CASE_						 = None
									SCREAMING_SNAKE_CASE_						 = None





def        _lowerCamelCase ( ):
		print('''\n********Press N to stop entering at any point of time********\n'''    )
		SCREAMING_SNAKE_CASE_						 = input('''Enter the value of the root node: '''    ).strip().lower()
		SCREAMING_SNAKE_CASE_						 = queue.Queue()
		SCREAMING_SNAKE_CASE_						 = TreeNode(int(__a    )    )
		q.put(__a    )
		while not q.empty():
				SCREAMING_SNAKE_CASE_						 = q.get()
				SCREAMING_SNAKE_CASE_						 = F'Enter the left node of {node_found.data}: '
				SCREAMING_SNAKE_CASE_						 = input(__a    ).strip().lower() or '''n'''
				if check == "n":
						return tree_node
				SCREAMING_SNAKE_CASE_						 = TreeNode(int(__a    )    )
				SCREAMING_SNAKE_CASE_						 = left_node
				q.put(__a    )
				SCREAMING_SNAKE_CASE_						 = F'Enter the right node of {node_found.data}: '
				SCREAMING_SNAKE_CASE_						 = input(__a    ).strip().lower() or '''n'''
				if check == "n":
						return tree_node
				SCREAMING_SNAKE_CASE_						 = TreeNode(int(__a    )    )
				SCREAMING_SNAKE_CASE_						 = right_node
				q.put(__a    )
		raise



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		print(node.data,							end=''','''    )
		pre_order(node.left    )
		pre_order(node.right    )



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		in_order(node.left    )
		print(node.data,							end=''','''    )
		in_order(node.right    )



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		post_order(node.left    )
		post_order(node.right    )
		print(node.data,							end=''','''    )



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		SCREAMING_SNAKE_CASE_						 = queue.Queue()
		q.put(__a    )
		while not q.empty():
				SCREAMING_SNAKE_CASE_						 = q.get()
				print(node_dequeued.data,							end=''','''    )
				if node_dequeued.left:
						q.put(node_dequeued.left    )
				if node_dequeued.right:
						q.put(node_dequeued.right    )



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		SCREAMING_SNAKE_CASE_						 = queue.Queue()
		q.put(__a    )
		while not q.empty():
				SCREAMING_SNAKE_CASE_						 = []
				while not q.empty():
						SCREAMING_SNAKE_CASE_						 = q.get()
						print(node_dequeued.data,							end=''','''    )
						if node_dequeued.left:
								list_.append(node_dequeued.left    )
						if node_dequeued.right:
								list_.append(node_dequeued.right    )
				print()
				for node in list_:
						q.put(__a    )



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		SCREAMING_SNAKE_CASE_						 = []
		SCREAMING_SNAKE_CASE_						 = node
		while n or stack:
				while n:  # start from root node, find its left child
						print(n.data,							end=''','''    )
						stack.append(__a    )
						SCREAMING_SNAKE_CASE_						 = n.left
				# end of while means current node doesn't have left child
				SCREAMING_SNAKE_CASE_						 = stack.pop()
				# start to traverse its right child
				SCREAMING_SNAKE_CASE_						 = n.right



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		SCREAMING_SNAKE_CASE_						 = []
		SCREAMING_SNAKE_CASE_						 = node
		while n or stack:
				while n:
						stack.append(__a    )
						SCREAMING_SNAKE_CASE_						 = n.left
				SCREAMING_SNAKE_CASE_						 = stack.pop()
				print(n.data,							end=''','''    )
				SCREAMING_SNAKE_CASE_						 = n.right



def        _lowerCamelCase ( __a    ):
		if not isinstance(__a,							__a    ) or not node:
				return
		SCREAMING_SNAKE_CASE_ ,SCREAMING_SNAKE_CASE_						 = [], []
		SCREAMING_SNAKE_CASE_						 = node
		stacka.append(__a    )
		while stacka:  # to find the reversed order of post order, store it in stack2
				SCREAMING_SNAKE_CASE_						 = stacka.pop()
				if n.left:
						stacka.append(n.left    )
				if n.right:
						stacka.append(n.right    )
				stacka.append(__a    )
		while stacka:  # pop up from stack2 will be the post order
				print(stacka.pop().data,							end=''','''    )



def        _lowerCamelCase ( __a = "",							__a=50,							__a="*"    ):
		if not s:
				return "\n" + width * char
		SCREAMING_SNAKE_CASE_ ,SCREAMING_SNAKE_CASE_						 = divmod(width - len(__a    ) - 2,							2    )
		return F'{left * char} {s} {(left + extra) * char}'


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						print(prompt('Binary Tree Traversals'))

						lowerCAmelCase__							=				build_tree()
						print(prompt('Pre Order Traversal'))
						pre_order(node)
						print(prompt() + '\n')

						print(prompt('In Order Traversal'))
						in_order(node)
						print(prompt() + '\n')

						print(prompt('Post Order Traversal'))
						post_order(node)
						print(prompt() + '\n')

						print(prompt('Level Order Traversal'))
						level_order(node)
						print(prompt() + '\n')

						print(prompt('Actual Level Order Traversal'))
						level_order_actual(node)
						print('*' * 50 + '\n')

						print(prompt('Pre Order Traversal - Iteration Version'))
						pre_order_iter(node)
						print(prompt() + '\n')

						print(prompt('In Order Traversal - Iteration Version'))
						in_order_iter(node)
						print(prompt() + '\n')

						print(prompt('Post Order Traversal - Iteration Version'))
						post_order_iter(node)
						print(prompt())

"""simple docstring"""




import cva
import numpy as np





class  snake_case     :

							def __init__(self       ,       SCREAMING_SNAKE_CASE_       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									if k in (0.04, 0.06):
											SCREAMING_SNAKE_CASE_						 = k
											SCREAMING_SNAKE_CASE_						 = window_size
									else:
											raise ValueError('''invalid k value'''    )

							def __str__(self    ):

									"""simple docstring"""







									return str(self.k    )







							def _lowercase					(self       ,       SCREAMING_SNAKE_CASE_    ):

									"""simple docstring"""







									SCREAMING_SNAKE_CASE_						 = cva.imread(SCREAMING_SNAKE_CASE_       ,       0    )
									SCREAMING_SNAKE_CASE_ ,SCREAMING_SNAKE_CASE_						 = img.shape
									SCREAMING_SNAKE_CASE_						 = []
									SCREAMING_SNAKE_CASE_						 = img.copy()
									SCREAMING_SNAKE_CASE_						 = cva.cvtColor(SCREAMING_SNAKE_CASE_       ,       cva.COLOR_GRAY2RGB    )
									SCREAMING_SNAKE_CASE_ ,SCREAMING_SNAKE_CASE_						 = np.gradient(SCREAMING_SNAKE_CASE_    )
									SCREAMING_SNAKE_CASE_						 = dx**2
									SCREAMING_SNAKE_CASE_						 = dy**2
									SCREAMING_SNAKE_CASE_						 = dx * dy
									SCREAMING_SNAKE_CASE_						 = 0.04
									SCREAMING_SNAKE_CASE_						 = self.window_size // 2
									for y in range(SCREAMING_SNAKE_CASE_       ,       h - offset    ):
											for x in range(SCREAMING_SNAKE_CASE_       ,       w - offset    ):
													SCREAMING_SNAKE_CASE_						 = ixx[
													    y - offset : y + offset + 1, x - offset : x + offset + 1
													].sum()
													SCREAMING_SNAKE_CASE_						 = iyy[
													    y - offset : y + offset + 1, x - offset : x + offset + 1
													].sum()
													SCREAMING_SNAKE_CASE_						 = ixy[
													    y - offset : y + offset + 1, x - offset : x + offset + 1
													].sum()

													SCREAMING_SNAKE_CASE_						 = (wxx * wyy) - (wxy**2)
													SCREAMING_SNAKE_CASE_						 = wxx + wyy
													SCREAMING_SNAKE_CASE_						 = det - k * (trace**2)
													# Can change the value
													if r > 0.5:
															corner_list.append([x, y, r]    )
															color_img.itemset((y, x, 0)       ,       0    )
															color_img.itemset((y, x, 1)       ,       0    )
															color_img.itemset((y, x, 2)       ,       2_55    )
									return color_img, corner_list


if __name__ == "__main__":
						lowerCAmelCase__							=				HarrisCorner(0.04, 3)
						lowerCAmelCase__,  lowerCAmelCase__							=				edge_detect.detect('path_to_image')
						cva.imwrite('detect.png', color_img)