



from __future__ import annotations

from collections import defaultdict
from dataclasses import dataclass





@dataclass
class  __lowerCAmelCase			:
				__lowerCamelCase			=    42
				__lowerCamelCase			=    None
				__lowerCamelCase			=    None


def 		_UpperCAmelCase    (				):





					"""simple docstring"""

					return TreeNode(3     ,						TreeNode(9      )     ,						TreeNode(20     ,						TreeNode(15      )     ,						TreeNode(7      )      )      )


def 		_UpperCAmelCase    (				snake_case      ):





					"""simple docstring"""

					def depth_first_search(
					    snake_case     ,						snake_case     ,						snake_case      ) -> None:
										if not root:
															return

										if depth == len(snake_case      ):
															right_view.append(root.val      )

										depth_first_search(root.right     ,						depth + 1     ,						snake_case      )
										depth_first_search(root.left     ,						depth + 1     ,						snake_case      )

					_lowerCAmelCase      =   []
					if not root:
										return right_view

					depth_first_search(snake_case     ,						0     ,						snake_case      )
					return right_view


def 		_UpperCAmelCase    (				snake_case      ):





					"""simple docstring"""

					def depth_first_search(
					    snake_case     ,						snake_case     ,						snake_case      ) -> None:
										if not root:
															return

										if depth == len(snake_case      ):
															left_view.append(root.val      )

										depth_first_search(root.left     ,						depth + 1     ,						snake_case      )
										depth_first_search(root.right     ,						depth + 1     ,						snake_case      )

					_lowerCAmelCase      =   []
					if not root:
										return left_view

					depth_first_search(snake_case     ,						0     ,						snake_case      )
					return left_view


def 		_UpperCAmelCase    (				snake_case      ):





					"""simple docstring"""

					def breadth_first_search(snake_case     ,						snake_case      ) -> None:
										_lowerCAmelCase      =   [(root, 0)]
										_lowerCAmelCase      =   defaultdict(snake_case      )

										while queue:
															_lowerCAmelCase      =   queue.pop(0      )
															_lowerCAmelCase     ,     _lowerCAmelCase      =   first

															lookup[hd].append(node.val      )

															if node.left:
																				queue.append((node.left, hd - 1)      )
															if node.right:
																				queue.append((node.right, hd + 1)      )

										for pair in sorted(lookup.items()     ,						key=lambda snake_case      : each[0]      ):
															top_view.append(pair[1][0]      )

					_lowerCAmelCase      =   []
					if not root:
										return top_view

					breadth_first_search(snake_case     ,						snake_case      )
					return top_view


def 		_UpperCAmelCase    (				snake_case      ):





					"""simple docstring"""

					from collections import defaultdict

					def breadth_first_search(snake_case     ,						snake_case      ) -> None:
										_lowerCAmelCase      =   [(root, 0)]
										_lowerCAmelCase      =   defaultdict(snake_case      )

										while queue:
															_lowerCAmelCase      =   queue.pop(0      )
															_lowerCAmelCase     ,     _lowerCAmelCase      =   first
															lookup[hd].append(node.val      )

															if node.left:
																				queue.append((node.left, hd - 1)      )
															if node.right:
																				queue.append((node.right, hd + 1)      )

										for pair in sorted(lookup.items()     ,						key=lambda snake_case      : each[0]      ):
															bottom_view.append(pair[1][-1]      )

					_lowerCAmelCase      =   []
					if not root:
										return bottom_view

					breadth_first_search(snake_case     ,						snake_case      )
					return bottom_view


if __name__ == "__main__":
	import doctest

	doctest.testmod()








import unittest
from pathlib import Path

from transformers import is_vision_available, load_tool
from transformers.testing_utils import get_tests_dir

from .test_tools_common import ToolTesterMixin


if is_vision_available():
	from PIL import Image





class  __lowerCAmelCase			(					unittest.TestCase	,						lowerCamelCase__	):




				def 							snake_case       (							self		):



									"""simple docstring"""





									_lowerCAmelCase      =   load_tool("""image-question-answering"""		)
									self.tool.setup()
									_lowerCAmelCase      =   load_tool("""image-question-answering"""						,    remote=_snake_case		)




				def 							snake_case       (							self		):



									"""simple docstring"""





									_lowerCAmelCase      =   Image.open(Path(get_tests_dir("""fixtures/tests_samples/COCO"""		)		) / """000000039769.png"""		)
									_lowerCAmelCase      =   self.tool(_snake_case						,    """How many cats are sleeping on the couch?"""		)
									self.assertEqual(_snake_case						,    """2"""		)




				def 							snake_case       (							self		):



									"""simple docstring"""





									_lowerCAmelCase      =   Image.open(Path(get_tests_dir("""fixtures/tests_samples/COCO"""		)		) / """000000039769.png"""		)
									_lowerCAmelCase      =   self.remote_tool(_snake_case						,    """How many cats are sleeping on the couch?"""		)
									self.assertEqual(_snake_case						,    """2"""		)




				def 							snake_case       (							self		):



									"""simple docstring"""





									_lowerCAmelCase      =   Image.open(Path(get_tests_dir("""fixtures/tests_samples/COCO"""		)		) / """000000039769.png"""		)
									_lowerCAmelCase      =   self.tool(image=_snake_case						,    question="""How many cats are sleeping on the couch?"""		)
									self.assertEqual(_snake_case						,    """2"""		)




				def 							snake_case       (							self		):



									"""simple docstring"""





									_lowerCAmelCase      =   Image.open(Path(get_tests_dir("""fixtures/tests_samples/COCO"""		)		) / """000000039769.png"""		)
									_lowerCAmelCase      =   self.remote_tool(image=_snake_case						,    question="""How many cats are sleeping on the couch?"""		)
									self.assertEqual(_snake_case						,    """2"""		)



