
from __future__ import annotations






def    lowerCamelCase__				(				__lowerCAmelCase  :  tuple[int, int]    ,							__lowerCAmelCase  :  int				):




			"""simple docstring"""


			lowerCAmelCase_	,  lowerCAmelCase_						=	position
			lowerCAmelCase_						=	[
			    (y + 1, x + 2),
			    (y - 1, x + 2),
			    (y + 1, x - 2),
			    (y - 1, x - 2),
			    (y + 2, x + 1),
			    (y + 2, x - 1),
			    (y - 2, x + 1),
			    (y - 2, x - 1),
			]
			lowerCAmelCase_						=	[]

			for position in positions:
						lowerCAmelCase_	,  lowerCAmelCase_						=	position
						if 0 <= y_test < n and 0 <= x_test < n:
									permissible_positions.append(__lowerCAmelCase				)

			return permissible_positions






def    lowerCamelCase__				(				__lowerCAmelCase  :  list[list[int]]				):




			"""simple docstring"""


			return not any(elem == 0 for row in board for elem in row				)






def    lowerCamelCase__				(				__lowerCAmelCase  :  list[list[int]]    ,							__lowerCAmelCase  :  tuple[int, int]    ,							__lowerCAmelCase  :  int				):




			"""simple docstring"""


			if is_complete(__lowerCAmelCase				):
						return True

			for position in get_valid_pos(__lowerCAmelCase    ,							len(__lowerCAmelCase				)				):
						lowerCAmelCase_	,  lowerCAmelCase_						=	position

						if board[y][x] == 0:
									lowerCAmelCase_						=	curr + 1
									if open_knight_tour_helper(__lowerCAmelCase    ,							__lowerCAmelCase    ,							curr + 1				):
												return True
									lowerCAmelCase_						=	0

			return False






def    lowerCamelCase__				(				__lowerCAmelCase  :  int				):




			"""simple docstring"""


			lowerCAmelCase_						=	[[0 for i in range(__lowerCAmelCase				)] for j in range(__lowerCAmelCase				)]

			for i in range(__lowerCAmelCase				):
						for j in range(__lowerCAmelCase				):
									lowerCAmelCase_						=	1
									if open_knight_tour_helper(__lowerCAmelCase    ,							(i, j)    ,							1				):
												return board
									lowerCAmelCase_						=	0

			lowerCAmelCase_						=	F"""Open Kight Tour cannot be performed on a board of size {n}"""
			raise ValueError(__lowerCAmelCase				)


if __name__ == "__main__":
			import doctest

			doctest.testmod()





import os
import re
import shutil
import sys
import tempfile
import unittest

import black


_A   =     os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, "utils"))

import check_copies  # noqa: E402


# This is the reference code that will be used in the tests.
# If DDPMSchedulerOutput is changed in scheduling_ddpm.py, this code needs to be manually updated.
_A   =     "    \"\"\"\n    Output class for the scheduler's step function output.\n\n    Args:\n        prev_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):\n            Computed sample (x_{t-1}) of previous timestep. `prev_sample` should be used as next model input in the\n            denoising loop.\n        pred_original_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):\n            The predicted denoised sample (x_{0}) based on the model output from the current timestep.\n            `pred_original_sample` can be used to preview progress or for guidance.\n    \"\"\"\n\n    prev_sample: torch.FloatTensor\n    pred_original_sample: Optional[torch.FloatTensor] = None\n"





class 	_lowerCAmelCase					(	unittest.TestCase       ):




				def      __a						(					self     )				->      str:
							lowerCAmelCase_						=	tempfile.mkdtemp()
							os.makedirs(os.path.join(self.diffusers_dir				,				"schedulers/"     )     )
							lowerCAmelCase_						=	self.diffusers_dir
							shutil.copy(
							    os.path.join(_UpperCamelCase				,				"src/diffusers/schedulers/scheduling_ddpm.py"     )				,				os.path.join(self.diffusers_dir				,				"schedulers/scheduling_ddpm.py"     )				,				)




				def      __a						(					self     )				->      Optional[int]:
							lowerCAmelCase_						=	"src/diffusers"
							shutil.rmtree(self.diffusers_dir     )




				def      __a						(					self				,				_UpperCamelCase				,				_UpperCamelCase				,				_UpperCamelCase				,				_UpperCamelCase=None     )				->      Optional[Any]:
							lowerCAmelCase_						=	comment + f"""\nclass {class_name}(nn.Module):\n""" + class_code
							if overwrite_result is not None:
										lowerCAmelCase_						=	comment + f"""\nclass {class_name}(nn.Module):\n""" + overwrite_result
							lowerCAmelCase_						=	black.Mode(target_versions={black.TargetVersion.PYaa}				,				line_length=119     )
							lowerCAmelCase_						=	black.format_str(_UpperCamelCase				,				mode=_UpperCamelCase     )
							lowerCAmelCase_						=	os.path.join(self.diffusers_dir				,				"new_code.py"     )
							with open(_UpperCamelCase				,				"w"				,				newline="\n"     ) as f:
										f.write(_UpperCamelCase     )
							if overwrite_result is None:
										self.assertTrue(len(check_copies.is_copy_consistent(_UpperCamelCase     )     ) == 0     )
							else:
										check_copies.is_copy_consistent(f.name				,				overwrite=_UpperCamelCase     )
										with open(_UpperCamelCase				,				"r"     ) as f:
													self.assertTrue(f.read()				,				_UpperCamelCase     )




				def      __a						(					self     )				->      Optional[Any]:
							lowerCAmelCase_						=	check_copies.find_code_in_diffusers("schedulers.scheduling_ddpm.DDPMSchedulerOutput"     )
							self.assertEqual(_UpperCamelCase				,				_UpperCamelCase     )




				def      __a						(					self     )				->      Tuple:
							# Base copy consistency
							self.check_copy_consistency(
							    "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput"				,				"DDPMSchedulerOutput"				,				REFERENCE_CODE + "\n"				,				)

							# With no empty line at the end
							self.check_copy_consistency(
							    "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput"				,				"DDPMSchedulerOutput"				,				_UpperCamelCase				,				)

							# Copy consistency with rename
							self.check_copy_consistency(
							    "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test"				,				"TestSchedulerOutput"				,				re.sub("DDPM"				,				"Test"				,				_UpperCamelCase     )				,				)

							# Copy consistency with a really long name
							lowerCAmelCase_						=	"TestClassWithAReallyLongNameBecauseSomePeopleLikeThatForSomeReason"
							self.check_copy_consistency(
							    f"""# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->{long_class_name}"""				,				f"""{long_class_name}SchedulerOutput"""				,				re.sub("Bert"				,				_UpperCamelCase				,				_UpperCamelCase     )				,				)

							# Copy consistency with overwrite
							self.check_copy_consistency(
							    "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test"				,				"TestSchedulerOutput"				,				_UpperCamelCase				,				overwrite_result=re.sub("DDPM"				,				"Test"				,				_UpperCamelCase     )				,				)



