
"""simple docstring"""






from __future__ import annotations






def 						_snake_case       (	lowercase__		:  tuple[int, int]      ,     lowercase__		:  int		)  ->				list[tuple[int, int]]:


			'''simple docstring'''





			lowerCAmelCase_     ,       lowerCAmelCase_    :int			     =  position
			lowerCAmelCase_    :List[str]			     =  [
			    (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_    :Optional[int]			     =  []

			for position in positions:
						lowerCAmelCase_     ,       lowerCAmelCase_    :List[Any]			     =  position
						if 0 <= y_test < n and 0 <= x_test < n:
									permissible_positions.append(lowercase__		)

			return permissible_positions






def 						_snake_case       (	lowercase__		:  list[list[int]]		)  ->				bool:


			'''simple docstring'''





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






def 						_snake_case       (	lowercase__		:  list[list[int]]      ,     lowercase__		:  tuple[int, int]      ,     lowercase__		:  int		)  ->				bool:


			'''simple docstring'''





			if is_complete(lowercase__		):
						return True

			for position in get_valid_pos(lowercase__      ,     len(lowercase__		)		):
						lowerCAmelCase_     ,       lowerCAmelCase_    :int			     =  position

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

			return False






def 						_snake_case       (	lowercase__		:  int		)  ->				list[list[int]]:


			'''simple docstring'''





			lowerCAmelCase_    :List[Any]			     =  [[0 for i in range(lowercase__		)] for j in range(lowercase__		)]

			for i in range(lowercase__		):
						for j in range(lowercase__		):
									lowerCAmelCase_    :List[str]			     =  1
									if open_knight_tour_helper(lowercase__      ,     (i, j)      ,     1		):
												return board
									lowerCAmelCase_    :Dict			     =  0

			lowerCAmelCase_    :int			     =  f"""Open Kight Tour cannot be performed on a board of size {n}"""
			raise ValueError(lowercase__		)


if __name__ == "__main__":
				import doctest

				doctest.testmod()











import os

try:
 from .build_directory_md import good_file_paths
except ImportError:
 from build_directory_md import good_file_paths  # type: ignore

__snake_case						:Optional[Any]      		=     list(good_file_paths())
assert filepaths, "good_file_paths() failed!"

__snake_case						:Any      		=     [file for file in filepaths if file != file.lower()]
if upper_files:
 print(f'{len(upper_files)} files contain uppercase characters:')
 print('''\n'''.join(upper_files) + '''\n''')

__snake_case						:Tuple      		=     [file for file in filepaths if ''' ''' in file]
if space_files:
 print(f'{len(space_files)} files contain space characters:')
 print('''\n'''.join(space_files) + '''\n''')

__snake_case						:Optional[int]      		=     [file for file in filepaths if '''-''' in file]
if hyphen_files:
 print(f'{len(hyphen_files)} files contain hyphen characters:')
 print('''\n'''.join(hyphen_files) + '''\n''')

__snake_case						:Optional[int]      		=     [file for file in filepaths if os.sep not in file]
if nodir_files:
 print(f'{len(nodir_files)} files are not in a directory:')
 print('''\n'''.join(nodir_files) + '''\n''')

__snake_case						:int      		=     len(upper_files + space_files + hyphen_files + nodir_files)
if bad_files:
 import sys

 sys.exit(bad_files)





