






'''simple docstring'''







import unittest

from knapsack import knapsack as k





class 	SCREAMING_SNAKE_CASE					(					unittest.TestCase       ):






			def 			SCREAMING_SNAKE_CASE      ( self      :			List[Any]					)			->			Tuple:
							a_		:  Tuple											=      0
							a_		:  Tuple											=      [0]
							a_		:  List[Any]											=      [0]
							a_		:  Optional[Any]											=      len(__SCREAMING_SNAKE_CASE					)
							self.assertEqual(k.knapsack(__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE					)  ,						0					)

							a_		:  str											=      [60]
							a_		:  Optional[int]											=      [10]
							a_		:  Any											=      len(__SCREAMING_SNAKE_CASE					)
							self.assertEqual(k.knapsack(__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE					)  ,						0					)






			def 			SCREAMING_SNAKE_CASE      ( self      :			Dict					)			->			List[str]:
							a_		:  Optional[Any]											=      3
							a_		:  str											=      [1, 2, 3]
							a_		:  Optional[int]											=      [3, 2, 1]
							a_		:  List[Any]											=      len(__SCREAMING_SNAKE_CASE					)
							self.assertEqual(k.knapsack(__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE					)  ,						5					)







			def 			SCREAMING_SNAKE_CASE      ( self      :			Dict					)			->			List[str]:
							a_		:  Any											=      50
							a_		:  Dict											=      [60, 100, 120]
							a_		:  int											=      [10, 20, 30]
							a_		:  Dict											=      len(__SCREAMING_SNAKE_CASE					)
							self.assertEqual(k.knapsack(__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE  ,						__SCREAMING_SNAKE_CASE					)  ,						220					)


if __name__ == "__main__":
		unittest.main()












'''simple docstring'''







from __future__ import annotations





def 		_UpperCAmelCase   (							__A							:   tuple[int, int]						,		__A							:   int      ):
				a_				,			a_		:  List[str]											=      position
				a_		:  Optional[int]											=      [
				    (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),
				]
				a_		:  Any											=      []

				for position in positions:
								a_				,			a_		:  Dict											=      position
								if 0 <= y_test < n and 0 <= x_test < n:
												permissible_positions.append(__A      )

				return permissible_positions





def 		_UpperCAmelCase   (							__A							:   list[list[int]]      ):
				return not any(elem == 0 for row in board for elem in row      )





def 		_UpperCAmelCase   (							__A							:   list[list[int]]						,		__A							:   tuple[int, int]						,		__A							:   int      ):

				if is_complete(__A      ):
								return True

				for position in get_valid_pos(__A						,		len(__A      )      ):
								a_				,			a_		:  Dict											=      position

								if board[y][x] == 0:
												a_		:  Optional[Any]											=      curr + 1
												if open_knight_tour_helper(__A						,		__A						,		curr + 1      ):
																return True
												a_		:  Tuple											=      0

				return False





def 		_UpperCAmelCase   (							__A							:   int      ):
				a_		:  List[str]											=      [[0 for i in range(__A      )] for j in range(__A      )]

				for i in range(__A      ):
								for j in range(__A      ):
												a_		:  Optional[Any]											=      1
												if open_knight_tour_helper(__A						,		(i, j)						,		1      ):
																return board
												a_		:  Union[str, Any]											=      0

				a_		:  Dict											=      f'Open Kight Tour cannot be performed on a board of size {n}'
				raise ValueError(__A      )


if __name__ == "__main__":
		import doctest

		doctest.testmod()




