





from __future__ import annotations

lowerCAmelCase_        =							[]






def 	lowerCamelCase_		(							_UpperCamelCase					,							_UpperCamelCase					,							_UpperCamelCase					)						->		bool:






				"""simple docstring"""


				for i in range(len(_UpperCamelCase					)					):
								if board[row][i] == 1:
												return False
				for i in range(len(_UpperCamelCase					)					):
								if board[i][column] == 1:
												return False
				for i, j in zip(range(_UpperCamelCase					,							-1					,							-1					)					,							range(_UpperCamelCase					,							-1					,							-1					)					):
								if board[i][j] == 1:
												return False
				for i, j in zip(range(_UpperCamelCase					,							-1					,							-1					)					,							range(_UpperCamelCase					,							len(_UpperCamelCase					)					)					):
								if board[i][j] == 1:
												return False
				return True






def 	lowerCamelCase_		(							_UpperCamelCase					,							_UpperCamelCase					)						->		bool:






				"""simple docstring"""


				if row >= len(_UpperCamelCase					):
								solution.append(_UpperCamelCase					)
								printboard(_UpperCamelCase					)
								print()
								return True
				for i in range(len(_UpperCamelCase					)					):
								if is_safe(_UpperCamelCase					,							_UpperCamelCase					,							_UpperCamelCase					):
												snake_case_		:       Optional[int]           =    1
												solve(_UpperCamelCase					,							row + 1					)
												snake_case_		:       Dict           =    0
				return False






def 	lowerCamelCase_		(							_UpperCamelCase					)						->		None:






				"""simple docstring"""


				for i in range(len(_UpperCamelCase					)					):
								for j in range(len(_UpperCamelCase					)					):
												if board[i][j] == 1:
																print('''Q'''					,							end=''' '''					)
												else:
																print('''.'''					,							end=''' '''					)
								print()


# n=int(input("The no. of queens"))
lowerCAmelCase_        =							8
lowerCAmelCase_        =							[[0 for i in range(n)] for j in range(n)]
solve(board, 0)





print('''The total no. of solutions are :''', len(solution))




def 		lowercase_	(  _UpperCamelCase	):


			'''simple docstring'''







			__lowercase			       = hex_num.strip()
			if not hex_num:
						raise ValueError('''No value was passed to the function'''	)

			__lowercase			       = hex_num[0] == '''-'''
			if is_negative:
						__lowercase			       = hex_num[1:]

			try:
						__lowercase			       = int(_UpperCamelCase							,      16	)
			except ValueError:
						raise ValueError('''Invalid value was passed to the function'''	)

			__lowercase			       = ''''''
			while int_num > 0:
						__lowercase			       = str(int_num % 2	) + bin_str
						int_num >>= 1

			return int(('''-''' + bin_str) if is_negative else bin_str	)


if __name__ == "__main__":
	import doctest

	doctest.testmod()


