from ..utils import DummyObject, requires_backends




class 	__snake_case	( metaclass=__lowerCAmelCase		):





						'''simple docstring'''






						_snake_case    		=       ['onnx']



						def __init__(					self     :				Optional[Any]    ,  *_UpperCamelCase     :				Tuple    ,  **_UpperCamelCase     :				int)				->int:


										"""simple docstring"""


										requires_backends(self    ,  ["""onnx"""])



						@classmethod
						def 	_SCREAMING_SNAKE_CASE    (					cls     :				Optional[Any]    ,  *_UpperCamelCase     :				Optional[Any]    ,  **_UpperCamelCase     :				Optional[int])				->int:


										"""simple docstring"""


										requires_backends(cls    ,  ["""onnx"""])




						@classmethod
						def 	_SCREAMING_SNAKE_CASE    (					cls     :				List[Any]    ,  *_UpperCamelCase     :				List[str]    ,  **_UpperCamelCase     :				List[Any])				->List[str]:


										"""simple docstring"""


										requires_backends(cls    ,  ["""onnx"""])





from __future__ import annotations

lowerCAmelCase			:							int     =[]







def 						A__  (					__A   , __A   , __A	):







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







def 						A__  (					__A   , __A	):







    '''simple docstring'''
    if row >= len(__A	):
        solution.append(__A	)
        printboard(__A	)
        print()
        return True
    for i in range(len(__A	)	):
        if is_safe(__A   , __A   , __A	):
            _lowerCamelCase     :		int 						=						1
            solve(__A   , row + 1	)
            _lowerCamelCase     :		List[str] 						=						0
    return False







def 						A__  (					__A	):







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


# n=int(input("The no. of queens"))
lowerCAmelCase			:							int     =8
lowerCAmelCase			:							Union[str, Any]     =[[0 for i in range(n)] for j in range(n)]
solve(board, 0)
print("The total no. of solutions are :", len(solution))




