def        __UpperCAmelCase    (       UpperCAmelCase       )->       Any:



			"""simple docstring"""







			lowercase							=		0
			lowercase							=		len(UpperCAmelCase       )

			for i in range(n - 1       ):
						for j in range(i + 1,		UpperCAmelCase       ):
									if arr[i] > arr[j]:
												num_inversions += 1

			return num_inversions






def        __UpperCAmelCase    (       UpperCAmelCase       )->       Optional[int]:



			"""simple docstring"""







			if len(UpperCAmelCase       ) <= 1:
						return arr, 0
			lowercase							=		len(UpperCAmelCase       ) // 2
			lowercase							=		arr[0:mid]
			lowercase							=		arr[mid:]

			lowercase		,lowercase							=		count_inversions_recursive(UpperCAmelCase       )
			lowercase		,lowercase							=		count_inversions_recursive(UpperCAmelCase       )
			lowercase		,lowercase							=		_count_cross_inversions(UpperCAmelCase,		UpperCAmelCase       )

			lowercase							=		inversion_p + inversions_q + cross_inversions
			return c, num_inversions






def        __UpperCAmelCase    (       UpperCAmelCase,		UpperCAmelCase       )->       int:



			"""simple docstring"""







			lowercase							=		[]
			lowercase							=		lowercase							=		lowercase							=		0
			while i < len(UpperCAmelCase       ) and j < len(UpperCAmelCase       ):
						if p[i] > q[j]:
									# if P[1] > Q[j], then P[k] > Q[k] for all  i < k <= len(P)
									# These are all inversions. The claim emerges from the
									# property that P is sorted.
									num_inversion += len(UpperCAmelCase       ) - i
									r.append(q[j]       )
									j += 1
						else:
									r.append(p[i]       )
									i += 1

			if i < len(UpperCAmelCase       ):
						r.extend(p[i:]       )
			else:
						r.extend(q[j:]       )

			return r, num_inversion






def        __UpperCAmelCase    (       )->       Optional[Any]:



			"""simple docstring"""







			lowercase							=		[10, 2, 1, 5, 5, 2, 11]

			# this arr has 8 inversions:
			# (10, 2), (10, 1), (10, 5), (10, 5), (10, 2), (2, 1), (5, 2), (5, 2)

			lowercase							=		count_inversions_bf(UpperCAmelCase       )
			lowercase		,lowercase							=		count_inversions_recursive(UpperCAmelCase       )

			assert num_inversions_bf == num_inversions_recursive == 8

			print('''number of inversions = ''',		UpperCAmelCase       )

			# testing an array with zero inversion (a sorted arr_1)

			arr_a.sort()
			lowercase							=		count_inversions_bf(UpperCAmelCase       )
			lowercase		,lowercase							=		count_inversions_recursive(UpperCAmelCase       )

			assert num_inversions_bf == num_inversions_recursive == 0
			print('''number of inversions = ''',		UpperCAmelCase       )

			# an empty list should also have zero inversions
			lowercase							=		[]
			lowercase							=		count_inversions_bf(UpperCAmelCase       )
			lowercase		,lowercase							=		count_inversions_recursive(UpperCAmelCase       )

			assert num_inversions_bf == num_inversions_recursive == 0
			print('''number of inversions = ''',		UpperCAmelCase       )


if __name__ == "__main__":
						main()






import logging

from transformers import PretrainedConfig


A_      =      logging.getLogger(__name__)


A_      =      {
    "bertabs-finetuned-cnndm": "https://huggingface.co/remi/bertabs-finetuned-cnndm-extractive-abstractive-summarization/resolve/main/config.json",
}






class      __lowercase					(    _A    ):
						lowercase					 =     'bertabs'

						def __init__(	self				:      Dict							,							__lowerCamelCase				:      Tuple=3_05_22							,							__lowerCamelCase				:      Tuple=5_12							,							__lowerCamelCase				:      List[Any]=6							,							__lowerCamelCase				:      Any=5_12							,							__lowerCamelCase				:      Any=8							,							__lowerCamelCase				:      Union[str, Any]=5_12							,							__lowerCamelCase				:      Tuple=0.2							,							__lowerCamelCase				:      str=6							,							__lowerCamelCase				:      int=7_68							,							__lowerCamelCase				:      int=8							,							__lowerCamelCase				:      List[Any]=20_48							,							__lowerCamelCase				:      Union[str, Any]=0.2							,							**__lowerCamelCase				:      Dict							,							)							->		Dict:


									'''simple docstring'''

									super().__init__(**__lowerCamelCase   )

									lowercase							=		vocab_size
									lowercase							=		max_pos

									lowercase							=		enc_layers
									lowercase							=		enc_hidden_size
									lowercase							=		enc_heads
									lowercase							=		enc_ff_size
									lowercase							=		enc_dropout

									lowercase							=		dec_layers
									lowercase							=		dec_hidden_size
									lowercase							=		dec_heads
									lowercase							=		dec_ff_size
									lowercase							=		dec_dropout





