


from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


__magic_name__       					=      {
    '''configuration_decision_transformer''': [
        '''DECISION_TRANSFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP''',
        '''DecisionTransformerConfig''',
    ],
}

try:
				if not is_torch_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				__magic_name__       					=      [
				    '''DECISION_TRANSFORMER_PRETRAINED_MODEL_ARCHIVE_LIST''',
				    '''DecisionTransformerGPT2Model''',
				    '''DecisionTransformerGPT2PreTrainedModel''',
				    '''DecisionTransformerModel''',
				    '''DecisionTransformerPreTrainedModel''',
				]


if TYPE_CHECKING:
				from .configuration_decision_transformer import (
				    DECISION_TRANSFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
				    DecisionTransformerConfig,
				)

				try:
								if not is_torch_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_decision_transformer import (
								    DECISION_TRANSFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
								    DecisionTransformerGPTaModel,
								    DecisionTransformerGPTaPreTrainedModel,
								    DecisionTransformerModel,
								    DecisionTransformerPreTrainedModel,
								)


else:
				import sys

				__magic_name__       					=      _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)





from __future__ import annotations





class    lowerCAmelCase__				:






						"""simple docstring"""




						def __init__(   self				,							a_     ):
							lowerCamelCase_			:							List[str]      =       value
							lowerCamelCase_			:							Node | None      =       None
							lowerCamelCase_			:							Node | None      =       None





class    lowerCAmelCase__				:






						"""simple docstring"""
						__UpperCAmelCase   :		int




						def __init__(   self     ):
							lowerCamelCase_			:							str      =       0




						def 					_UpperCamelCase			(   self				,							a_				,							a_     ):
							if node is None:
								return

							if path_sum == self.target:
								self.paths += 1

							if node.left:
								self.depth_first_search(node.left				,							path_sum + node.left.value     )
							if node.right:
								self.depth_first_search(node.right				,							path_sum + node.right.value     )




						def 					_UpperCamelCase			(   self				,							a_				,							a_ = None     ):
							if node is None:
								return 0
							if target is not None:
								lowerCamelCase_			:							List[str]      =       target

							self.depth_first_search(a_				,							node.value     )
							self.path_sum(node.left     )
							self.path_sum(node.right     )

							return self.paths


if __name__ == "__main__":
							import doctest

							doctest.testmod()

