




from ....configuration_utils import PretrainedConfig
from ....utils import logging


UpperCAmelCase_						=logging.get_logger(__name__)

UpperCAmelCase_						={
    """CarlCochet/trajectory-transformer-halfcheetah-medium-v2""": (
        """https://huggingface.co/CarlCochet/trajectory-transformer-halfcheetah-medium-v2/resolve/main/config.json"""
    ),
    # See all TrajectoryTransformer models at https://huggingface.co/models?filter=trajectory_transformer
}


class 							__UpperCamelCase			( __UpperCAmelCase  ):





				'''simple docstring'''



				__a							: List[Any]										="""trajectory_transformer"""
				__a							: str										=["""past_key_values"""]
				__a							: List[Any]										={
				    """hidden_size""": """n_embd""",
				    """num_attention_heads""": """n_head""",
				    """num_hidden_layers""": """n_layer""",
				}



				def __init__( self       , UpperCAmelCase_=1_00       , UpperCAmelCase_=5       , UpperCAmelCase_=1       , UpperCAmelCase_=1       , UpperCAmelCase_=2_49       , UpperCAmelCase_=6       , UpperCAmelCase_=17       , UpperCAmelCase_=25       , UpperCAmelCase_=4       , UpperCAmelCase_=4       , UpperCAmelCase_=1_28       , UpperCAmelCase_=0.1       , UpperCAmelCase_=0.1       , UpperCAmelCase_=0.1       , UpperCAmelCase_=0.0006       , UpperCAmelCase_=5_12       , UpperCAmelCase_=0.02       , UpperCAmelCase_=1E-1_2       , UpperCAmelCase_=1       , UpperCAmelCase_=True       , UpperCAmelCase_=1       , UpperCAmelCase_=5_02_56       , UpperCAmelCase_=5_02_56       , **UpperCAmelCase_       , ):
											lowerCAmelCase   =		vocab_size
											lowerCAmelCase   =		action_weight
											lowerCAmelCase   =		reward_weight
											lowerCAmelCase   =		value_weight
											lowerCAmelCase   =		max_position_embeddings
											lowerCAmelCase   =		block_size
											lowerCAmelCase   =		action_dim
											lowerCAmelCase   =		observation_dim
											lowerCAmelCase   =		transition_dim
											lowerCAmelCase   =		learning_rate
											lowerCAmelCase   =		n_layer
											lowerCAmelCase   =		n_head
											lowerCAmelCase   =		n_embd
											lowerCAmelCase   =		embd_pdrop
											lowerCAmelCase   =		attn_pdrop
											lowerCAmelCase   =		resid_pdrop
											lowerCAmelCase   =		initializer_range
											lowerCAmelCase   =		layer_norm_eps
											lowerCAmelCase   =		kaiming_initializer_range
											lowerCAmelCase   =		use_cache
											super().__init__(pad_token_id=UpperCAmelCase_       , bos_token_id=UpperCAmelCase_       , eos_token_id=UpperCAmelCase_       , **UpperCAmelCase_						)









from __future__ import annotations

from typing import Generic, TypeVar

UpperCAmelCase_						=TypeVar("""T""")


class 							__UpperCamelCase			( Generic[T]  ):





				'''simple docstring'''



				def __init__( self       , UpperCAmelCase_						):
											lowerCAmelCase   =		data
											lowerCAmelCase   =		self
											lowerCAmelCase   =		0




class 							__UpperCamelCase			( Generic[T]  ):





				'''simple docstring'''



				def __init__( self						):
											# map from node name to the node object
											lowerCAmelCase   =		{}



				def       __snake_case		( self       , UpperCAmelCase_						):
											# create a new set with x as its member
											lowerCAmelCase   =		DisjointSetTreeNode(UpperCAmelCase_						)



				def       __snake_case		( self       , UpperCAmelCase_						):
											# find the set x belongs to (with path-compression)
											lowerCAmelCase   =		self.map[data]
											if elem_ref != elem_ref.parent:
																		lowerCAmelCase   =		self.find_set(elem_ref.parent.data						)
											return elem_ref.parent



				def       __snake_case		( self       , UpperCAmelCase_       , UpperCAmelCase_						):
											# helper function for union operation
											if nodea.rank > nodea.rank:
																		lowerCAmelCase   =		nodea
											else:
																		lowerCAmelCase   =		nodea
																		if nodea.rank == nodea.rank:
																									nodea.rank += 1






				def       __snake_case		( self       , UpperCAmelCase_       , UpperCAmelCase_						):
											# merge 2 disjoint sets
											self.link(self.find_set(UpperCAmelCase_						)       , self.find_set(UpperCAmelCase_						)						)




class 							__UpperCamelCase			( Generic[T]  ):





				'''simple docstring'''



				def __init__( self						):
											# connections: map from the node to the neighbouring nodes (with weights)
											lowerCAmelCase   =		{}



				def       __snake_case		( self       , UpperCAmelCase_						):
											# add a node ONLY if its not present in the graph
											if node not in self.connections:
																		lowerCAmelCase   =		{}



				def       __snake_case		( self       , UpperCAmelCase_       , UpperCAmelCase_       , UpperCAmelCase_						):
											# add an edge with the given weight
											self.add_node(UpperCAmelCase_						)
											self.add_node(UpperCAmelCase_						)
											lowerCAmelCase   =		weight
											lowerCAmelCase   =		weight






				def       __snake_case		( self						):
											lowerCAmelCase   =		[]
											lowerCAmelCase   =		set()
											for start in self.connections:
																		for end in self.connections[start]:
																									if (start, end) not in seen:
																																seen.add((end, start)						)
																																edges.append((start, end, self.connections[start][end])						)
											edges.sort(key=lambda UpperCAmelCase_						: x[2]						)

											# creating the disjoint set
											lowerCAmelCase   =		DisjointSetTree[T]()
											for node in self.connections:
																		disjoint_set.make_set(UpperCAmelCase_						)

											# MST generation
											lowerCAmelCase   =		0
											lowerCAmelCase   =		0
											lowerCAmelCase   =		GraphUndirectedWeighted[T]()
											while num_edges < len(self.connections						) - 1:
																		lowerCAmelCase   ,     lowerCAmelCase   ,     lowerCAmelCase   =		edges[index]
																		index += 1
																		lowerCAmelCase   =		disjoint_set.find_set(UpperCAmelCase_						)
																		lowerCAmelCase   =		disjoint_set.find_set(UpperCAmelCase_						)
																		if parent_u != parent_v:
																									num_edges += 1
																									graph.add_edge(UpperCAmelCase_       , UpperCAmelCase_       , UpperCAmelCase_						)
																									disjoint_set.union(UpperCAmelCase_       , UpperCAmelCase_						)
											return graph



