
"""simple docstring"""


from queue import Queue






def    lowercase	(  lowerCAmelCase__	):
			lowerCamelCase_ 		=     Queue()
			lowerCamelCase_ 		=     [False] * len(lowerCAmelCase__	)
			lowerCamelCase_ 		=     [-1] * len(lowerCAmelCase__	)

			def bfs():
						while not queue.empty():
									lowerCamelCase_ 		=     queue.get()
									lowerCamelCase_ 		=     True

									for neighbour in graph[u]:
												if neighbour == u:
															return False

												if color[neighbour] == -1:
															lowerCamelCase_ 		=     1 - color[u]
															queue.put(lowerCAmelCase__	)

												elif color[neighbour] == color[u]:
															return False

						return True

			for i in range(len(lowerCAmelCase__	)	):
						if not visited[i]:
									queue.put(lowerCAmelCase__	)
									lowerCamelCase_ 		=     0
									if bfs() is False:
												return False

			return True


if __name__ == "__main__":
						# Adjacency List of graph
						print(check_bipartite({0: [1, 3], 1: [0, 2], 2: [1, 3], 3: [0, 2]}))





"""simple docstring"""


import glob
import os

from get_test_info import get_tester_classes


if __name__ == "__main__":
						A_						       =				[]

						A_						       =				os.path.join("""tests""", """models""", """**""", """test_modeling_*.py""")
						A_						       =				glob.glob(pattern)
						# TODO: deal with TF/Flax too
						A_						       =				[
						    x for x in test_files if not (x.startswith("""test_modeling_tf_""") or x.startswith("""test_modeling_flax_"""))
						]

						for test_file in test_files:
												A_						       =				get_tester_classes(test_file)
												for tester_class in tester_classes:
																		# A few tester classes don't have `parent` parameter in `__init__`.
																		# TODO: deal this better
																		try:
																								A_						       =				tester_class(parent=None)
																		except Exception:
																								continue
																		if hasattr(tester, """get_config"""):
																								A_						       =				tester.get_config()
																								for k, v in config.to_dict().items():
																														if isinstance(v, int):
																																				A_						       =				None
																																				if k in ["vocab_size"]:
																																										A_						       =				100
																																				elif k in ["max_position_embeddings"]:
																																										A_						       =				128
																																				elif k in ["hidden_size", "d_model"]:
																																										A_						       =				40
																																				elif k == ["num_layers", "num_hidden_layers", "num_encoder_layers", "num_decoder_layers"]:
																																										A_						       =				5
																																				if target is not None and v > target:
																																										failures.append(
																																										    f"{tester_class.__name__} will produce a `config` of type `{config.__class__.__name__}`"
																																										    f" with config[\"{k}\"] = {v} which is too large for testing! Set its value to be smaller"
																																										    f" than {target}."
																																										)

						if len(failures) > 0:
												raise Exception(f"There were {len(failures)} failures:\n" + """\n""".join(failures))



