





'''simple docstring'''






import math
import sys







def 					_a						(       _lowerCamelCase ) ->				str:



			"""simple docstring"""


			__snake_case					:      List[str]							      =     """"""
			try:
						with open(_lowerCamelCase    ,	"""rb""" ) as binary_file:
									__snake_case					:      Optional[Any]							      =     binary_file.read()
						for dat in data:
									__snake_case					:      Union[str, Any]							      =     F'''{dat:08b}'''
									result += curr_byte
						return result
			except OSError:
						print("""File not accessible""" )
						sys.exit()







def 					_a						(       _lowerCamelCase ) ->				str:



			"""simple docstring"""


			__snake_case					:      int							      =     {"""0""": """0""", """1""": """1"""}
			__snake_case      ,     __snake_case					:      List[str]							      =     """""", """"""
			__snake_case					:      Dict							      =     len(_lowerCamelCase )

			for i in range(len(_lowerCamelCase ) ):
						curr_string += data_bits[i]
						if curr_string not in lexicon:
									continue

						__snake_case					:      str							      =     lexicon[curr_string]
						result += last_match_id
						__snake_case					:      List[str]							      =     last_match_id + """0"""

						if math.loga(_lowerCamelCase ).is_integer():
									__snake_case					:      Optional[int]							      =     {}
									for curr_key in list(_lowerCamelCase ):
												__snake_case					:      Optional[Any]							      =     lexicon.pop(_lowerCamelCase )
									__snake_case					:      Optional[int]							      =     new_lex

						__snake_case					:      List[Any]							      =     last_match_id + """1"""
						index += 1
						__snake_case					:      List[Any]							      =     """"""
			return result







def 					_a						(       _lowerCamelCase    ,	_lowerCamelCase ) ->				None:



			"""simple docstring"""


			__snake_case					:      Optional[Any]							      =     8
			try:
						with open(_lowerCamelCase    ,	"""wb""" ) as opened_file:
									__snake_case					:      Any							      =     [
									    to_write[i : i + byte_length]
									    for i in range(0    ,	len(_lowerCamelCase )    ,	_lowerCamelCase )
									]

									if len(result_byte_array[-1] ) % byte_length == 0:
												result_byte_array.append("""10000000""" )
									else:
												result_byte_array[-1] += "1" + "0" * (
												    byte_length - len(result_byte_array[-1] ) - 1
												)

									for elem in result_byte_array[:-1]:
												opened_file.write(int(_lowerCamelCase    ,	2 ).to_bytes(1    ,	byteorder="""big""" ) )
			except OSError:
						print("""File not accessible""" )
						sys.exit()







def 					_a						(       _lowerCamelCase ) ->				str:



			"""simple docstring"""


			__snake_case					:      List[Any]							      =     0
			for letter in data_bits:
						if letter == "1":
									break
						counter += 1

			__snake_case					:      Optional[int]							      =     data_bits[counter:]
			__snake_case					:      int							      =     data_bits[counter + 1 :]
			return data_bits







def 					_a						(       _lowerCamelCase    ,	_lowerCamelCase ) ->				None:



			"""simple docstring"""


			__snake_case					:      Union[str, Any]							      =     read_file_binary(_lowerCamelCase )
			__snake_case					:      Optional[int]							      =     remove_prefix(_lowerCamelCase )
			__snake_case					:      int							      =     decompress_data(_lowerCamelCase )
			write_file_binary(_lowerCamelCase    ,	_lowerCamelCase )


if __name__ == "__main__":
	compress(sys.argv[1], sys.argv[2])









'''simple docstring'''






from __future__ import annotations

__UpperCamelCase					    =	[
    [-1, 0],  # left
    [0, -1],  # down
    [1, 0],  # right
    [0, 1],  # up
]







def 					_a						(       _lowerCamelCase    ,	_lowerCamelCase    ,	_lowerCamelCase    ,	_lowerCamelCase    ,	_lowerCamelCase    ,	) ->				tuple[list[list[int]], list[list[int]]]:



			"""simple docstring"""


			__snake_case					:      List[str]							      =     [
			    [0 for col in range(len(grid[0] ) )] for row in range(len(_lowerCamelCase ) )
			]  # the reference grid
			__snake_case					:      Tuple							      =     1
			__snake_case					:      List[str]							      =     [
			    [0 for col in range(len(grid[0] ) )] for row in range(len(_lowerCamelCase ) )
			]  # the action grid

			__snake_case					:      List[str]							      =     init[0]
			__snake_case					:      str							      =     init[1]
			__snake_case					:      int							      =     0
			__snake_case					:      int							      =     g + heuristic[x][y]  # cost from starting cell to destination cell
			__snake_case					:      List[str]							      =     [[f, g, x, y]]

			__snake_case					:      Any							      =     False  # flag that is set when search is complete
			__snake_case					:      int							      =     False  # flag set if we can't find expand

			while not found and not resign:
						if len(_lowerCamelCase ) == 0:
									raise ValueError("""Algorithm is unable to find solution""" )
						else:  # to choose the least costliest action so as to move closer to the goal
									cell.sort()
									cell.reverse()
									__snake_case					:      Tuple							      =     cell.pop()
									__snake_case					:      Optional[int]							      =     next_cell[2]
									__snake_case					:      List[Any]							      =     next_cell[3]
									__snake_case					:      int							      =     next_cell[1]

									if x == goal[0] and y == goal[1]:
												__snake_case					:      Optional[Any]							      =     True
									else:
												for i in range(len(_lowerCamelCase ) ):  # to try out different valid actions
															__snake_case					:      Union[str, Any]							      =     x + DIRECTIONS[i][0]
															__snake_case					:      str							      =     y + DIRECTIONS[i][1]
															if xa >= 0 and xa < len(_lowerCamelCase ) and ya >= 0 and ya < len(grid[0] ):
																		if closed[xa][ya] == 0 and grid[xa][ya] == 0:
																					__snake_case					:      str							      =     g + cost
																					__snake_case					:      Tuple							      =     ga + heuristic[xa][ya]
																					cell.append([fa, ga, xa, ya] )
																					__snake_case					:      List[str]							      =     1
																					__snake_case					:      Optional[int]							      =     i
			__snake_case					:      List[str]							      =     []
			__snake_case					:      Optional[int]							      =     goal[0]
			__snake_case					:      List[Any]							      =     goal[1]
			invpath.append([x, y] )  # we get the reverse path from here
			while x != init[0] or y != init[1]:
						__snake_case					:      Dict							      =     x - DIRECTIONS[action[x][y]][0]
						__snake_case					:      int							      =     y - DIRECTIONS[action[x][y]][1]
						__snake_case					:      Optional[int]							      =     xa
						__snake_case					:      int							      =     ya
						invpath.append([x, y] )

			__snake_case					:      Optional[int]							      =     []
			for i in range(len(_lowerCamelCase ) ):
						path.append(invpath[len(_lowerCamelCase ) - 1 - i] )
			return path, action


if __name__ == "__main__":
	__UpperCamelCase					    =	[
	    [0, 1, 0, 0, 0, 0],
	    [0, 1, 0, 0, 0, 0],  # 0 are free path whereas 1's are obstacles
	    [0, 1, 0, 0, 0, 0],
	    [0, 1, 0, 0, 1, 0],
	    [0, 0, 0, 0, 1, 0],
	]

	__UpperCamelCase					    =	[0, 0]
	# all coordinates are given in format [y,x]
	__UpperCamelCase					    =	[len(grid) - 1, len(grid[0]) - 1]
	__UpperCamelCase					    =	1

	# the cost map which pushes the path closer to the goal
	__UpperCamelCase					    =	[[0 for row in range(len(grid[0]))] for col in range(len(grid))]
	for i in range(len(grid)):
		for j in range(len(grid[0])):
			__UpperCamelCase					    =	abs(i - goal[0]) + abs(j - goal[1])
			if grid[i][j] == 1:
				# added extra penalty in the heuristic map
				__UpperCamelCase					    =	99

	__UpperCamelCase    ,		__UpperCamelCase					    =	search(grid, init, goal, cost, heuristic)

	print("ACTION MAP")
	for i in range(len(action)):
		print(action[i])

	for i in range(len(path)):
		print(path[i])


