




'''simple docstring'''



from dataclasses import dataclass

UpperCAmelCase_				:     int     			=						'''0.1'''
UpperCAmelCase_				:     int     			=						'''Lucia Harcekova'''





@dataclass
class 			lowerCAmelCase      :
       __lowercase     :					int
       __lowercase     :					int
       __lowercase     :					str


       def __repr__(      self     )					->     str:



            '''simple docstring'''




            return F'''({self.offset}, {self.length}, {self.indicator})'''





class 			lowerCAmelCase      :


       def __init__(      self			,     __SCREAMING_SNAKE_CASE = 13			,     __SCREAMING_SNAKE_CASE = 6     )					->     None:



            '''simple docstring'''




            __snake_case			    =     window_size
            __snake_case			    =     lookahead_buffer_size
            __snake_case			    =     self.window_size - self.lookahead_buffer_size


       def 					lowerCAmelCase					(      self			,     __SCREAMING_SNAKE_CASE     )					->     list[Token]:



            '''simple docstring'''




            __snake_case			    =     []
            __snake_case			    =     ''''''

            # while there are still characters in text to compress
            while text:
                 # find the next encoding phrase
                 # - triplet with offset, length, indicator (the next encoding character)
                 __snake_case			    =     self._find_encoding_token(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE     )

                 # update the search buffer:
                 # - add new characters from text into it
                 # - check if size exceed the max search buffer size, if so, drop the
                 #   oldest elements
                 search_buffer += text[: token.length + 1]
                 if len(__SCREAMING_SNAKE_CASE     ) > self.search_buffer_size:
                      __snake_case			    =     search_buffer[-self.search_buffer_size :]

                 # update the text
                 __snake_case			    =     text[token.length + 1 :]

                 # append the token to output
                 output.append(__SCREAMING_SNAKE_CASE     )

            return output


       def 					lowerCAmelCase					(      self			,     __SCREAMING_SNAKE_CASE     )					->     str:



            '''simple docstring'''




            __snake_case			    =     ''''''

            for token in tokens:
                 for _ in range(token.length     ):
                      output += output[-token.offset]
                 output += token.indicator

            return output


       def 					lowerCAmelCase					(      self			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE     )					->     Token:



            '''simple docstring'''




            if not text:
                 raise ValueError('''We need some text to work with.'''     )

            # Initialise result parameters to default values
            __snake_case    ,			__snake_case			    =     0, 0

            if not search_buffer:
                 return Token(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     text[length]     )

            for i, character in enumerate(__SCREAMING_SNAKE_CASE     ):
                 __snake_case			    =     len(__SCREAMING_SNAKE_CASE     ) - i
                 if character == text[0]:
                      __snake_case			    =     self._match_length_from_index(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     0			,     __SCREAMING_SNAKE_CASE     )
                      # if the found length is bigger than the current or if it's equal,
                      # which means it's offset is smaller: update offset and length
                      if found_length >= length:
                           __snake_case    ,			__snake_case			    =     found_offset, found_length

            return Token(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     text[length]     )




       def 					lowerCAmelCase					(      self			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE     )					->     int:



            '''simple docstring'''




            if not text or text[text_index] != window[window_index]:
                 return 0
            return 1 + self._match_length_from_index(
                __SCREAMING_SNAKE_CASE			,     window + text[text_index]			,     text_index + 1			,     window_index + 1     )


if __name__ == "__main__":
     from doctest import testmod

     testmod()
     # Initialize compressor class
     UpperCAmelCase_				:     Union[str, Any]     			=						LZaaCompressor(window_size=1_3, lookahead_buffer_size=6)

     # Example
     UpperCAmelCase_				:     Union[str, Any]     			=						'''cabracadabrarrarrad'''
     UpperCAmelCase_				:     int     			=						lzaa_compressor.compress(TEXT)
     print(lzaa_compressor.compress('''ababcbababaa'''))
     UpperCAmelCase_				:     Union[str, Any]     			=						lzaa_compressor.decompress(compressed_text)
     assert decompressed_text == TEXT, "The LZ77 algorithm returned the invalid result."












'''simple docstring'''



from __future__ import annotations







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




     '''simple docstring'''





     if counter == 0 or capacity == 0:
          return 0

     # If weight of the nth item is more than Knapsack of capacity,
     #   then this item cannot be included in the optimal solution,
     # else return the maximum of two cases:
     #   (1) nth item included
     #   (2) not included
     if weights[counter - 1] > capacity:
          return knapsack(_lowerCamelCase      ,		_lowerCamelCase      ,		_lowerCamelCase      ,		counter - 1		)
     else:
          __snake_case			    =     capacity - weights[counter - 1]
          __snake_case			    =     values[counter - 1] + knapsack(
              _lowerCamelCase      ,		_lowerCamelCase      ,		_lowerCamelCase      ,		counter - 1		)
          __snake_case			    =     knapsack(_lowerCamelCase      ,		_lowerCamelCase      ,		_lowerCamelCase      ,		counter - 1		)
          return max(_lowerCamelCase      ,		_lowerCamelCase		)


if __name__ == "__main__":
     import doctest

     doctest.testmod()






