"""simple docstring"""



import numpy as np
from cva import destroyAllWindows, imread, imshow, waitKey
class 	__UpperCAmelCase						:







   '''simple docstring'''





   def __init__( self      ,			snake_case_      ,			snake_case_       ):







          '''simple docstring'''


          A__					:    Any														= 0
          # max greyscale value for #FFFFFF
          A__					:    List[str]														= int(self.get_greyscale(255      ,			255      ,			255       )       )

          if not self.min_threshold < threshold < self.max_threshold:
                 A__					:    Tuple														= F'''Factor value should be from 0 to {self.max_threshold}'''
                 raise ValueError(snake_case_       )

          A__					:    Optional[int]														= input_img
          A__					:    Optional[Any]														= threshold
          A__					:    List[Any]														= self.input_img.shape[1], self.input_img.shape[0]

          # error table size (+4 columns and +1 row) greater than input image because of
          # lack of if statements
          A__					:    Union[str, Any]														= [
              [0 for _ in range(self.height + 4       )] for __ in range(self.width + 1       )
          ]
          A__					:    Optional[Any]														= np.ones((self.width, self.height, 3)      ,			np.uinta       ) * 255





   @classmethod
   def 		lowerCamelCase				( cls      ,			snake_case_      ,			snake_case_      ,			snake_case_       ):







          '''simple docstring'''


          return 0.1_14 * blue + 0.5_87 * green + 0.21_26 * red





   def 		lowerCamelCase				( self       ):







          '''simple docstring'''


          for y in range(self.height       ):
                 for x in range(self.width       ):
                        A__					:    List[str]														= int(self.get_greyscale(*self.input_img[y][x]       )       )
                        if self.threshold > greyscale + self.error_table[y][x]:
                               A__					:    List[str]														= (0, 0, 0)
                               A__					:    str														= greyscale + self.error_table[x][y]
                        else:
                               A__					:    List[Any]														= (255, 255, 255)
                               A__					:    List[str]														= greyscale + self.error_table[x][y] - 255
                        self.error_table[y][x + 1] += int(8 / 32 * current_error       )
                        self.error_table[y][x + 2] += int(4 / 32 * current_error       )
                        self.error_table[y + 1][x] += int(8 / 32 * current_error       )
                        self.error_table[y + 1][x + 1] += int(4 / 32 * current_error       )
                        self.error_table[y + 1][x + 2] += int(2 / 32 * current_error       )
                        self.error_table[y + 1][x - 1] += int(4 / 32 * current_error       )
                        self.error_table[y + 1][x - 2] += int(2 / 32 * current_error       )


if __name__ == "__main__":
    # create Burke's instances with original images in greyscale
    _UpperCamelCase         =		[
        Burkes(imread("image_data/lena.jpg", 1), threshold)
        for threshold in (1, 1_26, 1_30, 1_40)
    ]

    for burkes in burkes_instances:
        burkes.process()

    for burkes in burkes_instances:
        imshow(
            F'Original image with dithering threshold: {burkes.threshold}',
            burkes.output_img,
        )

    waitKey(0)
    destroyAllWindows()






"""simple docstring"""



def    _A(		lowerCAmelCase       ):
							A__					:    str														= len(lowerCAmelCase       )
							A__					:    List[Any]														= [0] * length
							A__					:    Union[str, Any]														= [[False for i in range(lowerCAmelCase       )] for j in range(lowerCAmelCase       )]
							for i, c in enumerate(lowerCAmelCase       ):
														A__					:    Dict														= i
														for j in range(i + 1       ):
																					if c == string[j] and (i - j < 2 or is_palindromic[j + 1][i - 1]):
																												A__					:    List[str]														= True
																												A__					:    Optional[Any]														= min(lowerCAmelCase ,     0 if j == 0 else (cut[j - 1] + 1)       )
														A__					:    Optional[int]														= mincut
							return cut[length - 1]


if __name__ == "__main__":
				_UpperCamelCase         =		input("Enter the string: ").strip()
				_UpperCamelCase         =		find_minimum_partitions(s)
				print(F'Minimum number of partitions required for the \'{s}\' is {ans}')





