




'''simple docstring'''







def        lowerCamelCase__				(      __lowercase				):
     snake_case			:      Dict        =			0
     snake_case			:      Optional[Any]        =			len(__lowercase				)

     for i in range(n - 1				):
          for j in range(i + 1     ,   __lowercase				):
               if arr[i] > arr[j]:
                    num_inversions += 1

     return num_inversions



def        lowerCamelCase__				(      __lowercase				):
     if len(__lowercase				) <= 1:
          return arr, 0
     snake_case			:      List[Any]        =			len(__lowercase				) // 2
     snake_case			:      List[Any]        =			arr[0:mid]
     snake_case			:      List[Any]        =			arr[mid:]

     snake_case ,		snake_case			:      Dict        =			count_inversions_recursive(__lowercase				)
     snake_case ,		snake_case			:      List[Any]        =			count_inversions_recursive(__lowercase				)
     snake_case ,		snake_case			:      str        =			_count_cross_inversions(__lowercase     ,   __lowercase				)

     snake_case			:      Union[str, Any]        =			inversion_p + inversions_q + cross_inversions
     return c, num_inversions



def        lowerCamelCase__				(      __lowercase     ,   __lowercase				):
     snake_case			:      Tuple        =			[]
     snake_case			:      Dict        =			0
     while i < len(__lowercase				) and j < len(__lowercase				):
          if p[i] > q[j]:
               # if P[1] > Q[j], then P[k] > Q[k] for all  i < k <= len(P)
               # These are all inversions. The claim emerges from the
               # property that P is sorted.
               num_inversion += len(__lowercase				) - i
               r.append(q[j]				)
               j += 1
          else:
               r.append(p[i]				)
               i += 1

     if i < len(__lowercase				):
          r.extend(p[i:]				)
     else:
          r.extend(q[j:]				)

     return r, num_inversion



def        lowerCamelCase__				(      ):
     snake_case			:      int        =			[10, 2, 1, 5, 5, 2, 11]

     # this arr has 8 inversions:
     # (10, 2), (10, 1), (10, 5), (10, 5), (10, 2), (2, 1), (5, 2), (5, 2)

     snake_case			:      Tuple        =			count_inversions_bf(__lowercase				)
     snake_case ,		snake_case			:      List[str]        =			count_inversions_recursive(__lowercase				)

     assert num_inversions_bf == num_inversions_recursive == 8

     print("""number of inversions = """     ,   __lowercase				)

     # testing an array with zero inversion (a sorted arr_1)

     arr_a.sort()
     snake_case			:      List[str]        =			count_inversions_bf(__lowercase				)
     snake_case ,		snake_case			:      int        =			count_inversions_recursive(__lowercase				)

     assert num_inversions_bf == num_inversions_recursive == 0
     print("""number of inversions = """     ,   __lowercase				)

     # an empty list should also have zero inversions
     snake_case			:      Union[str, Any]        =			[]
     snake_case			:      int        =			count_inversions_bf(__lowercase				)
     snake_case ,		snake_case			:      List[Any]        =			count_inversions_recursive(__lowercase				)

     assert num_inversions_bf == num_inversions_recursive == 0
     print("""number of inversions = """     ,   __lowercase				)


if __name__ == "__main__":
      main()









'''simple docstring'''







import numpy as np
from cva import destroyAllWindows, imread, imshow, waitKey







class 					_a :





     '''simple docstring'''



     def __init__(				self							,__a							,__a							,__a							)      ->				Tuple:
          if dst_width < 0 or dst_height < 0:
               raise ValueError("""Destination width/height should be > 0"""							)

          snake_case			:      str        =			img
          snake_case			:      str        =			img.shape[1]
          snake_case			:      Union[str, Any]        =			img.shape[0]
          snake_case			:      Optional[int]        =			dst_width
          snake_case			:      List[str]        =			dst_height

          snake_case			:      List[str]        =			self.src_w / self.dst_w
          snake_case			:      int        =			self.src_h / self.dst_h

          snake_case			:      List[Any]        =			(
              np.ones((self.dst_h, self.dst_w, 3)							,np.uinta							) * 255
          )







     def 			snake_case_      (				self							)      ->				int:
          for i in range(self.dst_h							):
               for j in range(self.dst_w							):
                    snake_case			:      Optional[Any]        =			self.img[self.get_y(__a							)][self.get_x(__a							)]







     def 			snake_case_      (				self							,__a							)      ->				int:
          return int(self.ratio_x * x							)







     def 			snake_case_      (				self							,__a							)      ->				int:
          return int(self.ratio_y * y							)


if __name__ == "__main__":
      lowercase,	lowercase      :   Optional[int]      =       800, 600
      lowercase      :   Union[str, Any]      =       imread("""image_data/lena.jpg""", 1)
      lowercase      :   int      =       NearestNeighbour(im, dst_w, dst_h)
      n.process()

      imshow(
          F"""Image resized from: {im.shape[1]}x{im.shape[0]} to {dst_w}x{dst_h}""", n.output
      )
      waitKey(0)
      destroyAllWindows()



