






"""simple docstring"""




from collections.abc import Iterator, MutableMapping
from dataclasses import dataclass
from typing import Generic, TypeVar

_snake_case          =   TypeVar('KEY')
_snake_case          =   TypeVar('VAL')






@dataclass(frozen=snake_case_		,     slots=snake_case_      )
class        UpperCamelCase			(	Generic[KEY, VAL]      ):
 UpperCamelCase					:       KEY
 UpperCamelCase					:       VAL







class        UpperCamelCase			(	_Item      ):


 def __init__(     self		:						Optional[int]							)					->       None:
   super().__init__(UpperCAmelCase__							,						UpperCAmelCase__							)







 def __bool__(     self		:						List[str]							)					->       bool:
   return False







_snake_case          =   _DeletedItem()






class        UpperCamelCase			(	MutableMapping[KEY, VAL]      ):


 def __init__(     self		:						Optional[Any]							,						UpperCAmelCase__		:						int = 8							,						UpperCAmelCase__		:						float = 0.7_5							)					->       None:
   _a  :       List[Any]             =	initial_block_size
   _a  :       list[_Item | None]             =	[None] * initial_block_size
   assert 0.0 < capacity_factor < 1.0
   _a  :       Optional[int]             =	capacity_factor
   _a  :       int             =	0


 def _lowercase	(     self		:						List[str]							,						UpperCAmelCase__		:						KEY							)					->       int:
   return hash(UpperCAmelCase__							) % len(self._buckets							)


 def _lowercase	(     self		:						Dict							,						UpperCAmelCase__		:						int							)					->       int:
   return (ind + 1) % len(self._buckets							)


 def _lowercase	(     self		:						Any							,						UpperCAmelCase__		:						int							,						UpperCAmelCase__		:						KEY							,						UpperCAmelCase__		:						VAL							)					->       bool:
   _a  :       Tuple             =	self._buckets[ind]
   if not stored:
     _a  :       Any             =	_Item(UpperCAmelCase__							,						UpperCAmelCase__							)
     self._len += 1
     return True
   elif stored.key == key:
     _a  :       List[Any]             =	_Item(UpperCAmelCase__							,						UpperCAmelCase__							)
     return True
   else:
     return False


 def _lowercase	(     self		:						int							)					->       bool:
   _a  :       Optional[int]             =	len(self._buckets							) * self._capacity_factor
   return len(self							) >= int(UpperCAmelCase__							)


 def _lowercase	(     self		:						Union[str, Any]							)					->       bool:
   if len(self._buckets							) <= self._initial_block_size:
     return False
   _a  :       Union[str, Any]             =	len(self._buckets							) * self._capacity_factor / 2
   return len(self							) < limit


 def _lowercase	(     self		:						List[str]							,						UpperCAmelCase__		:						int							)					->       None:
   _a  :       Any             =	self._buckets
   _a  :       Union[str, Any]             =	[None] * new_size
   _a  :       str             =	0
   for item in old_buckets:
     if item:
       self._add_item(item.key							,						item.val							)


 def _lowercase	(     self		:						int							)					->       None:
   self._resize(len(self._buckets							) * 2							)


 def _lowercase	(     self		:						Dict							)					->       None:
   self._resize(len(self._buckets							) // 2							)


 def _lowercase	(     self		:						Dict							,						UpperCAmelCase__		:						KEY							)					->       Iterator[int]:
   _a  :       str             =	self._get_bucket_index(UpperCAmelCase__							)
   for _ in range(len(self._buckets							)							):
     yield ind
     _a  :       Union[str, Any]             =	self._get_next_ind(UpperCAmelCase__							)


 def _lowercase	(     self		:						Any							,						UpperCAmelCase__		:						KEY							,						UpperCAmelCase__		:						VAL							)					->       None:
   for ind in self._iterate_buckets(UpperCAmelCase__							):
     if self._try_set(UpperCAmelCase__							,						UpperCAmelCase__							,						UpperCAmelCase__							):
       break


 def __setitem__(     self		:						Union[str, Any]							,						UpperCAmelCase__		:						KEY							,						UpperCAmelCase__		:						VAL							)					->       None:
   if self._is_full():
     self._size_up()

   self._add_item(UpperCAmelCase__							,						UpperCAmelCase__							)


 def __delitem__(     self		:						List[str]							,						UpperCAmelCase__		:						KEY							)					->       None:
   for ind in self._iterate_buckets(UpperCAmelCase__							):
     _a  :       Union[str, Any]             =	self._buckets[ind]
     if item is None:
       raise KeyError(UpperCAmelCase__							)
     if item is _deleted:
       continue
     if item.key == key:
       _a  :       Any             =	_deleted
       self._len -= 1
       break
   if self._is_sparse():
     self._size_down()


 def __getitem__(     self		:						Any							,						UpperCAmelCase__		:						KEY							)					->       VAL:
   for ind in self._iterate_buckets(UpperCAmelCase__							):
     _a  :       List[Any]             =	self._buckets[ind]
     if item is None:
       break
     if item is _deleted:
       continue
     if item.key == key:
       return item.val
   raise KeyError(UpperCAmelCase__							)


 def __len__(     self		:						int							)					->       int:
   return self._len


 def __iter__(     self		:						int							)					->       Iterator[KEY]:
   yield from (item.key for item in self._buckets if item)







 def __repr__(     self		:						Tuple							)					->       str:
   _a  :       int             =	""" ,""".join(
       f"""{item.key}: {item.val}""" for item in self._buckets if item							)
   return f"""HashMap({val_string})"""









"""simple docstring"""




import cva
import numpy as np






class        UpperCamelCase			:


 def __init__(     self		:						Optional[int]							,						UpperCAmelCase__		:						float							,						UpperCAmelCase__		:						int							)					->       Dict:

   if k in (0.0_4, 0.0_6):
     _a  :       List[str]             =	k
     _a  :       List[Any]             =	window_size
   else:
     raise ValueError("""invalid k value"""							)


 def __str__(     self		:						Dict							)					->       str:
   return str(self.k							)







 def _lowercase	(     self		:						int							,						UpperCAmelCase__		:						str							)					->       tuple[cva.Mat, list[list[int]]]:
   _a  :       Dict             =	cva.imread(UpperCAmelCase__							,						0							)
   _a      ,  _a  :       List[Any]             =	img.shape
   _a  :       list[list[int]]             =	[]
   _a  :       List[Any]             =	img.copy()
   _a  :       int             =	cva.cvtColor(UpperCAmelCase__							,						cva.COLOR_GRAY2RGB							)
   _a      ,  _a  :       Any             =	np.gradient(UpperCAmelCase__							)
   _a  :       Tuple             =	dx**2
   _a  :       Union[str, Any]             =	dy**2
   _a  :       Union[str, Any]             =	dx * dy
   _a  :       int             =	0.0_4
   _a  :       List[str]             =	self.window_size // 2
   for y in range(UpperCAmelCase__							,						h - offset							):
     for x in range(UpperCAmelCase__							,						w - offset							):
       _a  :       str             =	ixx[
           y - offset : y + offset + 1, x - offset : x + offset + 1
       ].sum()
       _a  :       List[Any]             =	iyy[
           y - offset : y + offset + 1, x - offset : x + offset + 1
       ].sum()
       _a  :       Tuple             =	ixy[
           y - offset : y + offset + 1, x - offset : x + offset + 1
       ].sum()

       _a  :       Any             =	(wxx * wyy) - (wxy**2)
       _a  :       Tuple             =	wxx + wyy
       _a  :       Any             =	det - k * (trace**2)
       # Can change the value
       if r > 0.5:
         corner_list.append([x, y, r]							)
         color_img.itemset((y, x, 0)							,						0							)
         color_img.itemset((y, x, 1)							,						0							)
         color_img.itemset((y, x, 2)							,						255							)
   return color_img, corner_list


if __name__ == "__main__":
 _snake_case          =   HarrisCorner(0.04, 3)
 _snake_case      , _snake_case          =   edge_detect.detect('path_to_image')
 cva.imwrite('detect.png', color_img)

