



"""simple docstring"""




def 	lowercase__  (      _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase						,   )  ->      tuple[list[list[int]], list[list[str]]]:






      '''simple docstring'''


      lowercase	:   Dict											= list(_UpperCAmelCase					)
      lowercase	:   str											= list(_UpperCAmelCase					)
      lowercase	:   Dict											= len(_UpperCAmelCase					)
      lowercase	:   Tuple											= len(_UpperCAmelCase					)

      lowercase	:   Any											= [
          [0 for _ in range(len_destination_seq + 1					)] for _ in range(len_source_seq + 1					)
      ]
      lowercase	:   Optional[Any]											= [
          ['0' for _ in range(len_destination_seq + 1					)] for _ in range(len_source_seq + 1					)
      ]

      for i in range(1						,   len_source_seq + 1					):
            lowercase	:   Optional[int]											= i * delete_cost
            lowercase	:   Optional[int]											= f'''D{source_seq[i - 1]:c}'''

      for i in range(1						,   len_destination_seq + 1					):
            lowercase	:   Tuple											= i * insert_cost
            lowercase	:   Tuple											= f'''I{destination_seq[i - 1]:c}'''

      for i in range(1						,   len_source_seq + 1					):
            for j in range(1						,   len_destination_seq + 1					):
                  if source_seq[i - 1] == destination_seq[j - 1]:
                        lowercase	:   Any											= costs[i - 1][j - 1] + copy_cost
                        lowercase	:   List[str]											= f'''C{source_seq[i - 1]:c}'''
                  else:
                        lowercase	:   Dict											= costs[i - 1][j - 1] + replace_cost
                        lowercase	:   Tuple											= f'''R{source_seq[i - 1]:c}''' + str(destination_seq[j - 1]					)

                  if costs[i - 1][j] + delete_cost < costs[i][j]:
                        lowercase	:   Tuple											= costs[i - 1][j] + delete_cost
                        lowercase	:   List[str]											= f'''D{source_seq[i - 1]:c}'''

                  if costs[i][j - 1] + insert_cost < costs[i][j]:
                        lowercase	:   Dict											= costs[i][j - 1] + insert_cost
                        lowercase	:   Dict											= f'''I{destination_seq[j - 1]:c}'''

      return costs, ops


def 	lowercase__  (      _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase					)  ->      list[str]:






      '''simple docstring'''


      if i == 0 and j == 0:
            return []
      else:
            if ops[i][j][0] == "C" or ops[i][j][0] == "R":
                  lowercase	:   Any											= assemble_transformation(_UpperCAmelCase						,   i - 1						,   j - 1					)
                  seq.append(ops[i][j]					)
                  return seq
            elif ops[i][j][0] == "D":
                  lowercase	:   str											= assemble_transformation(_UpperCAmelCase						,   i - 1						,   _UpperCAmelCase					)
                  seq.append(ops[i][j]					)
                  return seq
            else:
                  lowercase	:   Optional[Any]											= assemble_transformation(_UpperCAmelCase						,   _UpperCAmelCase						,   j - 1					)
                  seq.append(ops[i][j]					)
                  return seq


if __name__ == "__main__":
     _UpperCamelCase				,       _UpperCamelCase:					List[Any]     				=	compute_transform_tables('Python', 'Algorithms', -1, 1, 2, 2)

     _UpperCamelCase:					Optional[Any]     				=	len(operations)
     _UpperCamelCase:					Union[str, Any]     				=	len(operations[0])
     _UpperCamelCase:					Optional[Any]     				=	assemble_transformation(operations, m - 1, n - 1)

     _UpperCamelCase:					Tuple     				=	list('Python')
     _UpperCamelCase:					Optional[Any]     				=	0
     _UpperCamelCase:					Optional[Any]     				=	0

     with open('min_cost.txt', 'w') as file:
          for op in sequence:
               print(''.join(string))

               if op[0] == "C":
                    file.write('%-16s' % 'Copy %c' % op[1])
                    file.write('\t\t\t' + ''.join(string))
                    file.write('\r\n')

                    cost -= 1
               elif op[0] == "R":
                    _UpperCamelCase:					int     				=	op[2]

                    file.write('%-16s' % ('Replace %c' % op[1] + ' with ' + str(op[2])))
                    file.write('\t\t' + ''.join(string))
                    file.write('\r\n')

                    cost += 1
               elif op[0] == "D":
                    string.pop(i)

                    file.write('%-16s' % 'Delete %c' % op[1])
                    file.write('\t\t\t' + ''.join(string))
                    file.write('\r\n')

                    cost += 2
               else:
                    string.insert(i, op[1])

                    file.write('%-16s' % 'Insert %c' % op[1])
                    file.write('\t\t\t' + ''.join(string))
                    file.write('\r\n')

                    cost += 2

               i += 1

          print(''.join(string))
          print('Cost: ', cost)

          file.write('\r\nMinimum cost: ' + str(cost))





"""simple docstring"""




from __future__ import annotations

from collections import defaultdict
from dataclasses import dataclass


@dataclass
class 	a__		:
   _lowerCamelCase       				=					42
   _lowerCamelCase       				=					None
   _lowerCamelCase       				=					None




def 	lowercase__  (      )  ->      TreeNode:






      '''simple docstring'''


      return TreeNode(3						,   TreeNode(9					)						,   TreeNode(20						,   TreeNode(15					)						,   TreeNode(7					)					)					)


def 	lowercase__  (      _UpperCAmelCase					)  ->      list[int]:






      '''simple docstring'''


      def depth_first_search(
          _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase					) -> None:
            if not root:
                  return

            if depth == len(_UpperCAmelCase					):
                  right_view.append(root.val					)

            depth_first_search(root.right						,   depth + 1						,   _UpperCAmelCase					)
            depth_first_search(root.left						,   depth + 1						,   _UpperCAmelCase					)

      lowercase	:   list											= []
      if not root:
            return right_view

      depth_first_search(_UpperCAmelCase						,   0						,   _UpperCAmelCase					)
      return right_view


def 	lowercase__  (      _UpperCAmelCase					)  ->      list[int]:






      '''simple docstring'''


      def depth_first_search(
          _UpperCAmelCase						,   _UpperCAmelCase						,   _UpperCAmelCase					) -> None:
            if not root:
                  return

            if depth == len(_UpperCAmelCase					):
                  left_view.append(root.val					)

            depth_first_search(root.left						,   depth + 1						,   _UpperCAmelCase					)
            depth_first_search(root.right						,   depth + 1						,   _UpperCAmelCase					)

      lowercase	:   list											= []
      if not root:
            return left_view

      depth_first_search(_UpperCAmelCase						,   0						,   _UpperCAmelCase					)
      return left_view


def 	lowercase__  (      _UpperCAmelCase					)  ->      list[int]:






      '''simple docstring'''


      def breadth_first_search(_UpperCAmelCase						,   _UpperCAmelCase					) -> None:
            lowercase	:   List[str]											= [(root, 0)]
            lowercase	:   List[Any]											= defaultdict(_UpperCAmelCase					)

            while queue:
                  lowercase	:   Union[str, Any]											= queue.pop(0					)
                  lowercase						,     lowercase	:   str											= first

                  lookup[hd].append(node.val					)

                  if node.left:
                        queue.append((node.left, hd - 1)					)
                  if node.right:
                        queue.append((node.right, hd + 1)					)

            for pair in sorted(lookup.items()						,   key=lambda _UpperCAmelCase					: each[0]					):
                  top_view.append(pair[1][0]					)

      lowercase	:   list											= []
      if not root:
            return top_view

      breadth_first_search(_UpperCAmelCase						,   _UpperCAmelCase					)
      return top_view


def 	lowercase__  (      _UpperCAmelCase					)  ->      list[int]:






      '''simple docstring'''


      from collections import defaultdict

      def breadth_first_search(_UpperCAmelCase						,   _UpperCAmelCase					) -> None:
            lowercase	:   Any											= [(root, 0)]
            lowercase	:   Dict											= defaultdict(_UpperCAmelCase					)

            while queue:
                  lowercase	:   str											= queue.pop(0					)
                  lowercase						,     lowercase	:   List[Any]											= first
                  lookup[hd].append(node.val					)

                  if node.left:
                        queue.append((node.left, hd - 1)					)
                  if node.right:
                        queue.append((node.right, hd + 1)					)

            for pair in sorted(lookup.items()						,   key=lambda _UpperCAmelCase					: each[0]					):
                  bottom_view.append(pair[1][-1]					)

      lowercase	:   list											= []
      if not root:
            return bottom_view

      breadth_first_search(_UpperCAmelCase						,   _UpperCAmelCase					)
      return bottom_view


if __name__ == "__main__":
     import doctest

     doctest.testmod()
