
"""simple docstring"""

from __future__ import annotations

from collections import defaultdict
from dataclasses import dataclass
@dataclass
class    _UpperCAmelCase							:
      __SCREAMING_SNAKE_CASE      :							int
      __SCREAMING_SNAKE_CASE      :							TreeNode | None												=		None
      __SCREAMING_SNAKE_CASE      :							TreeNode | None												=		None




def 			lowercase__  (    )       ->					TreeNode:






    """simple docstring"""




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




def 			lowercase__  (    lowerCAmelCase :    TreeNode       )       ->					list[int]:






    """simple docstring"""




    def depth_first_search(
        lowerCAmelCase :    TreeNode | None       , lowerCAmelCase :    int       , lowerCAmelCase :    list[int]       ) -> None:
        if not root:
            return

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

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

    UpperCAmelCase  	=    []
    if not root:
        return right_view

    depth_first_search(lowerCAmelCase       , 0       , lowerCAmelCase       )
    return right_view




def 			lowercase__  (    lowerCAmelCase :    TreeNode       )       ->					list[int]:






    """simple docstring"""




    def depth_first_search(
        lowerCAmelCase :    TreeNode | None       , lowerCAmelCase :    int       , lowerCAmelCase :    list[int]       ) -> None:
        if not root:
            return

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

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

    UpperCAmelCase  	=    []
    if not root:
        return left_view

    depth_first_search(lowerCAmelCase       , 0       , lowerCAmelCase       )
    return left_view




def 			lowercase__  (    lowerCAmelCase :    TreeNode       )       ->					list[int]:






    """simple docstring"""




    def breadth_first_search(lowerCAmelCase :    TreeNode       , lowerCAmelCase :    list[int]       ) -> None:
        UpperCAmelCase  	=    [(root, 0)]
        UpperCAmelCase  	=    defaultdict(lowerCAmelCase       )

        while queue:
            UpperCAmelCase  	=    queue.pop(0       )
            UpperCAmelCase	,							UpperCAmelCase  	=    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 lowerCAmelCase       : each[0]       ):
            top_view.append(pair[1][0]       )

    UpperCAmelCase  	=    []
    if not root:
        return top_view

    breadth_first_search(lowerCAmelCase       , lowerCAmelCase       )
    return top_view




def 			lowercase__  (    lowerCAmelCase :    TreeNode       )       ->					list[int]:






    """simple docstring"""




    from collections import defaultdict

    def breadth_first_search(lowerCAmelCase :    TreeNode       , lowerCAmelCase :    list[int]       ) -> None:
        UpperCAmelCase  	=    [(root, 0)]
        UpperCAmelCase  	=    defaultdict(lowerCAmelCase       )

        while queue:
            UpperCAmelCase  	=    queue.pop(0       )
            UpperCAmelCase	,							UpperCAmelCase  	=    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 lowerCAmelCase       : each[0]       ):
            bottom_view.append(pair[1][-1]       )

    UpperCAmelCase  	=    []
    if not root:
        return bottom_view

    breadth_first_search(lowerCAmelCase       , lowerCAmelCase       )
    return bottom_view


if __name__ == "__main__":
   import doctest

   doctest.testmod()





"""simple docstring"""

from dataclasses import dataclass
from typing import List, Optional, Union

import numpy as np
import PIL
from PIL import Image

from ...utils import is_torch_available, is_transformers_available


if is_transformers_available() and is_torch_available():
   from .image_encoder import PaintByExampleImageEncoder
   from .pipeline_paint_by_example import PaintByExamplePipeline



