




from __future__ import annotations

from collections import defaultdict
from dataclasses import dataclass







@dataclass
class 		__UpperCAmelCase:





     """simple docstring"""



     __UpperCAmelCase						:			int
     __UpperCAmelCase						:			TreeNode | None							=     None
     __UpperCAmelCase						:			TreeNode | None							=     None






def 							__lowerCAmelCase			():
    return TreeNode(3 ,     TreeNode(9		) ,     TreeNode(20 ,     TreeNode(15		) ,     TreeNode(7		)		)		)
def 							__lowerCAmelCase			(UpperCAmelCase_		):

    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_		)

    a__  			=							[]
    if not root:
        return right_view

    depth_first_search(UpperCAmelCase_ ,     0 ,     UpperCAmelCase_		)
    return right_view
def 							__lowerCAmelCase			(UpperCAmelCase_		):

    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_		)

    a__  			=							[]
    if not root:
        return left_view

    depth_first_search(UpperCAmelCase_ ,     0 ,     UpperCAmelCase_		)
    return left_view
def 							__lowerCAmelCase			(UpperCAmelCase_		):

    def breadth_first_search(UpperCAmelCase_ ,     UpperCAmelCase_		) -> None:
        a__  			=							[(root, 0)]
        a__  			=							defaultdict(UpperCAmelCase_		)

        while queue:
            a__  			=							queue.pop(0		)
            a__			,		a__  			=							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]		)

    a__  			=							[]
    if not root:
        return top_view

    breadth_first_search(UpperCAmelCase_ ,     UpperCAmelCase_		)
    return top_view
def 							__lowerCAmelCase			(UpperCAmelCase_		):
    from collections import defaultdict

    def breadth_first_search(UpperCAmelCase_ ,     UpperCAmelCase_		) -> None:
        a__  			=							[(root, 0)]
        a__  			=							defaultdict(UpperCAmelCase_		)

        while queue:
            a__  			=							queue.pop(0		)
            a__			,		a__  			=							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]		)

    a__  			=							[]
    if not root:
        return bottom_view

    breadth_first_search(UpperCAmelCase_ ,     UpperCAmelCase_		)
    return bottom_view


if __name__ == "__main__":
 import doctest

 doctest.testmod()












from __future__ import annotations

from typing import Generic, TypeVar

SCREAMING_SNAKE_CASE_    :       List[str]       =							TypeVar('''T''')







class 		__UpperCAmelCase(		lowercase__			):





     """simple docstring"""



     pass







class 		__UpperCAmelCase(		lowercase__			):





     """simple docstring"""



     pass







class 		__UpperCAmelCase(		Generic[T]			):





     """simple docstring"""



     def __init__(   self			:							str    ,					A			:							int = 10     )      ->      str:






         """simple docstring"""
         a__  			=							[]
         a__  			=							limit

     def __bool__(   self			:							Dict     )      ->      bool:






         """simple docstring"""
         return bool(self.stack     )

     def __str__(   self			:							str     )      ->      str:






         """simple docstring"""
         return str(self.stack     )

     def 					__SCREAMING_SNAKE_CASE		(   self			:							List[str]    ,					A			:							T     )      ->      None:






         """simple docstring"""
         if len(self.stack     ) >= self.limit:
             raise StackOverflowError
         self.stack.append(A     )

     def 					__SCREAMING_SNAKE_CASE		(   self			:							Any     )      ->      T:






         """simple docstring"""
         if not self.stack:
             raise StackUnderflowError
         return self.stack.pop()

     def 					__SCREAMING_SNAKE_CASE		(   self			:							Optional[int]     )      ->      T:






         """simple docstring"""
         if not self.stack:
             raise StackUnderflowError
         return self.stack[-1]

     def 					__SCREAMING_SNAKE_CASE		(   self			:							str     )      ->      bool:






         """simple docstring"""
         return not bool(self.stack     )

     def 					__SCREAMING_SNAKE_CASE		(   self			:							Dict     )      ->      bool:






         """simple docstring"""
         return self.size() == self.limit

     def 					__SCREAMING_SNAKE_CASE		(   self			:							int     )      ->      int:






         """simple docstring"""
         return len(self.stack     )






     def __contains__(   self			:							int    ,					A			:							T     )      ->      bool:






         """simple docstring"""
         return item in self.stack






def 							__lowerCAmelCase			():
    a__  			=							Stack(10		)
    assert bool(UpperCAmelCase_		) is False
    assert stack.is_empty() is True
    assert stack.is_full() is False
    assert str(UpperCAmelCase_		) == "[]"

    try:
        a__  			=							stack.pop()
        raise AssertionError  # This should not happen
    except StackUnderflowError:
        assert True  # This should happen

    try:
        a__  			=							stack.peek()
        raise AssertionError  # This should not happen
    except StackUnderflowError:
        assert True  # This should happen

    for i in range(10		):
        assert stack.size() == i
        stack.push(UpperCAmelCase_		)

    assert bool(UpperCAmelCase_		)
    assert not stack.is_empty()
    assert stack.is_full()
    assert str(UpperCAmelCase_		) == str(list(range(10		)		)		)
    assert stack.pop() == 9
    assert stack.peek() == 8

    stack.push(100		)
    assert str(UpperCAmelCase_		) == str([0, 1, 2, 3, 4, 5, 6, 7, 8, 100]		)

    try:
        stack.push(200		)
        raise AssertionError  # This should not happen
    except StackOverflowError:
        assert True  # This should happen

    assert not stack.is_empty()
    assert stack.size() == 10

    assert 5 in stack
    assert 55 not in stack


if __name__ == "__main__":
 test_stack()






