제출 #47101

1
5
I -1
D 1
I -2
I -5
D 1

-2 -5

-5 -5

2
5
I 5
I 2
I 0
D -1
I 5
3
I 5
I 1
D 1

5 2
5 1

5 2
1 1

2
1
D 1
5
D -1
I -1
I 3
D -1
D -1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 91, in <module>
    a.remove(int(val))
  File "Main.py", line 65, in remove
    parent.left = cur.right
AttributeError: 'NoneType' object has no attribute 'left'

EMPTY
EMPTY

1
7
I 66
I 89
D 1
I 78
D 1
I 99
D -1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 91, in <module>
    a.remove(int(val))
  File "Main.py", line 65, in remove
    parent.left = cur.right
AttributeError: 'NoneType' object has no attribute 'left'

99 99

1
8
I 1
I 2
I 3
D -1
I 2
D 1
D -1
D -1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 91, in <module>
    a.remove(int(val))
  File "Main.py", line 65, in remove
    parent.left = cur.right
AttributeError: 'NoneType' object has no attribute 'left'

EMPTY