제출 #88262

3
2 1
3 2

3
1

1
2

3
2 1
2 3

1
1

1
2

3
2 3
2 1

3
1

1
2

4
4 1
2 3
1 2

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 15, in <module>
    v.remove(node1)
KeyError: 1

1
2
1

5
1 2
4 3
2 5
3 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 15, in <module>
    v.remove(node1)
KeyError: 3

1
1
3
2

5
4 1
2 1
3 5
1 3

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 15, in <module>
    v.remove(node1)
KeyError: 1

1
1
1
3