제출 #101409

2
8 2
6 1
4 1
3 1
2 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 65, in <module>
    answer, count = dfs(start, visited, edges, count)
                    ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "Main.py", line 42, in dfs
    if any(visited[next_node] == order for next_node in edge):
                                                        ^^^^
TypeError: 'NoneType' object is not iterable

YES
YES

2
9 1
1 7
4 3
2 4
3 4
1 4

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 65, in <module>
    answer, count = dfs(start, visited, edges, count)
                    ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "Main.py", line 42, in dfs
    if any(visited[next_node] == order for next_node in edge):
                                                        ^^^^
TypeError: 'NoneType' object is not iterable

YES
YES

2
3 2
1 3
2 3
4 4
1 2
2 3
3 4
4 2

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 65, in <module>
    answer, count = dfs(start, visited, edges, count)
                    ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "Main.py", line 42, in dfs
    if any(visited[next_node] == order for next_node in edge):
                                                        ^^^^
TypeError: 'NoneType' object is not iterable

YES
NO