제출 #65571

3 1 3
3 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 62, in <module>
    print(' '.join(dfs_result))
TypeError: sequence item 0: expected str instance, int found

3 1 
3 1 

3 2 2
1 3
3 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 60, in <module>
    dfs(graph, dfs_visited, V)
  File "Main.py", line 37, in dfs
    for child_node in graph[node]: 
KeyError: 2

2 
2 

4 2 3
1 3
2 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 62, in <module>
    print(' '.join(dfs_result))
TypeError: sequence item 0: expected str instance, int found

3 1 2 
3 1 2