제출 #85735

8
21
5 4
5 6
6 4
4 2
1 3
4 1
3 6
2 1
3 4
5 8
2 8
8 6
4 8
5 1
7 5
7 1
2 3
2 7
7 6
3 5
7 8

-1

7

2
0

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 13, in <module>
    a, b = map(int, input().split())
ValueError: not enough values to unpack (expected 2, got 0)

0

4
1
4 3

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 14, in <module>
    graph[a].append(b)
IndexError: list index out of range

0

5
1
4 2

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 13, in <module>
    a, b = map(int, input().split())
ValueError: not enough values to unpack (expected 2, got 0)

0