제출 #115072

5
5
1 2 1
2 3 2
2 4 1
3 5 1
4 5 3
1 5

5

4

2
1
2 1 72
2 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 15, in <module>
    arr[u].append([w, v])
    ~~~^^^
IndexError: list index out of range

72

6
1
6 1 53
6 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 15, in <module>
    arr[u].append([w, v])
    ~~~^^^
IndexError: list index out of range

53

3
2
2 1 61
3 2 9
2 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 15, in <module>
    arr[u].append([w, v])
    ~~~^^^
IndexError: list index out of range

61