제출 #60895

7
1 2
2 3
3 4
1 5
5 6
1 7
4
1 4
7 2
7 5
6 7

0
1
1
1

1
1
1
1

9
1 2
2 3
2 4
2 5
3 6
3 7
3 8
5 9
6
7 2
9 7
1 1
1 6
5 6
6 8

2
2
1
0
2
3

2
2
1
1
2
3

8
1 2
2 3
3 4
2 5
1 6
2 7
5 8
9
6 2
1 1
4 1
4 8
7 4
8 4
8 1
8 8
5 1

1
1
0
2
2
2
0
8
1

1
1
1
2
2
2
1
8
1

10
1 2
2 3
3 4
2 5
1 6
4 7
7 8
8 9
6 10
1
6 7

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 55, in <module>
    ans.append(str(lca(parent, depth, a, b, max_depth)))
  File "Main.py", line 32, in lca
    if parent[a][k] != parent[b][k]:
KeyError: 0

1

9
1 2
1 3
1 4
4 5
2 6
6 7
7 8
3 9
4
8 5
4 8
5 4
3 7

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 55, in <module>
    ans.append(str(lca(parent, depth, a, b, max_depth)))
  File "Main.py", line 32, in lca
    if parent[a][k] != parent[b][k]:
KeyError: 0

1
1
4
1

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

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 55, in <module>
    ans.append(str(lca(parent, depth, a, b, max_depth)))
  File "Main.py", line 32, in lca
    if parent[a][k] != parent[b][k]:
KeyError: 0

2
1
2
3
2