제출 #21924

3
1 2
2 3
2
2 1
2 1

0
0

1
1

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

0
0
0

3
2
1

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

0
1
1
1

1
1
1
1