2019/quals/service_trees_sample_input.txt

6
3 1
1 2 3
3 3
1 2 2
2 3 3
3 1 1
4 2
2 1 2
1 4 3
6 3
2 4 3
6 5 4
1 2 6
7 4
7 3 5
4 1 2
6 3 6
6 4 5
12 9
1 5 7
11 2 6
9 4 12
8 12 6
10 1 7
4 3 12
3 10 6
8 11 8
2 5 10