Unable to dry run this testcase?
Try making a new request with small values of n_high, t_high, *_high, etc.

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

4
1 2
2 3
3 5
4 5
-1

-1
-1