since party of 4 clearly takes <60 minutes,
so we can schedule the part of 4 for bench 1 at time 0, and it will be still available at time=60 minutes to
be scheduled again.
The correct output to the sample input is the following.
Code: Select all
1 0
1 0
2 0
3 0
4 0
3 57
11 12 13 14 15 0
Impossible