aSc TimeTables - Constraints - OtherThis article is available in:
The children cannot finish after 8th period, there is no bus after period 8 on our school...
Question: the children cannot finish the school after 8th period. The have to finish either after 7th or 9th.
Now you have entered constraint that when there is a lesson on period 8, there must be also lesson on period 9 (because there must be at least two periods on 8-9, or 8-9 must be empty). So children can't finish on period 8, they have to stay till end of period 9.
This article was viewed 71297 times.42191 / 71297