HCT needs to schedule the following classes so that no classes can be at the same time if they are being taught by the s

[answerhappygod]

HCT needs to schedule the following
classes so that no classes can be at the same time if they are
being taught by the same teacher or they have common students.
This is the vertices start with
octagon.
You need to consider the
following:
Information of edges.
Put all of 4 edges in year 1000.
Use your knowledge in Graph coloring
to solve this problem, create the schedule and identify how many
time slots will be needed to schedule the classes.