Question $1$:

$(10$ Points$)$

KFUPM decides to open a company called Fly$-$KFUPM. A study concluded that Fly$-$

KFUPM must have the shown flights per day:

The airline has the following rules:

There is about $30$ min cleaning time and boarding time for each flight

Fly$-$KFUPM has its base in Dammam and Riyadh $($Airplane can be parked and

stay overnight in a base only$)$

What is the minimum number of planes that you recommend for Fly$-$KFUPM,

support your answer with evidence by using CSP$?($hint: use MRV to solve the

problem$)$

Solve the problem fully by providing all the variables, domains, constraints and give an evidence that the lower number is incorrect