In Gallap Park at Ann Arbor, there is one lane bridge. Vehicles coming from the northeast and the southwest arrive at this one-lane bridge. Vehicles heading in the same direction can cross the bridge at the same time, but vehicles heading in opposite directions cannot. And, if there are ever more than two vehicles on the bridge at one time, the bridge will collapse under their weight. If a vehicle arrives at the bridge, the number of vehicles on the bridge is less than two and they all head in the same directions, this new vehicle should be allowed to cross the bridge without waiting. Use semaphore to coordinate vehicles' crossing the one-lane bridge. Write it in a pseudo code format as we did in class.

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Design a payroll class with the following fields: • name: a string containing the employee's name • idnumber: an int representing the employee's id number • rate: a double containing the employee's hourly pay rate • hours: an int representing the number of hours this employee has worked the class should also have the following methods: • constructor: takes the employee's name and id number as arguments • accessors: allow access to all of the fields of the payroll class • mutators: let the user assign values to the fields of the payroll class • grosspay: returns the employee's gross pay, which is calculated as the number of hours worked times the hourly pay rate. write another program that demonstrates the class by creating a payroll object, then asking the user to enter the data for an employee in the order: name, id number, rate, hours. the program should then print out a statement in the following format (for example, if you had an employee named chris jacobsen with id number 11111, who works for 5 hours at $10/hr): chris jacobsen, employee number 11111, made $50.00 in gross pay. using text forming so that the gross pay is rounded to two decimal places.