Write the complete class declaration for the class Advance. Include all necessary instance variables and implementations of its constructor and method(s). The constructor should take a parameter that indicates the number of days in advance that this ticket is being purchased. Tickets purchased ten or more days in advance cost 30; tickets purchased nine or fewer days in advance cost40. Write the complete class declaration for the class StudentAdvance. Include all necessary instance variables and

C Program to add two numbers without addition operator