C++ programming

I have a few questions that I need answers too, they are not big programs, but really need help to teach my little sister as i'm trying to learn them with in my next 3 months, i really need help in the following wuestions below..

object oriented programming with c++
1. give a coded example of overloading the extration and insertion operations.

2. give an example of constructor and destrutor in derived class..
3 write a c ++ progrem to find the area of a rectangle using a class.
4. create a class time that has a seprate data members for day , month and year. a constructor should be used to initialise these members. then write a function to add these dates and store the result in a third object and display it.