career_cup_13_1

Write a method to print the last K lines of an input file using C++.
career_cup_13_4

What is the difference between deep copy and shallow copy? Explain how
you would use each.
career_cup_13_7

Why does a destructor in base class need to be declared virtual?
career_cup_13_8

Write a method that takes a pointer to a Node structure as a parameter
and returns a complete copy of the passed-in data structure. The Node
structure contains two pointers to other Node structures.