Ian McGrath questions

• Differences: A* a=new A(); vs. A b; A *c=&b;
• Design data structure for Employee-Manager
• Why does second printf print 0
• Why is HashSet size 3 after adding 4 objects?
• Using unique_ptr instead of shared_ptr in BST
• Correct way to return stl map by reference / Is this behavior well defined?
• Difference between Category Home and Category Launcher

Ian McGrath answers