In-class discussion Discuss the following questions with students around you. 1. Is it a good choice to use the getline() function to read the input files for this program? Why? 2. Do we need a getter/setter for each of the member variables? 3. What should the main function do? 4. When allocating memory for the two matries, do we need to initialize each element of the matrix? 5. What components of this program will use heap memory? 6. Where in the program shall we call delete so as to release the allocated heap memory?