Exercise Sheet 1

IN3013/INM173 - Object-Oriented Programming in C++

The practical work for this course will be done on the University's Unix systems. We'll be using the GNU C++ compiler (g++) and a text editor. One possibility is nedit, which does syntax highlighting for various languages, including C++ and Java.

1. Create a new directory for this week's exercises. In that directory, create a text file hello.cc containing the ``hello world'' program from the lecture. (Our C++ source files will always end in ``.cc''; other systems use different conventions.)

2. Compile the program with the command

       make hello
   

   This will create an executable file called hello, which you can run by typing

       ./hello
   

   If you make any changes, you'll need to type ``make hello'' again before running the new version.

3. Do the same with the words program, calling it words.cc. To run it reading input from a file, say

       ./words <file
   

   where file is some text file; words.cc itself will do.

4. Now alter the words program to just print the count of words in the input (followed by a newline).

5. Write a program using getline from the lectures to count the number of lines in the input.

6. Make a copy of that program, and modify the copy to print out the longest line of the input.

7. Make a copy of that program, and modify the copy to store the lines of the input in a vector, and then print them out in reverse order.