Translate the following into good C: "If 1 does not equal 42, print
out `Thank heavens for mathematics!' "
Write a program to get a lot of numbers from the user and print out the
maximum and minimum of those.
Write an automatic teller machine program that simulates telling you
your bank balance when you enter your account number and PIN number, but
otherwise displays an error.
Write a mock program for a car computer that tells you how many
kilometers to the liter you're getting when you enter how many liters of
gas you've used and how far you travelled.
