C Primer Plus (5th Edition)

Programming Exercises

1. Find out what your system does with integer overflow, floating-point overflow, and floating-point underflow by using the experimental approach; that is, write programs having these problems.

2. Write a program that asks you to enter an ASCII code value, such as 66, and then prints the character having that ASCII code.

3. Write a program that sounds the alert and then prints the following text:

   Startled by the sudden sound, Sally shouted, "By the Great Pumpkin, what was that!"

4. Write a program that reads in a floating-point number and prints it first in decimal-point notation and then in exponential notation. Have the output use the following format:

   The input is 21.290000 or 2.129000e+001.

5. There are approximately 3.156 — 10 ⁷ seconds in a year. Write a program that requests your age in years and then displays the equivalent number of seconds.

6. The mass of a single molecule of water is about 3.0 — 10 ^{- 23} grams. A quart of water is about 950 grams. Write a program that requests an amount of water, in quarts, and displays the number of water molecules in that amount.