C Primer Plus®, Third Edition

Review Questions

1. Which data type would you use for each of the following kinds of data?

   1. The population of Rio Frito.

   2. The average weight of a Rembrandt painting.

   3. The most common letter in this chapter.

   4. The number of times that the letter occurs in this chapter.

2. Why would you use a type long variable instead of type int?

3. Identify the type and meaning, if any, of each of the following constants:

   1. '\b'

   2. 1066

   3. 99.44

   4. 0XAA

   5. 2.0e30

4. Virgila Ann Xenopod has concocted an error-laden program. Help her find the mistakes.

   include <stdio.h>
   main
   (
    float g; h;
    float tax, rate;
    g = e21;
    tax = rate*g;
   )
   

5. Identify the data type (as used in declaration statements) and the printf() format specifier for each of the following constants:

   Constant	Type	Specifier
   a. 12