Exercises : Answer these Questions

Submitted by tushar pramanick on Mon, 02/25/2013 - 09:57

Exercises

  1. Given two statements, x = 3; and y = 5 + x;, how can you build a statement block with the two statements?

  2. What is wrong with the following function?

 int 3integer_add( int x, int y, int z)
    {
       int sum;
       sum = x + y + z;
       return sum;
    }  


3. What is wrong with the following function?

    int integer_add( int x, int y, int z)
    {
       int sum;
       sum = x + y + z
       return sum;
    }

 

4. Write a C function that can multiply two integers and return the calculated result.
5. Write a C program that calls the C function you just wrote in exercise 4 to calculate the multiplication of 3 times 5 and then print out the return value from the function on the screen.

 

Workshop

To help solidify your understanding of this hour's lesson, you are encouraged to answer the quiz questions and finish the exercises provided in the Workshop before you move to the next lesson. The answers and hints to the questions and exercises are given in Appendix E, "Answers to Quiz Questions and Exercises."

 

কুইজ

  1. In the C language, is 74 a constant? How about 571?
  2. Is x = 570 + 1 an expression? How about x = 12 + y?
  3. Are the following function names valid?

              2methods
              m2_algorithm
              *start_function
              Room_Size
              .End_Exe
              _turbo_add

 

    4. Is 2 + 5 * 2 equal to (2 + 5) * 2?
    5. Does 7 % 2 produce the same result as 4 % 3?

 

Related Items

The main() Function, return statement in C Programming

The main() Function
In line 4 of Listing 2.1, you see this function:

The exit() Function in C Programming

The exit() Function

There is also a C library function, exit(), that can be used to cause a program to end. Because the exit() function is defined in a header file, stdlib.h, you have to include the header file at the beginning of your program।

The void Data Type in C Programming

The void Data Type

You may notice that the void word has been added into the C program in Listing 2.2. void is a keyword for a data type in C. When a void is placed prior to a function name, it indicates that the function does not return a value.

#include Directive and Header Files in C Programming

The #include Directive
Let's now move to line 2 in the C program of Listing 2.1:

Compiling and Linking C Programs

Compiling and Linking