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

Using the Precision Specifier

Using the Precision Specifier

Aligning Output

Aligning Output
As you might have noticed in the previous section, all output is right-justified. In other words, by default, all output is placed on the right edge of the field, as long as the field width is longer than the width of the output.

 

Adding the Minimum Field Width

Adding the Minimum Field Width

Converting to Hex Numbers

Converting to Hex Numbers

Revisiting the printf() Function

Revisiting the printf() Function

The printf() function is the first C library function you used in this book to print out messages on the screen. printf() is a very important function in C, so it's worth it to spend more time on it.