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

Adding More Expressions into for

Adding More Expressions into for

The C language allows you to put more expressions into the three expression fields in the for statement. Expressions in a single expression field are separated by commas.

The Null Statement

The Null Statement

Looping Under the for Statement

Looping Under the for Statement

The general form of the for statement is

for (expression1; expression2; expression3) {
   statement1;
   statement2;
   .
   .
   .
}

Using Nested Loops

Using Nested Loops

You can put a loop inside another one to make nested loops. The computer will run the inner loop first before it resumes the looping for the outer loop.

Listing 7.7 is an example of how nested loops work.

 

The do-while Loop

The do-while Loop

You may note that in the for and while statements, the expressions are set at the top of the loop. However, in this section, you're going to see another statement used for looping,