Sams Teach Yourself C in 21 Days

Basic Program Control 145

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4. Is it true that a whilestatement can be used and still get the same results as coding
   aforstatement?


5. What must you remember when nesting statements?


6. Can a whilestatement be nested in a do...whilestatement?


7. What are the four parts of a forstatement?


8. What are the two parts of a whilestatement?


9. What are the two parts of a do...whilestatement?

Exercises ........................................................................................................

1. Write a declaration for an array that will hold 50 type longvalues.


2. Show a statement that assigns the value of 123.456to the 50th element in the array
   from exercise 1.


3. What is the value of xwhen the following statement is complete?
   for (x = 0; x < 100, x++) ;


4. What is the value of ctrwhen the following statement is complete?
   for (ctr = 2; ctr < 10; ctr += 3) ;


5. How many Xs does the following print?
   for (x = 0; x < 10; x++)
   for (y = 5; y > 0; y--)
   puts(“X”);


6. Write a forstatement to count from 1 to 100 by 3s.


7. Write a whilestatement to count from 1 to 100 by 3s.


8. Write a do...whilestatement to count from 1 to 100 by 3s.
   9.BUG BUSTER:What is wrong with the following code fragment?
   record = 0;
   while (record < 100)
   {
   printf( “\nRecord %d “, record );
   printf( “\nGetting next number...” );
   }
   10.BUG BUSTER:What is wrong with the following code fragment? (MAXVALUESis
   not the problem!)
   for (counter = 1; counter < MAXVALUES; counter++);
   printf(“\nCounter = %d”, counter );

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