C Primer Plus®, Third Edition

Review Questions

1. Find the value of quack after each line.

   int quack = 2;
   quack += 5;
   quack *= 10;
   quack -= 6;
   quack /= 8;
   quack %;= 3;
   

2. What output would the following loop produce?

   for ( value = 36; value > 0; value /=2)
         printf("%3d", value);
   

3. Represent each of the following test conditions:

   1. x is greater than 5.

   2. scanf() attempts to read a single double (called x) and fails.

   3. x has the value 5.

4. Represent each of the following test conditions:

   1. scanf() succeeds in reading a single integer __________________________

   2. x is not 5 ____________________

   3. x is 20 or greater ___________________________

5. You suspect that the following program is not perfect. What errors can you find?

    #include <stdio.h> int main(void) { /* line 3 */ int i, j, list(10); /* line ...