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Chapter 4 Answers to Selected Exercises 2. [was #2] Not in C89. Suppose that i is 9 and j is 7. The value of (-i)/j could be either –1 or –2, depending on the implementation. On the other hand, the value of -(i/j) is always –1, regardless of the implementation. In C99, on the other hand, the value of (-i)/j must be equal to the value of -(i/j). 9. [was #6] (a) 63 8 (b) 3 2 1 (c) 2 -1 3 (d) 0 0 0 13. [was #8] The expression ++i is equivalent to (i += 1). The value of both expressions is i after the increment has been performed. Answers to Selected Programming Projects 2. [was #4] #include <stdio.h> int main(void) { int n; printf("Enter a three-digit number: "); scanf("%d", &n); printf("The reversal is: %d%d%d\n", n % 10, (n / 10) % 10, n / 100); return 0; } Copyright © 2008, 1996 W. W. Norton & Company, Inc. All rights reserved.

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