Consider the following function with a loop: // Pre: n > 8 is a natural number...
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Consider the following function with a loop: // Pre: n > 8 is a natural number // Post: returns the value of n^2 int square(int n) { r = 0; k = 0; while (k <n) { r=r + 2 * k + 1; k = k + 1; } return ri Is k < n a valid loop invariant? Why or why not? Choose one from below. O A. k < n is NOT a valid loop invariant because it is not true before entering the loop O B. k < n is NOT a valid loop invariant because it is not true at the ends of all iterations O C. k < n is NOT a valid loop invariant because it is always false. O D. k < n is a valid loop invariant because it is true as long as we're in the loop Consider the following function with a loop: // Pre: n>8 is a natural number // Post: returns the value of n^2 int square(int n) { r = 0; k = 0; while (k <n) { r = r + 2 k + 1; k = k + 1; } return ri Is k < n a valid loop invariant? Why or why not? Choose one from below. O A. k < n is NOT a valid loop invariant because it is not true before entering the loop O B. k < n is NOT a valid loop invariant because it is not true at the ends of all iterations O C. k < n is NOT a valid loop invariant because it is always false. O D. k < n is a valid loop invariant because it is true as long as we're in the loop Consider the following function with a loop: // Pre: n > 8 is a natural number // Post: returns the value of n^2 int square(int n) { r = 0; k = 0; while (k <n) { r=r + 2 * k + 1; k = k + 1; } return ri Is k < n a valid loop invariant? Why or why not? Choose one from below. O A. k < n is NOT a valid loop invariant because it is not true before entering the loop O B. k < n is NOT a valid loop invariant because it is not true at the ends of all iterations O C. k < n is NOT a valid loop invariant because it is always false. O D. k < n is a valid loop invariant because it is true as long as we're in the loop Consider the following function with a loop: // Pre: n>8 is a natural number // Post: returns the value of n^2 int square(int n) { r = 0; k = 0; while (k <n) { r = r + 2 k + 1; k = k + 1; } return ri Is k < n a valid loop invariant? Why or why not? Choose one from below. O A. k < n is NOT a valid loop invariant because it is not true before entering the loop O B. k < n is NOT a valid loop invariant because it is not true at the ends of all iterations O C. k < n is NOT a valid loop invariant because it is always false. O D. k < n is a valid loop invariant because it is true as long as we're in the loop
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Related Book For
Computer Systems A Programmers Perspective
ISBN: 9781292101767
3rd Global Edition
Authors: Randal E. Bryant, David R. O'Hallaron
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