how to answer the following questions The number of recursive calls that a method goes through before returning is called:  A. order of growth efficiency.  B. the depth of recursion. C. combinatorial recursive count. D. activation stack frame.   The following code is supposed to return the sum of the numbers between 1 and n inclusive, for positive n. An analysis of the code using the "Three Question" approach reveals that: int sum(int n){   if (n == 1)     return 1;   else     return (n + sum(n)); } A. it fails the base-case question.  B. it fails the smaller-caller question. C. it fails the general-case question. D. it passes on all three questions and is a valid algorithm.   If we cannot remove recursion because tail recursion does not exist, we can always remove it by using:  A. statically allocated activation records  B. a dynamic programming approach.  C. our own explicitly declared stack.  D. a carefully constructed loop

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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how to answer the following questions

The number of recursive calls that a method goes through before returning is called:  A. order of growth efficiency.  B. the depth of recursion.

C. combinatorial recursive count.

D. activation stack frame.
 

The following code is supposed to return the sum of the numbers between 1 and n inclusive, for positive n. An analysis of the code using the "Three Question" approach reveals that:

int sum(int n){

  if (n == 1)

    return 1;

  else

    return (n + sum(n));

}

A. it fails the base-case question.  B. it fails the smaller-caller question.
C. it fails the general-case question.
D. it passes on all three questions and is a valid algorithm.
 
If we cannot remove recursion because tail recursion does not exist, we can always remove it by using:  A. statically allocated activation records 

B. a dynamic programming approach.  C. our own explicitly declared stack.  D. a carefully constructed loop

 
 
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