Question

In: Computer Science

Q1: Given the following code, what is returned by tq(4)? int tq(int num){ if (num ==...

Q1:

Given the following code, what is returned by tq(4)?

int tq(int num){

if (num == 0) return 0;

else

if (num > 100) return -1;

else

return num + tq( num – 1 );

}

Group of answer choices:

-1

10

Q2:

Given that values is of type LLNode<Integer> and references a linked list (non-empty) of Integer objects, what does the following code do if invoked as mystery(values)?

int mystery(LLNode<Integer> list)

{

if (list.getLink() == null)

return list.getInfo();

else

return mystery(list.getLink());

}

Group of answer choices:

returns sum of the numbers on the values list

returns the last number on the values list

returns 0

returns how many numbers are on the values list

Q3:

Given that values is of type LLNode<Integer> and references a linked list (possibly empty) of Integer objects, what does the following code do if invoked as mystery(values)?

int mystery(LLNode<Integer> list)

{

if (list == null)

return 0;

else

return 1 + mystery(list.getLink());

}

Group of answer choices:

returns 0

returns sum of the numbers on the values list

returns the last number on the values list

returns how many numbers are on the values list

Solutions

Expert Solution

venereology answered 1 year ago

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