int powa(int x, int n) { (n=1){ return x; } else { return x* powa(x, n - 1); void main( { int val; val - pow(2,3);

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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A recursive power program is given below.
int powa(int x, int n) {
if (n=1) {
return x;
} else {
return x * powa(x, n - 1);
void main) {
int val;
val = pow(2,3);
%3D
The contents of stack before the call of pow(2,3) in main and after 1 recursive call is given below:
ARI for main
| Local yal
Functional value
Parameter x
Parameter n
Dynamic link
Static link
Retum (to main)
Local val
First ARI for
powa
2
3
ARI for main
a) Show the contents of the stack after each recursive call until you reach the base case.
b) Show the contents of the stack after each return until you reach back to the main function.
Transcribed Image Text:A recursive power program is given below. int powa(int x, int n) { if (n=1) { return x; } else { return x * powa(x, n - 1); void main) { int val; val = pow(2,3); %3D The contents of stack before the call of pow(2,3) in main and after 1 recursive call is given below: ARI for main | Local yal Functional value Parameter x Parameter n Dynamic link Static link Retum (to main) Local val First ARI for powa 2 3 ARI for main a) Show the contents of the stack after each recursive call until you reach the base case. b) Show the contents of the stack after each return until you reach back to the main function.
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