8. Know how to do these, to trace functions like these and to debug functions like these: // recursive power , compute xn int exp(int x, int n){ if(n== return return *exp } void main(){ int a,b; cin >>a>>b; cout<>a; rev_print(a); }

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter15: Recursion
Section: Chapter Questions
Problem 6PE
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8. Know how to do these, to trace functions like these and to debug functions like these:
// recursive power , compute xn
int exp(int x, int n){
if(n==
return
return
*exp(
);
}
void main(){
int a,b;
cin >>a>>b;
cout<<endl<<exp(a,b)<<endl;
}
// recursive print of a string
void print(char* s){
if(*s==
return;
cout<<*s;
print
);
}
void main(){
char a[6]="hello";
print(a);
}
// recursive reverse print of a string
void rev_print(char* s){
if(*s==
return;
}
void main(){
char a[100];
cin>>a;
rev_print(a);
}
Transcribed Image Text:8. Know how to do these, to trace functions like these and to debug functions like these: // recursive power , compute xn int exp(int x, int n){ if(n== return return *exp( ); } void main(){ int a,b; cin >>a>>b; cout<<endl<<exp(a,b)<<endl; } // recursive print of a string void print(char* s){ if(*s== return; cout<<*s; print ); } void main(){ char a[6]="hello"; print(a); } // recursive reverse print of a string void rev_print(char* s){ if(*s== return; } void main(){ char a[100]; cin>>a; rev_print(a); }
// recursive reverse print of an integer
void rev_print(int n){
if(n/10==0){
cout<<n%10;
return;
}
cout<<
rev_print(
void main(){
int a;
cin>>a;
rev_print(a);
}
// recursive print of an integer
void print(int n){
if(n/10==0){
cout<<n%10;
return;
}
print(
);
cout<<
}
void main(){
int a;
cin>>a;
print(a);
}
Transcribed Image Text:// recursive reverse print of an integer void rev_print(int n){ if(n/10==0){ cout<<n%10; return; } cout<< rev_print( void main(){ int a; cin>>a; rev_print(a); } // recursive print of an integer void print(int n){ if(n/10==0){ cout<<n%10; return; } print( ); cout<< } void main(){ int a; cin>>a; print(a); }
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