Question

Call each of the print functions in the main() using string double-pointers in the main

void print(string ** s){

            **s = "Hello";

            cout<< **s <<endl;

}

void print(string *x){

            *x = "World";

            cout<<*x<<endl;

}

Answer 1

#include <iostream>
#include <string>

using namespace std;

void print(string **s) {
    **s = "Hello";
    cout << **s << endl;
}

void print(string *x) {
    *x = "World";
    cout << *x << endl;
}

int main() {
    string str1, str2;
    string *s1 = &str1;
    string **s2 = &s1;
    print(s2);
    print(s1);
    return 0;
}