A(int x) { this?

What happens when you attempt to compile and run the following code?

#include <iostream>

#include <string>

using namespace std;

class A {

public:

int x;

A() { x=0;}

A(int x) { this?>x=x;}

};

class B: private A {

public:

using A:x;

B() { x=1;}

B(int x) {this?>x = x;}

};

int main () {

B c1;

B c2(?5);

cout << c1.x;

cout << c2.x;

return 0;

}
A . It prints: 5
B . It prints: 1?5
C . It prints: 05
D . It prints: 0

View Answer

Answer: B