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Question #29 Difficulty:
According to the C++17 standard, what is the output of this program?
#include <iostream>
struct A {
A() { foo(); }
virtual ~A() { foo(); }
virtual void foo() { std::cout << "1"; }
void bar() { foo(); }
};
struct B : public A {
virtual void foo() { std::cout << "2"; }
};
int main() {
B b;
b.bar();
}
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