You've answered 0 of 177 questions correctly. (Clear)

Question #221 Difficulty: 1

According to the C++23 standard, what is the output of this program? 

    #include <iostream>

struct C {
    int& i;
};

int main() {
    int x = 1;
    int y = 2;

    C c{x};
    c.i = y;

    std::cout << x << y << c.i;
}

Hint:

Note that C.i is a reference. What happens when we assign a new value to a reference?

Answer:

Problems? View a hint or try another question.

I give up, show me the answer (make 3 more attempts first).

Mode : Training

You are currently in training mode, answering random questions. Why not Start a new quiz? Then you can boast about your score, and invite your friends.

Contribute

Create your own!

Android app

Get Sergey Vasilchenko's CppQuiz Android app.

C++ Brain Teasers

Get the book, support the site! C++ Brain Teasers cover