You've answered 0 of 169 questions correctly. (Clear)

Question #229 Difficulty: 3

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

    #include <iostream>

int a = 1;

int main() {
    auto f = [](int b) { return a + b; };

    std::cout << f(4);
}

Hint:

Only local variables may be captured.

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