You've answered 0 of 163 questions correctly. (Clear)
Question #225 Difficulty:
According to the C++17 standard, what is the output of this program?
#include <iostream>
struct X {
X() { std::cout << "1"; }
X(const X &) { std::cout << "3"; }
~X() { std::cout << "2"; }
void f() { std::cout << "4"; }
} object;
int main() {
X(object);
object.f();
}
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
Android app
Get Sergey Vasilchenko's CppQuiz Android app.