You've answered 0 of 163 questions correctly. (Clear)

Question #338 Difficulty: 3

According to the C++17 standard, what is the output of this program? 

    #include <type_traits>
#include <iostream>
#include <string>

template<typename T>
int f()
{
    if constexpr (std::is_same_v<T, int>) { return 0; }
    else { return std::string{}; }
}

int main()
{
    std::cout << f<int>();
}

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.