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Question #277 Difficulty: 1

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

    #include <iostream>

int main() {
    std::cout << sizeof("");
}

Hint:

How does C/C++ know where a C-style string ends? Think about what for instance strlen() does, and what an empty string literal needs to look like for that to work.

Answer:

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