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Question #284 Difficulty: 2

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

    #include <iostream>
#include <string>

auto main() -> int {
  std::string out{"Hello world"};
  std::cout << (out[out.size()] == '\0');
}

Hint:

In this regard, std::string does not behave like std::vector.

Answer:

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