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Question #126 Difficulty: 2

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

    #include<iostream>

int foo()
{
  return 10;
}

struct foobar
{
  static int x;
  static int foo()
  {
    return 11;
  }
};

int foobar::x = foo();

int main()
{
    std::cout << foobar::x;
}

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