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Question #198 Difficulty:
According to the C++17 standard, what is the output of this program?
#include <iostream>
namespace A {
extern "C" { int x; }
};
namespace B {
extern "C" { int x; }
};
int A::x = 0;
int main() {
std::cout << B::x;
A::x=1;
std::cout << B::x;
}
Hint:
x
does not have implicit extern
specification.
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