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  1. #include <iostream>
  2.  
  3. int main()
  4. {
  5. 	std::iostream io (nullptr);
  6. 	io.std::ostream::rdbuf(std::cout.rdbuf());
  7. 	io.std::istream::rdbuf(std::cin.rdbuf());
  8. 	int x;
  9. 	io >> x;
  10. 	io << "Input was " << x << std::endl;
  11. }
  12.  
Success #stdin #stdout 0s 3340KB
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stdin
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Standard output is empty
https://ideone.com/t9BGIS
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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