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  1. #include <string>
  2. #include <iostream>
  3.  
  4. #define CONCAT3(x, y, z) x ## y ## z
  5. #define CONCAT(x, y, z) CONCAT3(x, y, z)
  6.  
  7. #define HELLO 100L
  8.  
  9. #define QUOTE() "
  10.  
  11. const std::string Goodbye(CONCAT(QUOTE(), HELLO, QUOTE()));
  12.  
  13. int main(int argc, char **argv)
  14. {
  15.     std::cout << Goodbye << '\n';
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 3016KB
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stdin
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Standard input is empty
stdout
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100L
https://ideone.com/4L6b2x
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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