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  1. #define xstr(xxx) str(xxx)
  2. #define str(xxx) #xxx
  3. #define mynumber 10
  4. #define stamp(num) "stamp n." xstr(num)
  5.  
  6. #include <iostream>
  7. using namespace std;
  8.  
  9. int main() 
  10. {
  11.   cout << stamp(mynumber) << endl;
  12.   return 0;
  13. }
Success #stdin #stdout 0s 15232KB
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stdin
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Standard input is empty
stdout
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stamp n.10
https://ideone.com/H8AtlT
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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