fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int isCpp()
  4. {
  5. #ifdef true
  6. #undef true
  7. #endif
  8.  
  9. #if true
  10.     return 1;
  11. #else
  12.     return 0;
  13. #endif
  14. }
  15.  
  16. int main(void)
  17. {
  18.     if (isCpp()) {
  19.         puts("C++");
  20.     } else {
  21.         puts("C");
  22.     }
  23.     return 0;
  24. }
  25.  
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
C++
https://ideone.com/b33fqr
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!