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  1. #include <iostream>
  2.  
  3. int main() {
  4.     #if __cplusplus >= 202002L
  5.         std::cout << "C++20 or newer\n";
  6.     #elif __cplusplus >= 201703L
  7.         std::cout << "C++17\n";
  8.     #elif __cplusplus >= 201402L
  9.         std::cout << "C++14\n";
  10.     #elif __cplusplus >= 201103L
  11.         std::cout << "C++11\n";
  12.     #else
  13.         std::cout << "Older than C++11\n";
  14.     #endif
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5280KB
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Standard input is empty
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C++14
https://ideone.com/pEH5RY
language:
C++ 4.3.2 (gcc-4.3.2)
created:
119 days ago
visibility:
public

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