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  1. #include <iostream>
  2.  
  3. int main() {
  4.     long standard = __cplusplus;
  5.  
  6.     if (standard == 199711L) {
  7.         std::cout << "Standard: C++98" << std::endl;
  8.     } else if (standard == 201103L) {
  9.         std::cout << "Standard: C++11" << std::endl;
  10.     } else if (standard == 201402L) {
  11.         std::cout << "Standard: C++14" << std::endl;
  12.     } else if (standard == 201703L) {
  13.         std::cout << "Standard: C++17" << std::endl;
  14.     } else if (standard == 202002L) {
  15.         std::cout << "Standard: C++20" << std::endl;
  16.     } else {
  17.         std::cout << "Standard: Unknown or newer/older preview (" << standard << ")" << std::endl;
  18.     }
  19.  
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5324KB
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Standard input is empty
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Standard: C++14
https://ideone.com/6HGnmB
language:
C++14 (clang 8.0)
created:
9 hours ago
visibility:
public

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