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  1. #include <iostream>
  2.  
  3. constexpr int foo(int x)
  4. {
  5.     return 2 * x;
  6. }
  7.  
  8. int main()
  9. {
  10.     int x = 0;
  11.     std::cin >> x;
  12.     std::cout << foo(x);
  13. }
Success #stdin #stdout 0s 2856KB
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https://ideone.com/jwDI9S
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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