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  1. #include <iostream>
  2.  
  3. template<const unsigned N>
  4. struct Factorial
  5. {
  6.     enum V
  7.     {
  8.         val = N * Factorial<N-1>::val
  9.     };
  10. };
  11. template<>
  12. struct Factorial<1>
  13. {
  14.     enum V
  15.     {
  16.         val = 1
  17.     };
  18. };
  19.  
  20. int main()
  21. {
  22. 	std::cout << Factorial<5>::val << std::endl;
  23. }
Success #stdin #stdout 0.02s 2724KB
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stdin 
Standard input is empty
stdout 
120
https://ideone.com/tEb5G
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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