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  1. #include<iostream>
  2.  
  3. template<unsigned int X, unsigned int N>
  4. struct Power
  5. {
  6.  static const unsigned int value = X * Power<X,N-1>::value;
  7. };
  8.  
  9. template<unsigned int X>
  10. struct Power<X,0>
  11. {
  12.   static const unsigned int value = 1;
  13. };
  14.  
  15. int main ()
  16. {
  17.   std::cout << "Power<5,4> = " << Power<5,4>::value << "\n";
  18. }
  19.  
Success #stdin #stdout 0s 2896KB
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Standard input is empty
stdout
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Power<5,4> = 625
https://ideone.com/vY3yPz
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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