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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. int main(){
  5.     long long n = 40;
  6.  
  7.     double fact = pow(M_E, -n) * pow(n, n) * sqrt(2 * n * M_PI);
  8.     double power = pow(n, 20);
  9.  
  10.     std::cout << "n!   = " << fact << std::endl;
  11.     std::cout << "n^20 = " << power << std::endl;
  12.     std::cout << "n! + n^20 = " << fact + power << std::endl;
  13. }
Success #stdin #stdout 0s 3140KB
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stdout
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n!   = 8.14217e+47
n^20 = 1.09951e+32
n! + n^20 = 8.14217e+47
https://ideone.com/tWEuNe
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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