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  1. #include <iostream>
  2. #include <ctime>
  3. #include <cmath>
  4.  
  5. int main() /// Du benutzt keine Kommandozeilenparameter, weg damit
  6. {
  7. int prime = 7;
  8. clock_t secs = clock();
  9.  
  10. for(unsigned ct = 0;ct < 1e8;++ct)
  11. volatile int tmp = prime * prime * prime;
  12.  
  13. std::cout << clock() - secs << '\n';
  14. secs = clock();
  15.  
  16. for(unsigned ct = 0;ct < 1e8;++ct)
  17. volatile int tmp = pow(prime, 3);
  18.  
  19. std::cout << clock() - secs << '\n';
  20. }
  21.  
  22.  
Success #stdin #stdout 2.33s 2928KB
stdin
Standard input is empty
stdout
1160000
1160000