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  1. #include <iostream>
  2. #include <chrono>
  3. #include <iomanip>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	auto start2 = std::chrono::high_resolution_clock::now();
  8. 	long ans2 = 0;
  9. 	for(int i = 0; i<100090005; ++i){
  10. 		if(i%2 == 1)
  11. 		ans2 += i;
  12. 	}
  13. 	auto finish2 = std::chrono::high_resolution_clock::now();
  14.  
  15.  
  16. 	auto start = std::chrono::high_resolution_clock::now();
  17. 	long ans = 0;
  18. 	for(int i = 0; i<100090005; ++i){
  19. 		if(i&1)
  20. 		ans += i;
  21. 	}
  22. 	auto finish = std::chrono::high_resolution_clock::now();
  23.  
  24.  
  25.  
  26.  
  27. 	cout<<"Execution Time for &: "<< std::chrono::duration_cast<std::chrono::nanoseconds>(finish-start).count() <<" ns"<<endl;
  28. 	cout<<"Execution Time for % ==: "<<  std::chrono::duration_cast<std::chrono::nanoseconds>(finish2-start2).count() <<" ns"<<endl;
  29. 	return 0;
  30.  
  31. }
Success #stdin #stdout 0.01s 5516KB
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Standard input is empty
stdout
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Execution Time for &: 39 ns
Execution Time for % ==: 132 ns
https://ideone.com/YQoR4N
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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