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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long long fib[45],i,sum=0;
  7. 	float logtest;
  8. 	fib[0]=0;
  9. 	fib[1]=1;
  10. 	for(i=2;i<45;i++)
  11. 		fib[i]=fib[i-1]+fib[i-2];
  12. 	for(i=0;i<45;i++)
  13. 		{
  14. 			logtest=log10(fib[i]);
  15. 			if(logtest-long(logtest)==0)
  16. 				sum+=fib[i];
  17. 		}
  18. 	cout<<sum;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3140KB
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https://ideone.com/mX0Lk8
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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