fork(2) download
copy 
  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 sqrtest;
  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. 			sqrtest=sqrt(fib[i]);
  15. 			if(sqrtest-long(sqrtest)==0)
  16. 				sum+=fib[i];
  17. 		}
  18. 	cout<<sum;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3140KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
146
https://ideone.com/Vl3L7I
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!