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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	vector <long double> x;
  7. 	int n;
  8. 	long double ans=0;
  9. 	cin >> n;
  10. 	x.resize(n);
  11. 	for(int i=0; i<n; i++) 
  12. 	{
  13. 		cin >> x[i];
  14. 	}
  15. 	for(int i=0; i<n; i++)
  16. 	{
  17. 		ans+=x[i]+1.0/x[i];
  18. 	}
  19. 	cout.precision(15);
  20. 	cout << fixed << ans;
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4268KB
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stdin
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1
10
stdout
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10.100000000000000
https://ideone.com/h3ULVG
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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