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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4. 	int n;cin>>n;
  5. 	double s=0;
  6. 	for(double i=1;i<=n;i++){
  7. 		double cc=((2*i+1)/(2*i+2));
  8. 		s+=cc;
  9. 	}
  10. 	cout<<s;
  11. }
Success #stdin #stdout 0s 5280KB
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Standard input is empty
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32760
https://ideone.com/mb9YBK
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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