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  1. #include <iostream>
  2. #include <vector>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	double a=0,s=0,z;
  8. 	int y;
  9. 	vector<int> x;
  10. 	while(cin>>z){
  11. 		x.push_back(z);
  12. 	}
  13. 	for (int i=0;i<x.size();i++){
  14. 		a+=x[i];
  15. 	}
  16. 	a=a/x.size();
  17. 	for (int i=0;i<x.size();i++){
  18. 		s=s+(a-x[i])*(a-x[i]);
  19. 	}
  20. 	s=s/(x.size()-1);
  21. 	s=sqrt(s);
  22. 	cout<<a<<" ";
  23. 	cout<<s<<" ";
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin 
2 8 3 4 5 6 7 9 11 15 17 12 19 7 5 1 7 9 19 14
stdout 
9 5.45797
https://ideone.com/U60oim
A271
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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