- #include <iostream> 
- #include <vector> 
- #include <cmath> 
- using namespace std; 
-   
- int main() { 
- 	vector <long double> v; 
- 	long double a, average=0; 
- 	while(cin>>a){ 
- 		average+=a; 
- 		v.push_back(a); 
- 	} 
- 	average/=v.size(); 
- 	cout<<average<<'\n'; 
- 	for(int i=0; i<v.size(); i++)cout<<abs(v[i]-average)<<' '; 
- 	return 0; 
- } 
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