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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long double a,b;
  7. 	cin>>a>>b;
  8. 	cout<<(a+b)/2<<endl;
  9. 	if (a<0) {    
  10. 		a*=-1; 
  11. 	}
  12. 	if (b<0) {    
  13. 		b*=-1;
  14. 	}
  15. 	cout<<sqrt(a*b)<<endl;
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3460KB
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-278.295
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https://ideone.com/gX2mx1
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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