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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. pair<double, double> SumDob (double a, double b){
  6. 	return make_pair(a + b, a * b);
  7. }
  8.  
  9. int main() {
  10. 	int n;
  11. 	cin>>n;
  12. 	while (n--){
  13. 		double a, b;
  14. 		cin>>a>>b;
  15. 		cout<<fixed<<setprecision(4)<<SumDob(a,b).first<<" "<<SumDob(a,b).second<<endl;
  16. 	}
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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2
6 7.5
2.1 2.0
stdout
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13.5000 45.0000
4.1000 4.2000
https://ideone.com/ldqvIZ
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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