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  1. #include <iostream>
  2. #include <algorithm> 
  3. #include <vector>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	double r, sum=0;
  8. 	int s;
  9. 	vector <double> x;
  10. 	vector <double> y;
  11. 	while(cin >> r){
  12. 		if(r<0){
  13. 			x.push_back(r);
  14. 		}
  15. 		else y.push_back(r);
  16. 	}
  17. 	s = min(x.size(), y.size());
  18. 	for(int i=0; i < s; i++){
  19. 		sum += x[i] * y.back(); /* умножение отрицательных чисел в порядке 
  20. 		следования на неотрицательные в обратном порядке */
  21. 		y.pop_back();
  22. 	}
  23. 	cout << sum;
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3416KB
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stdin
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-0.5 1 2 0.257 -4
stdout
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-8.1285
https://ideone.com/F2WGqL
A294
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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