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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. #include <cstdlib>
  5. #include <ctime>
  6. #include <functional>
  7. int main() 
  8. {
  9.  
  10. 	int n, m;
  11. 	std::cin >> n >> m;
  12. 	double v[n] ;
  13. 	double k ;
  14. 	for (int i = 0; i < n; ++i) 
  15.         {
  16. 		std::cin >> k;
  17. 		v[i] = k;
  18. 	}
  19.      int i = sizeof(v) / sizeof(v[0]);  
  20.     std::sort(v, v+i); 
  21.     double sum = 0.0;
  22.  
  23. 	for(int i = n-m; i < n; ++i){
  24. 		sum += v[i];
  25. 	}
  26.  
  27. 	std::cout << sum;
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 4536KB
comments (?)
stdin
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6 4 
1.0 2.5 2.5 7.0 2.0 3.0
stdout
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15
https://ideone.com/nn9nas
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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