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  1. #include <iostream>
  2. #include <cmath>
  3. #include<array>
  4. #include<string>
  5. #include<algorithm>
  6. #include<cstdlib>
  7. #include <string.h>
  8.  
  9.  
  10. using namespace std;
  11.  
  12. int main()
  13. {
  14.  
  15. 	long long a, b;
  16.     long long sum = 0;
  17. 	cin >> a >> b;
  18. 	long long arr[a];
  19.  
  20. 	for (long long i = 0; i < a; i++) {
  21. 		cin >> arr[i];
  22. 	}
  23. 	sort(arr, arr + a,greater<long long>());
  24.  
  25.  
  26. 	for (long long i = 0; i < b; i++) {
  27. 		sum += arr[i];
  28. 	}
  29. 	cout << sum << endl;
  30.  
  31.  
  32. 	return 0;
  33. }
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/cVa846
language:
C++ (gcc 8.3)
created:
16 hours ago
visibility:
public

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