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  1. #include<bits/stdc++.h>
  2.  
  3. #define int long long
  4.  
  5. using namespace std;
  6.  
  7. int n,k;
  8. int a[200000];
  9.  
  10.  
  11. signed main() 
  12. {
  13.     cin>>n>>k;
  14.     for(int i=1;i<=n;++i) cin>>a[i];
  15.     sort(a+1,a+1+n);
  16.     int res = 0;
  17.     for(int i=n;i>=n-k;--i) res += a[i];
  18.     cout<<res;
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5372KB
comments (?)
stdin
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4 1
5 5 5 5
stdout
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10
https://ideone.com/cr9LKI
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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