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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n,x,y;cin>>n>>x>>y;
  7. 	vector<int>a(n),b(n),diff(n);
  8. 	for(int i=0;i<n;i++){
  9. 	    cin>>a[i];
  10. 	}
  11. 	int old_sum=0;
  12. 	for(int i=0;i<n;i++){
  13. 	    cin>>b[i];
  14. 	    old_sum+=b[i];
  15. 	    diff[i]=a[i]-b[i];
  16.  
  17. 	}
  18. 	int a_count=1,Optimal_diff=0;
  19. 	sort(diff.begin(),diff.end());
  20. 	while(a_count<=x){
  21. 	    int temp=0;
  22. 	    if(n-a_count>y){
  23. 	        a_count++;
  24. 	        continue;
  25. 	    }
  26. 	    for(int j=0;j<a_count;j++){
  27. 	        temp+=diff[n-1-j];
  28. 	    }
  29. 	    Optimal_diff=max(temp,Optimal_diff);
  30.  
  31. 	    a_count++;
  32.  
  33. 	}
  34.  
  35.  
  36. 	cout<<Optimal_diff+old_sum<<endl;
  37.  
  38.  
  39. }
  40.  
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
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5 3 3
1 2 3 4 5
5 4 3 2 1
stdout
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21
https://ideone.com/xV1QcU
language:
C++ (gcc 8.3)
created:
17 hours ago
visibility:
public

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