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  1. #include <iostream>
  2. #include<algorithm>
  3. #include<vector>
  4. using namespace std;
  5.  
  6. int main() {
  7. int n,k,x;
  8. vector<int> v;
  9. cin>>n>>k>>x;
  10. for(int i=0;i<n;i++){
  11. int a;
  12. cin>>a;
  13. v.push_back(a);
  14. }
  15. int sum=0;
  16. sort(v.begin(),v.end());
  17. for(int i=0;i<n;i++){
  18. if(k-- && v[i]<x){
  19. sum+=v[i];
  20. }
  21. }
  22. cout<<sum;
  23. return 0;
  24. }
Success #stdin #stdout 0s 5572KB
stdin
5 3 8
21 4 15 17 11
stdout
4