Submission #397556

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
397556	2021-05-02 11:37:43	Iwanttobreakfree	Kisik (COCI19_kisik)	C++98	0 / 90	497 ms	14276 KiB

kisik

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#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
  int n,k,sum=0,h=0;
  cin>>n>>k;
  vector<pair<int,int> > v(n);
  for(int i=0;i<n;i++){
    cin>>v[i].first>>v[i].second;
  }
  sort(v.begin(),v.end());
  for(int i=0;i<k;i++){
    h=max(h,v[i].second);
    sum+=v[i].first;
  }
  sum*=h;
  cout<<sum;
}
 
 
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