Submission #1345255

#	Time	Username	Problem	Language	Result	Execution time	Memory
1345255		ElayV13	Art Exhibition (JOI18_art)	C++20	50 / 100	1095 ms	12080 KiB

art

#include <bits/stdc++.h>
using namespace std;

#define int long long
const int INF=1e18;

int n;
vector<pair<int,int>>aw;

signed main() 
{
  cin>>n;
  aw.resize(n);
  for(int i=0;i<n;i++) cin>>aw[i].first>>aw[i].second;
  sort(aw.begin(),aw.end());
  vector<int>p(n);
  p[0]=aw[0].second;
  for(int i=1;i<n;i++) p[i]=p[i-1]+aw[i].second;
  int res=-INF;
  for(int i=0;i<n;i++){
    int mns=((!i)?0:p[i-1]);
    int ii=aw[i].first-mns;
    for(int j=i;j<n;j++){
      int jj=p[j]-aw[j].first;
      res=max(res,ii+jj);
    }
  }
  cout<<res<<endl;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 50