Submission #751097

#	Time	Username	Problem	Language	Result	Execution time	Memory
751097		vjudge1	Art Exhibition (JOI18_art)	C++17	50 / 100	1071 ms	20672 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
int N;
pair<int,int>P[500005];
signed main()
{
    cin>>N;
    for(int i = 1;i<=N;i++){
        cin>>P[i].fi>>P[i].se;
    }
    sort(P+1,P+1+N);
    for(int i = 2;i<=N;i++){
        P[i].se+=P[i-1].se;
    }
//    for(int i = 0;i<=N;i++){
//        cout<<P[i].fi<<":"<<P[i].se<<endl;
//    }
    int ans=-1e18;
    for(int i = 1;i<=N;i++){
        for(int j = i;j<=N;j++){
            ans=max(ans,(P[j].se-P[i-1].se)-(P[j].fi-P[i].fi));
        }
    }
    cout<<ans<<endl;
    return 0;
}

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