Submission #914958

#	Time	Username	Problem	Language	Result	Execution time	Memory
914958		Aiperiii	Art Exhibition (JOI18_art)	C++14	100 / 100	389 ms	21072 KiB

art

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
signed main(){
    int n;
    cin>>n;
    vector <pair <int,int> > v(n);
    for(int i=0;i<n;i++){
        cin>>v[i].ff>>v[i].ss;
    }
    
    sort(all(v));
    int mx=0;
    int sum=0;
    int res=0;
    for(int i=0;i<n;i++){
        mx=max(-sum+v[i].ff,mx);
        sum+=v[i].ss;
        res=max(res,sum-v[i].ff+mx);
    }
    cout<<res<<"\n";
}

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