Submission #776314

#	Time	Username	Problem	Language	Result	Execution time	Memory
776314		khoquennguoiminhthuong	Art Exhibition (JOI18_art)	C++17	100 / 100	146 ms	8304 KiB

art

#include <bits/stdc++.h>
 
using namespace std;
pair<long long,long long>p[500005];
int n;
long long ans=-1e18;
int main()
{ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>n;
for(int i=1;i<=n;i++)cin>>p[i].first>>p[i].second;
sort(p+1,p+n+1);
long long tong=0;
long long minn=0;
for(int i=1;i<=n;i++)ans=max(ans,p[i].second);
minn=min(minn,-p[1].first);
tong+=p[1].second;
for(int i=2;i<=n;i++)
{
ans=max(ans,tong+p[i].second-p[i].first-minn);
minn=min(minn,tong-p[i].first);
tong+=p[i].second;
}
cout<<ans<<'\n';
    return 0;
}

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