Submission #1108574

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108574		vjudge1	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	336 KiB

art

#include <bits/stdc++.h>
using namespace std;
long n,i;
long long t,r;
long long s[500001],f[500002];
pair<long long,long> a[500001];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
//    freopen("CodeForces.inp","r",stdin);
//    freopen("CodeForces.out","w",stdout);
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>a[i].first>>a[i].second;
    sort(a+1,a+n+1);
    for(i=1;i<=n;i++)
        s[i]=s[i-1]+a[i].second;
    for(i=n;i>0;i--)
        f[i]=max(f[i+1],s[i]-a[i].first);
    for(i=1;i<=n;i++)
    {
        r=max(r,f[i]-t+a[i].first);
        t+=a[i].second;
    }
    cout<<r;
}

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