Submission #537890

#	Time	Username	Problem	Language	Result	Execution time	Memory
537890		daisy	Art Exhibition (JOI18_art)	C++17	100 / 100	202 ms	12352 KiB

art

#include<iostream>
#include<algorithm>
#define endl '\n'
using namespace std;
long long n,pref=0,s,maxr=0,mi=0,ma=0;
pair<long long,long long> p[500005];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n;

    for(int i=0;i<n;i++)
        cin>>p[i].first>>p[i].second;

    sort(p,p+n);

    for(int i=0;i<n;i++)
    {
        mi=max(mi,p[i].first-pref);
        pref+=p[i].second;
        maxr=max(maxr,mi+pref-p[i].first);
    }
    cout<<maxr<<endl;
}

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