Submission #722639

#	Time	Username	Problem	Language	Result	Execution time	Memory
722639		AndrijaM	Art Exhibition (JOI18_art)	C++14	100 / 100	558 ms	21048 KiB

art

#include <bits/stdc++.h>

using ll=long long;

using namespace std;

int main()
{
    long long n;
    cin>>n;
    long long s,v;
    vector<pair<long long,long long>>x;
    for(long long i=0;i<n;i++)
    {
        cin>>s>>v;
        x.push_back({s,v});
    }
    sort(x.begin(),x.end());
    long long ans=0;
    long long mx=0;
    for(long long i=0;i<n;i++)
    {
        if(i==0)
        {
            mx=x[i].first+x[i].second;
            ans=max(ans, mx-x[i].first);
        }
        else
        {
            mx=max(mx+x[i].second,x[i].second+x[i].first);
            ans=max(ans, mx-x[i].first);
        }
    }
    cout<<ans<<endl;
    return 0;
}

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