Submission #294234

#	Time	Username	Problem	Language	Result	Execution time	Memory
294234		dolijan	Art Exhibition (JOI18_art)	C++14	100 / 100	219 ms	25324 KiB

art

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<pair<ll,ll> > v;
vector<ll> p;
const ll INF=-1e18;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    ll n;
    cin>>n;
    v.resize(n);
    for(ll i=0;i<n;i++) cin>>v[i].first>>v[i].second;
    sort(v.begin(),v.end());
    p.push_back(0);
    for(ll i=0;i<n;i++) p.push_back(p[i]+v[i].second);
    ll mx=INF;
    ll best=INF;
    for(ll i=0;i<n;i++)
    {
        best=max(v[i].first-p[i],best);
        mx=max(p[i+1]-v[i].first+best,mx);
    }
    cout<<mx<<endl;
}

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