Submission #948793

#	Time	Username	Problem	Language	Result	Execution time	Memory
948793		Irate	Art Exhibition (JOI18_art)	C++14	100 / 100	176 ms	28684 KiB

art

#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    vector<pair<long long, int>>v(n + 1);
    vector<long long>pref(n + 1);
    for(int i = 1;i <= n;++i){
        cin >> v[i].first >> v[i].second;
    }
    sort(v.begin(), v.end());
    for(int i = 1;i <= n;++i){
        pref[i] = pref[i - 1] + v[i].second;
    }
    long long res = 0;
    priority_queue<long long>pq;
    for(int i = 1;i <= n;++i){
        pq.push(v[i].first - pref[i - 1]);
        res = max(res, pq.top() + pref[i] - v[i].first);
    }
    cout << res << '\n';
}

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