Submission #717761

#	Time	Username	Problem	Language	Result	Execution time	Memory
717761		Toxtaq	Art Exhibition (JOI18_art)	C++17	50 / 100	1078 ms	11988 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, long long>>arts(n + 1);
    for(int i = 1;i <= n;++i){
        cin >> arts[i].first >> arts[i].second;
    }
    sort(arts.begin(), arts.end());
    vector<long long>P(n + 1);
    for(int i = 1;i <= n;++i){
        P[i] = P[i - 1] + arts[i].second + arts[i - 1].first - arts[i].first;
//        cout << "P[" << i << "]=" << P[i] << '\n';
    }
    long long mx = 0;
    for(int i = 1;i <= n;++i){
        for(int j = i;j <= n;++j){
            long long num = (P[j] - P[i - 1]) - arts[i - 1].first + arts[i].first;
            mx = max(mx, num);
        }
    }
    cout << mx;
}

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