Submission #1290562

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290562		ey00	Art Exhibition (JOI18_art)	C++20	100 / 100	147 ms	12116 KiB

art

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N;cin>>N;
    vector<pair<int,int>> eser(N);
    for(int i=0;i<N;++i)cin>> eser[i].first>>eser[i].second;
    sort(eser.begin(), eser.end());
    vector<long long> P(N + 1, 0);
    for (int i = 0; i < N; ++i) {
        P[i + 1] = P[i] + eser[i].second;
    }
    long long M_max = LLONG_MIN;
    long long G_max = LLONG_MIN;
    for (int j = 1; j <= N; ++j) {
        M_max = max(M_max, eser[j-1].first - P[j-1]);
        G_max = max(G_max, P[j] - eser[j-1].first + M_max);
    }
    cout << G_max;
    return 0;
}

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