Submission #1258882

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258882		kawhiet	Art Exhibition (JOI18_art)	C++20	100 / 100	135 ms	13908 KiB

art

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<pair<int64_t, int>> v(n);
    for (int i = 0; i < n; i++) {
        cin >> v[i].first >> v[i].second;
    }
    sort(v.begin(), v.end());
    vector<int64_t> a(n);
    vector<int> b(n);
    for (int i = 0; i < n; i++) {
        a[i] = v[i].first;
        b[i] = v[i].second;
    }
    int64_t mn = 1e18, sum = 0, ans = 0;
    for (int i = 0; i < n; i++) {
        sum += b[i];
        mn = min(mn, sum - a[i] - b[i]);
        ans = max(ans, sum - a[i] - mn);
    }
    cout << ans << '\n';
    return 0;
}

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