Submission #1019942

#	Time	Username	Problem	Language	Result	Execution time	Memory
1019942		eldorbek_008	Art Exhibition (JOI18_art)	C++17	100 / 100	450 ms	48564 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define int long long

int32_t main() {
	int n; cin >> n;
	vector<pair<int, int>> a(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i].first >> a[i].second;
	}
	sort(a.begin(), a.end());
	vector<int> p(n, a[0].second);
	for (int i = 1; i < n; i++) {
		p[i] = p[i - 1] + a[i].second;
	}
	int cur;
	int ans = 0;
	multiset<int> m;
	for (int i = n - 1; i >= 0; i--) {
		m.insert(p[i] - a[i].first);
		cur = *prev(m.end()) - (i > 0 ? p[i - 1] : 0);
		cur += a[i].first;
		ans = max(ans, cur);
	}
	cout << ans << '\n';
}

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