Submission #306489

#	Time	Username	Problem	Language	Result	Execution time	Memory
306489		Temmie	Art Exhibition (JOI18_art)	C++17	100 / 100	207 ms	20984 KiB

art

#include <bits/stdc++.h>

typedef long long ll;

int main() {
	std::ios::sync_with_stdio(0); std::cin.tie(0);
	
	int n; std::cin >> n;
	std::vector <std::pair <ll, ll>> a(n);
	for (auto& p : a) std::cin >> p.first >> p.second;
	std::sort(a.begin(), a.end());
	ll ans = a[0].second;
	for (ll i = 0, sum = 0, max = a[0].first; (int)i < n; i++) {
		sum += a[i].second;
		max = std::max(max, a[i].first - sum + a[i].second);
		ans = std::max(ans, sum + max - a[i].first);
	}
	std::cout << ans << "\n";
	
}

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