Submission #595258

#	Time	Username	Problem	Language	Result	Execution time	Memory
595258		zxcvbnm	Art Exhibition (JOI18_art)	C++14	100 / 100	203 ms	20680 KiB

art

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

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n;
	cin >> n;
	vector<pair<ll, ll>> a(n);
	for(auto& i : a) {
		cin >> i.first >> i.second;
	}

	sort(a.begin(), a.end());
	ll ans = 0;
	ll curr = 0;
	for(int i = 0; i < n; i++) {
		ans = max(ans, curr + a[i].second);
		
		if (i != n-1) {
			curr += a[i].second - (a[i+1].first - a[i].first);
			curr = max(curr, 0LL);
		}
	}
	
	cout << ans << "\n";
}

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