Submission #364507

#	Time	Username	Problem	Language	Result	Execution time	Memory
364507		NachoLibre	Art Exhibition (JOI18_art)	C++17	100 / 100	263 ms	20972 KiB

art

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

const int N = 500005;
int n;
pair<long long, long long> a[N];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for(int i = 0; i < n; ++i) {
		cin >> a[i].first >> a[i].second;
	}
	sort(a, a + n);
	long long x = a[0].first, fp = a[0].second;
	for(int i = 1; i < n; ++i) {
		a[i].second += a[i - 1].second;
		x = max(x, a[i].first - a[i - 1].second);
		fp = max(fp, a[i].second - a[i].first + x);
	}
	cout << fp << endl;
	return 0;
}

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