제출 #310734

#제출 시각아이디문제언어결과실행 시간메모리
310734LucaDantasArt Exhibition (JOI18_art)C++17
50 / 100
1092 ms8192 KiB
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;

using ll = long long;

int main() {
	int n; cin >> n;
	vector<pair<ll,ll>> a(n);
	for(int i = 0; i < n; i++)
		cin >> a[i].first >> a[i].second;
	sort(a.begin(), a.end());
	vector<ll> comp;
	ll maior = 0, ans = 0;
	for(int i = 0; i < n; i++) {
		maior = max(maior + a[i].second, a[i].second + a[i].first);
		ans = max(ans, maior - a[i].first);
	}
	cout << ans << '\n';
}
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