제출 #1146533

#제출 시각아이디문제언어결과실행 시간메모리
1146533NomioArt Exhibition (JOI18_art)C++20
100 / 100
158 ms8624 KiB
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	vector<pair<ll, ll>> v;
	for(int i = 0; i < n; i++) {
		ll a, b;
		cin >> a >> b;
		v.push_back({a, b});
	}
	sort(v.begin(), v.end());
	ll mx = 0, sum = 0, mn = 1e18;
	for(pair<ll, ll> p : v) {
		ll x = p.first;
		ll y = p.second;
		mn = min(mn, sum - x);
		sum += y;
		mx = max(mx, sum - x - mn);
	}
	cout << mx << '\n';
	return 0;
}
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