Submission #1146533

#	Time	Username	Problem	Language	Result	Execution time	Memory
1146533		Nomio	Art Exhibition (JOI18_art)	C++20	100 / 100	158 ms	8624 KiB

art

#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;
}

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