Submission #503563

#	Time	Username	Problem	Language	Result	Execution time	Memory
503563		BY_KUTBILIM	Art Exhibition (JOI18_art)	C++17	100 / 100	192 ms	18952 KiB

art

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

#define ll long long
const int N = 5e5+5;
ll n, sum, ans = -1e18, mx;
pair<ll,ll> a[N];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> a[i].first >> a[i].second;
	}
	sort(a + 1, a + n + 1);
	mx = -a[1].first;
	for(int i = 1; i <= n; i++){
		sum += a[i].second;
		ans = max(ans, (sum - a[i].first) - mx);
		mx = min(mx, sum - a[i+1].first);
	}
	cout << ans << endl;

	return 0;
}

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