Submission #1203731

#	Time	Username	Problem	Language	Result	Execution time	Memory
1203731		chawinkn	Art Exhibition (JOI18_art)	C++20	0 / 100	1 ms	320 KiB

art

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

#define f first
#define s second
#define ll long long

int main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	int n;
	cin >> n;
	vector<pair<ll,ll>> a(n);
	for (auto& [A,B] : a)
		cin >> A >> B;
		
	sort(a.begin(), a.end());
	vector<ll> qs(n);
	qs[0] = a[0].s;
	for (int i = 1; i < n; i++)
		qs[i] = qs[i-1]+a[i].s;
	ll ans=0;
	for (int i = 0; i < n; i++)
		for (int j = i+1; j < n; j++)
			ans = max(ans, qs[j]-(i > 0 ? qs[i-1] : 0)-a[j].f+a[i].f);
	cout << ans;
	return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50