Submission #1203764

#	Time	Username	Problem	Language	Result	Execution time	Memory
1203764		chawinkn	Art Exhibition (JOI18_art)	C++20	100 / 100	115 ms	8264 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());
	ll mn=-a[0].f, ans=0, sum=0;
	for (int i = 1; i <= n; i++) {
		mn = min(mn, sum-a[i-1].f);
		sum += a[i-1].s;
		ans = max(ans, sum-a[i-1].f-mn);
	}
	cout << ans;
	return 0;
}

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