Submission #1283856

#	Time	Username	Problem	Language	Result	Execution time	Memory
1283856		arashmemar	Art Exhibition (JOI18_art)	C++20	100 / 100	434 ms	8320 KiB

art

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

const int maxn = 1e6;

pair <long long int, long long int> a[maxn];

int main()
{
	int n;
	cin >> n;
	for (int i = 1;i <= n;i++)
	{
		cin >> a[i].first >> a[i].second;
	}
	sort(a + 1, a + 1 + n);
	long long int ans = a[n].second, mx = a[n].second;
	for (int i = n - 1;i;i--)
	{
		mx = max(mx - a[i + 1].first + a[i].first + a[i].second, a[i].second);
		ans = max(mx, ans);
	}
	cout << ans;
}

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