Submission #1231671

#	Time	Username	Problem	Language	Result	Execution time	Memory
1231671		antromancap	Art Exhibition (JOI18_art)	C++20	100 / 100	142 ms	8264 KiB

art

#include <bits/stdc++.h>

using namespace std;

const int N = 5e5 + 1;
int n;
pair<long long, int> a[N];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> n;
	for (int i = 1; i <= n; i++) cin >> a[i].first >> a[i].second;
	sort(a + 1, a + n + 1);
	long long mx = 0, res = 0, pref = 0;
	for (int i = 1; i <= n; i++) {
		mx = max(mx, a[i].first - pref);
		pref += a[i].second;
		res = max(res, pref - a[i].first + mx);
	}
	cout << res;
}

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