Submission #1180281

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180281		miniob	Art Exhibition (JOI18_art)	C++20	100 / 100	113 ms	12252 KiB

art

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

long long pref[500007];

int main() 
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	vector<pair<long long, long long>> prace;
	prace.push_back({0, 0});
	long long n, odp = 0, maxx = LLONG_MIN;
	cin >> n;
	for(int i = 0; i < n; i++)
	{
		long long x, y;
		cin >> x >> y;
		prace.push_back({x, y});
	}
	sort(prace.begin(), prace.end());
	for(int i = 1; i <= n; i++)
	{
		pref[i] = pref[i - 1] + prace[i].second;
	}
	for(int i = 1; i <= n; i++)
	{
		maxx = max(maxx, prace[i].first - pref[i - 1]);
		odp = max(odp, maxx + pref[i] - prace[i].first);
	}
	cout << odp << endl;
	return 0;
}

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