Submission #636379

#	Time	Username	Problem	Language	Result	Execution time	Memory
636379		gun_gan	Art Exhibition (JOI18_art)	C++17	100 / 100	225 ms	28976 KiB

art

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

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

	int n;
	cin >> n;

	vector<pair<ll,ll>> v(n);
	for(int i = 0; i < n; i++) cin >> v[i].first >> v[i].second;

	sort(v.begin(), v.end());
	priority_queue<ll> q;
	vector<ll> dp(n);
	for(int i = 0; i < n; i++) {
		dp[i] = max(v[i].first + v[i].second, (q.empty() ? 0 : q.top()) + v[i].second);
		q.push(dp[i]);
	}

	ll mx = 0;
	for(int i = 0; i < n; i++) {
		mx = max(mx, dp[i] - v[i].first);
	}

	cout << mx;


}

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