Submission #1115755

#	Time	Username	Problem	Language	Result	Execution time	Memory
1115755		staszic_ojuz	Art Exhibition (JOI18_art)	C++17	100 / 100	146 ms	30644 KiB

art

#include <bits/stdc++.h>
	using namespace std;
	using ll = long long;
	
	int main()
	{
		ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
		ll n,l,p;
		cin >> n;
		vector<pair<ll,ll>>ciag;
		vector<ll>ciag2(1);
		for(int i=0;i<n;++i){
			cin >> l >> p;
			ciag.push_back({l,p});
		}
		sort(ciag.begin(),ciag.end());
		for(int i=0;i<n;++i){
			ciag2.push_back(ciag2[i]+ciag[i].second);
		}
		/*for(int i=0;i<ciag2.size();++i){
			cout << ciag2[i] << ' ';
		}
		cout << endl;
		*/
		ll wynik=0,wynik2=0;
		vector<ll>maksy;
		for(int i=0;i<n;++i){
			wynik=max(ciag2[i]*-1+ciag[i].first,wynik);
			maksy.push_back(wynik);
		}
		/*for(int i=0;i<n;++i){
			cout << maksy[i] << ' ';	
		}
		cout << endl;
		*/
		for(int i=0;i<n;++i){
			wynik2=max(ciag2[i+1]-ciag[i].first+maksy[i],wynik2);
		}
		
		cout << wynik2;
		return 0;
	}

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