Submission #376462

#	Time	Username	Problem	Language	Result	Execution time	Memory
376462		astoria	Art Exhibition (JOI18_art)	C++14	100 / 100	336 ms	44652 KiB

art

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

#define int long long

int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	int n;
	cin>>n;
	pair<int,int> ab[n+5]; //a,b
	for(int i=1; i<=n; i++) cin>>ab[i].first>>ab[i].second;
	sort(ab+1,ab+n+1);
	
	set<int> s; s.insert(-ab[1].first);
	int pt=0,mx=0;
	for(int i=1; i<=n; i++){
		int v = *s.begin();
		pt += ab[i].second;
		int cr = pt - ab[i].first;
		mx = max(mx, cr-v);
		if(i!=n) s.insert(pt-ab[i+1].first);
	}
	cout<<mx;
}

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