Submission #927839

#	Time	Username	Problem	Language	Result	Execution time	Memory
927839		takeonicky	Art Exhibition (JOI18_art)	C++14	50 / 100	1055 ms	24660 KiB

art

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

int main(){
	int n;
	cin>>n;
	pair<long long, long long> arr[n];
	for(int i=0; i<n; i++){
		cin>>arr[i].first>>arr[i].second;
	}
	sort(arr, arr+n);
	
	long long pref[n];
	pref[0] = arr[0].second;
	for(int i=1; i<n; i++){
		pref[i] = pref[i-1] + arr[i].second;
	}
	
	long long ans = 0;
	for(int l=0; l<n; l++){
		for(int r=l; r<n; r++){
			long long sum = pref[r];
			if(l != 0) sum -= pref[l-1];
			ans = max(ans, sum-(arr[r].first-arr[l].first));
		}
	}
	cout<<ans<<endl;
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 50