Submission #927956

#	Time	Username	Problem	Language	Result	Execution time	Memory
927956		takeonicky	Art Exhibition (JOI18_art)	C++14	100 / 100	377 ms	24984 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;
	long long mn = -arr[0].first;
	for(int i=0; i<n; i++){
		if(i != 0) mn = min(mn, pref[i-1] - arr[i].first);
		ans = max(ans, (pref[i]-arr[i].first)-mn);
	}
	cout<<ans<<endl;
	return 0;
}

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