Submission #531978

#	Time	Username	Problem	Language	Result	Execution time	Memory
531978		nguyentunglam	Art Exhibition (JOI18_art)	C++14	100 / 100	586 ms	24728 KiB

art

#include<bits/stdc++.h>
#define forin(i, a, b) for(int i = a; i <= b; i++)
#define forde(i, a, b) for(int i = a; i >= b; i--)
#define fi first 
#define se second
#define ll long long
using namespace std;
const int N = 5e5 + 10;
pair<ll,ll> a[N];
ll res, s[N];
int main()
{
	int n; cin >> n; 
	forin(i, 1, n) 	cin >> a[i].fi >> a[i].se;
	sort(a+1, a+n+1);
	forin(i, 1, n) s[i] = s[i-1] + a[i].se;
	ll mini = s[0] - a[1].fi;
	forin(i, 2, n) 
	{
      mini = min(mini, s[i-1] - a[i].fi);
		res = max(res, s[i] - a[i].fi -mini);
		
	}
	cout << res; 
}

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