Submission #503497

#	Time	Username	Problem	Language	Result	Execution time	Memory
503497		OrazB	Art Exhibition (JOI18_art)	C++14	100 / 100	207 ms	20840 KiB

art

#include <bits/stdc++.h>
#define N 500005
#define ll long long int
#define pii pair <long long, long long>
#define pb push_back
#define ff first
#define ss second
using namespace std;

ll n, sm, ans = -1e18, mx;
pii a[N];

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n;
	for (int i = 1; i <= n; i++) cin >> a[i].ff >> a[i].ss;
	sort(a + 1, a + n + 1);
	mx = -a[1].ff;
	for (int i = 1; i <= n; i++){
		sm += a[i].ss;
		ans = max(ans, (sm - a[i].ff) - mx);
		mx = min(mx, sm - a[i + 1].ff);
	}	
	cout << ans;
}	

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