Submission #974860

#	Time	Username	Problem	Language	Result	Execution time	Memory
974860		tamir1	Art Exhibition (JOI18_art)	C++17	50 / 100	1044 ms	24580 KiB

art

#include<bits/stdc++.h>
#define ll long long
#define ff first
#define ss second;
using namespace std;
ll n,i,j,ans,sum[500005];
pair<ll,ll> art[500005];
ll val(ll l,ll r){return sum[r]-sum[l-1];};
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n;
	for(i=1;i<=n;i++){
		cin >> art[i].ff >> art[i].ss;
	}
	sort(art+1,art+n+1);
	for(i=1;i<=n;i++) sum[i]=sum[i-1]+art[i].ss;
	for(i=1;i<=n;i++){
		for(j=i;j<=n;j++){
			ans=max(ans,val(i,j)-art[j].ff+art[i].ff);
		}
	}
	cout << ans;
}

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