Submission #968591

#	Time	Username	Problem	Language	Result	Execution time	Memory
968591		elotelo966	Art Exhibition (JOI18_art)	C++17	100 / 100	132 ms	11044 KiB

art

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define OYY 100000000000005
#define mod 1000000007
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define FOR for(int i=1;i<=n;i++)
#define mid (start+end)/2
#define lim 300005
#define fi first
#define se second

vector<pair<int,int>> dizi;

int32_t main(){
	faster
	int n;cin>>n;
	dizi.push_back({-LLONG_MAX,-LLONG_MAX});
	
	FOR{
		int x,y;cin>>x>>y;
		dizi.push_back({x,y});
	}
	
	sort(dizi.begin(),dizi.end());
	
	int cev=-LLONG_MAX,sum=0,mini=0;
	
	FOR{
		mini=max(mini,dizi[i].fi-sum);
		sum+=dizi[i].se;
		cev=max(cev,sum-(dizi[i].fi-mini));
	}
	
	cout<<cev<<endl;
	
	return 0;
}

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