Submission #968445

#	Time	Username	Problem	Language	Result	Execution time	Memory
968445		elotelo966	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	348 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;
int n;

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

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