Submission #1071223

#	Time	Username	Problem	Language	Result	Execution time	Memory
1071223		vjudge1	Art Exhibition (JOI18_art)	C++17	10 / 100	16 ms	504 KiB

art

#include<bits/stdc++.h>
using namespace std;

const int N=5000;

int main(){
	int n;
	cin>>n;
	long long a[N],b[N];
	for(int i=0 ;i<n ;i++){
		cin>>a[i]>>b[i];
	}
	long long ans=-1;
	for(int i=1 ;i<1<<n ;i++){
		long long mn=1e18,mx=-1,s=0;
		vector<int> v;
		long long qq=i;
		while(qq>0){
			v.push_back(qq%2);
			qq/=2;
		}
		//for(auto to :v){
		//	cout<<to<<" ";
		//}
		//cout<<"\n";
		for(int j=0 ;j<n ;j++){
			if (v[j]==1){
				mn=min(a[j],mn);
				mx=max(a[j],mx);
				s+=b[j];
				//cout<<mn<<" "<<mx<<" "<<a[j]<<" "<<b[j]<<" "<<s<<"\n";
			}
		}
		ans=max(ans, s-(mx-mn));
		//cout<<ans<<" "<<s-(mx-mn)<<" "<<s<<" "<<mx<<" "<<mn<<"\n";
	}
	cout<<ans;
}	

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