제출 #780025

#제출 시각아이디문제언어결과실행 시간메모리
780025vjudge1Prosjek (COCI18_prosjek)C++17
50 / 50
1 ms212 KiB
#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);
//#define endl "\n"
#define ll long long
#define pb push_back
#define N 200005
int main(){
	lalala;
	int n;cin>>n;
	vector<long double> v;
	for(int i=0;i<n;i++){
		long double a;cin>>a;
		v.pb(a*((long double)1.000000));
	}
	if(n==1){
		cout<<v[0]<<endl;
		return 0;
	}
	sort(v.begin(),v.end());
	long double a=v[0];
	for(int i=1;i<n;i++){
		a=(a+v[i])/(2.000000);
	}
	cout<<a<<endl;

}
#Verdict Execution timeMemoryGrader output
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