Submission #375513

#	Time	Username	Problem	Language	Result	Execution time	Memory
375513		marat0210	Prosjek (COCI18_prosjek)	C++14	50 / 50	1 ms	512 KiB

prosjek

#include <bits/stdc++.h>

using namespace std;

int main()
{
    long double n;
    cin >>n;
    vector <long double> a(n);
    for (int i = 0; i < n; ++i) {
        cin >>a[i];
    }
    sort(a.begin(), a.end());
    vector <long double> av(20);
    av[0] = (a[0] + a[1]) / 2;
    for (int i = 1; i < n - 1; ++i) {
        long double cur = (a[i + 1] + av[i - 1]) / 2;
        av[i] = cur;
    }
    cout <<fixed<<setprecision(7)<<av[n - 2]<<endl;
}

• Subtask 1: 50 / 50