제출 #941970

#제출 시각아이디문제언어결과실행 시간메모리
941970shezittProsjek (COCI18_prosjek)C++14
50 / 50
1 ms604 KiB
#include <bits/stdc++.h> using namespace std; using ld = long double; #define sz(x) (int)x.size() int main(){ int n; cin >> n; vector<int> a(n); for(auto& i : a){ cin >> i; } if(n == 1){ cout << a[0]; return 0; } sort(a.begin(), a.end()); ld prev = ((1.0 * a[0]) + a[1]) / 2; for(int i=2; i<n; ++i){ ld cur = (prev + a[i]) / 2; prev = cur; } cout << fixed << setprecision(6) << prev; }
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