Submission #650226

#	Time	Username	Problem	Language	Result	Execution time	Memory
650226		inksamurai	Prosjek (COCI18_prosjek)	C++17	50 / 50	1 ms	212 KiB

prosjek

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3yqVz8E ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

signed main(){
_3yqVz8E;
	using ld=long double;
	int n;cin>>n;
	vec(ld) a;
	rep(i,n){
		int v;
		cin>>v;
		a.pb(v);
	}
	rep(_,n-1){
		sort(a.begin(), a.end());
		ld v=(a[0]+a[1])/2.0;
		a.erase(a.begin());
		a.erase(a.begin());
		a.pb(v);
	}
	cout<<fixed<<setprecision(6);
	cout<<a[0]<<"\n";
}

• Subtask 1: 50 / 50