//Rochy'.'
#include <bits/stdc++.h>
#define fo(i,a,b) for(int i=a;i<=b;++i)
#define fd(i,a,b) for(int i=a;i>=b;--i)
#define fl(i,a,b) for(int i=a;i<b;++i)
#define fa(i,a) for(auto i:a)
#define ii pair <long long,int>
#define vi vector <int>
#define F first
#define S second
#define pb push_back
#define mp make_pair
#define all(a) a.begin(),a.end()
using namespace std;
template <typename T> inline void read(T &x){char c;bool nega=0;while((!isdigit(c=getchar()))&&(c!='-'));
if(c=='-'){nega=1;c=getchar();}x=c-48;while(isdigit(c=getchar()))x=x*10+c-48;if(nega)x=-x;}
template <typename T> inline void writep(T x){if(x>9)writep(x/10);putchar(x%10+48);}
template <typename T> inline void write(T x){if(x<0){putchar('-');x=-x;}writep(x);putchar(' ');}
template <typename T> inline void writeln(T x){write(x);putchar('\n');}
template <typename R, typename D> inline void Min(R &a, D b){if(a>b) a=b;}
template <typename D, typename R> inline void Max(D &a, R b){if(a<b) a=b;}
const int N=102;
int n,a[N];
int main(){
ios_base::sync_with_stdio(NULL);
cin. tie(NULL); cout. tie(NULL);
// freopen(".inp" , "r", stdin);
// freopen(".out", "w", stdout);
cin>>n;
fo(i,1,n) cin>>a[i];
sort(a+1,a+1+n);
double cur=a[1];
fo(i,2,n){
cur=(cur+a[i])/2;
}
cout<<setprecision(6)<<fixed<<cur;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
504 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
504 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
252 KB |
Output is correct |
| 8 |
Correct |
3 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
416 KB |
Output is correct |
