tj

#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
double av;
cin>>n;
int a[n];
for(int i=0;i<n;i++){
cin>>a[i];
av+=a[i];
}
av=av/n;
printf("AV=%.1f",av);
cout<<endl;
for(int i=0;i<n;i++){
if(a[i]>av){
cout<<i+1<<":"<<a[i]<<" ";
}
}
}