题解

#include<bits/stdc++.h>
using namespace std;
int main(){
	double n,average,a[101],f=0;
	cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i];
	for(int i=1;i<=n;i++) f+=a[i];
	average=f/n;
	for(int i=1;i<=n;i++){
		if(a[i]<average) cout<<a[i]<<" ";
	}
    return 0;
}