#include<bits/stdc++.h> using namespace std; int main(){ int n,a[160]={0},i,w; float p=0,z=0; cin>>n; for(i=0;i<n;i++){ cin>>a[i]; z=z+a[i]; } cout<<z<<endl; p=z/n; printf("%.2f",p); w=0; cout<<endl; for(i=0;i<n;i++){ if(a[w]<a[w+1]){ swap(a[w],a[w+1]); w=w+1; } } for(i=0;i<n;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1175 User: huxuanchen Language: C++ Result: Wrong Answer ****************************************************************/