0
已解决
#include<iostream>
#include<algorithm>
using namespace std;
int a[100005];
int n;
bool cmp(int a,int b){
return a>b;
}
int main(){
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
sort(a+1,a+3+1,cmp);
sort(a+n-2,a+n+1,cmp);
for(int i=1;i<=n;i++){
cout<<a[i]<<" ";
}
}

