23 lines
447 B
C++
23 lines
447 B
C++
#include<cstdio>
|
|
#include<iostream>
|
|
using namespace std;
|
|
long n,i,j,c,t,a[1000],b[1000];
|
|
float s;
|
|
int main()
|
|
{
|
|
cin>>n;
|
|
for (i=1; i<=n; i=i+1) { cin>>a[i]; b[i]=i; }
|
|
for (i=1; i<=n-1; i=i+1)
|
|
for (j=i+1; j<=n; j=j+1)
|
|
if (a[i]>a[j])
|
|
{ t=a[i]; a[i]=a[j]; a[j]=t;
|
|
t=b[i]; b[i]=b[j]; b[j]=t; }
|
|
for (i=1; i<=n; i++){
|
|
c=c+a[i];
|
|
s=s+c;
|
|
}
|
|
for (i=1; i<=n; i++)
|
|
cout<<b[i]<<" ";
|
|
cout<<endl;
|
|
printf("%.2f\n",s/n);
|
|
} |