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#include<bits/stdc++.h>
using namespace std;
long long i,n,s[100003],a=0,g;
int main()
{
    cin>>n;
    for (i=0;i<n;i++) cin>>s[i];
    sort(s,s+n);
    for (i=0;i<n;i++)   a+=s[i]*(i*4-2*n+3);
    g=__gcd(a,n);
    cout<<a/g<<" "<<n/g;
    return 0;
}

Main.java:1: error: illegal character: '#'
#include<bits/stdc++.h>
^
Main.java:1: error: class, interface, or enum expected
#include<bits/stdc++.h>
        ^
Main.java:3: error: class, interface, or enum expected
long long i,n,s[100003],a=0,g;
^
Main.java:4: error: class, interface, or enum expected
int main()
^
Main.java:7: error: class, interface, or enum expected
    for (i=0;i<n;i++) cin>>s[i];
    ^
Main.java:7: error: class, interface, or enum expected
    for (i=0;i<n;i++) cin>>s[i];
             ^
Main.java:7: error: class, interface, or enum expected
    for (i=0;i<n;i++) cin>>s[i];
                 ^
Main.java:8: error: class, interface, or enum expected
    sort(s,s+n);
    ^
Main.java:9: error: class, interface, or enum expected
    for (i=0;i<n;i++)   a+=s[i]*(i*4-2*n+3);
    ^
Main.java:9: error: class, interface, or enum expected
    for (i=0;i<n;i++)   a+=s[i]*(i*4-2*n+3);
             ^
Main.java:9: error: class, interface, or enum expected
    for (i=0;i<n;i++)   a+=s[i]*(i*4-2*n+3);
                 ^
Main.java:10: error: class, interface, or enum expected
    g=__gcd(a,n);
    ^
Main.java:11: error: class, interface, or enum expected
    cout<<a/g<<" "<<n/g;
    ^
Main.java:12: error: class, interface, or enum expected
    return 0;
    ^
Main.java:13: error: class, interface, or enum expected
}
^
15 errors

Standard output is empty