Please can someone tell me whatis the problem with my code. New user, thanks.
/* package codechef; // don’t place package name! */
import java.util.;
import java.lang.;
import java.io.*;
/* Name of the class has to be “Main” only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
//test cases
String s;
String g=“”;
char ii;
int n,d=0,j,temp=0,k,x,y;
int t=Integer.parseInt(br.readLine());
for(int i=0;i<t;i++)
{
//N
n=Integer.parseInt(br.readLine());
int arr[]=new int[n];
Arrays.fill(arr,0);
s=br.readLine();
for(j=0;j<s.length();j++)
{
ii=s.charAt(j);
if(ii!=32)
{
arr[d]=arr[d]*10+Integer.parseInt(String.valueOf(ii));
}
else
{
d++;
}
}
for(x=0;x<n;x++)
{
for(y=x+1;y<n;y++)
{
if(arr[y]<arr[x])
{
temp=arr[y];
arr[y]=arr[x];
arr[x]=temp;
}
}
}
int lim1=3*n/4;
k=n/4;
if(arr[lim1]>arr[n/2] && arr[n/2]>arr[n/4])
{
for(i=0;i<3;i++)
{
g=g+ arr[k]+" ";
k=k+n/4;
}
}
else
g=g+" -1";
g=g+ "\n";
}
System.out.println(g);
}
}