Getting NZEC error in java could anyone help me out?

import java.util.*;

import java.io.*;

class h{

public static void main(String args[])throws Exception

{BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

int n=Integer.parseInt(br.readLine()),f=-1;

for(int i=0;i<n;i++)

{int a=Integer.parseInt(br.readLine());

int[] ar=new int[a+1];int max=0,m=0,t=0,g=0,ele=0;

HashMap<Integer,Integer> h=new HashMap<>();ar[0]=-1;

for(int j=1;j<a+1;j++)

{ar[j]=Integer.parseInt(br.readLine());

if(h.containsKey(ar[j]))

{int count=h.get(ar[j]);

count=count+1;h.put(ar[j],count);

max=j;g=t;ele=ar[j];f=1;

}

else{h.put(ar[j],1);m=j;if(f!=1){t++;}f=0;

}

}

m=0;int p=0;

for(int k=1;k<=a;k++)

{

if(max==ar[k]){m=k;}

if(g==ar[k]){p=k;}

}

if(p==0||m==0){System.out.println(“Poor Chef”);}

else{if(m!=0){

int r=ar[m];

System.out.println(ar[m]+""+ar[r]+""+ar[p]+""+ar[ar[p]]);

if(m!=0){

if((ar[ar[p]]==ar[ar[m]])&&(ar[p]!=ar[m])){System.out.println(1);}

else{System.out.println(0);}

}}

else{System.out.println(0);}

}}

}

}

//