Getting NZEC in java

Getting a NZEC even though it is running fine on my pc, please help!
Problem link


import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;


class VOTERS {
	
	public static void updateList(ArrayList<Integer> finallist, int id) {
		for(int i = 0; i < finallist.size(); i++) {
			if(id == finallist.get(i)) {
				return;
			}
		}
		finallist.add(id);
	}
	
	public static void main(String args[])
            throws IOException {
		Scanner in = new Scanner(System.in);

		
		int N = 3;
		int n[] = new int[N];
		n[0] = in.nextInt();
		n[1] = in.nextInt();
		n[2] = in.nextInt();
		
		
		ArrayList<Integer> finallist = new ArrayList<Integer>(); 
		
		int voters[][] = new int[N][50000];
		
		for(int i = 0; i < N; i++) {
			for(int j = 0; j < n[i]; j++) {
				voters[i][j] = in.nextInt();
			}
		}
		
		for(int i = 0; i < n[0]; i++) {
			int temp = voters[0][i];
			for(int j = 0; j < n[1] || temp <= voters[1][j]; j++) {
				if(temp == voters[1][j]) {
					updateList(finallist, temp);
				}
			}
			
			temp = voters[1][i];
			for(int j = 0; j < n[2] || temp <= voters[2][j]; j++) {
				if(temp == voters[2][j]) {
					updateList(finallist, temp);
				}
			}
			
			temp = voters[2][i];
			for(int j = 0; j < n[0] || temp <= voters[0][j]; j++) {
				if(temp == voters[0][j]) {
					updateList(finallist, temp);
				}
			}
		}
		

		Collections.sort(finallist);

		System.out.println(finallist.size());
		
		for(int i = 0; i < finallist.size(); i++) {
			System.out.println(finallist.get(i) + " ");
		}
		
		
		in.close();
		
	}
}


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