USACO Silver 2017 US Open - Where's Bessie?

Java

//Created by Qi Wang
import java.util.*;
import java.io.*;

public class where {
	static int N,A;
	static char[][] F, temp;
	static List<PCL> list = new ArrayList<>();
	public static void main(String[] args) throws IOException {
		InputReader in = new InputReader("where.in");