USACO Silver 2017 US Open - Where's Bessie?

C++

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#include <bits/stdc++.h>
using namespace std;

const int MAX_N = 20;
vector<vector<char>> image(MAX_N, vector<char>(MAX_N));
vector<vector<bool>> visited(MAX_N, vector<bool>(MAX_N));

/** PCL delimited by the top left corner (i1, j1) & bottom right corner (i2, j2)
 */
struct PCL {

Java

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import java.io.*;
import java.util.*;

public class Where {
	static final int MAX_N = 20;

	static char[][] image = new char[MAX_N][MAX_N];
	static boolean[][] visited = new boolean[MAX_N][MAX_N];

	static int iMin, iMax, jMin, jMax;