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java
a year ago
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import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Solution {
	public static int n, res, sX, sY;
	public static int[][] matrix;
	public static int[][] visited;
	public static int[] moveX = { -1, -1, -1 };
	public static int[] moveY = { -1, 0, 1 };
	public static boolean quaDuoc;

	public static boolean check(int x, int y, int van) {
		if (matrix[x][y] == 2 && van == 0) {
			return false;
		}
		return true;
	}

	public static void backtrack(int x, int y, int coin, int van) {
		if (x == 0) {
			if (coin > res) {
				res = coin;
			}
			quaDuoc = true;
			return;
		}
		for (int i = 0; i < 3; i++) {
			int newX = x + moveX[i];
			int newY = y + moveY[i];
			if (newX >= 0 && newY >= 0 && newY < 5 && newX<n && check(newX, newY, van)
					&& visited[newX][newY] == 0) {
				visited[newX][newY] = 1;
				int tmp = 0;
				if (matrix[newX][newY] == 1) {
					tmp = 1;
				}
				if (matrix[newX][newY] == 2) {
					van = van - 1;
				}
				backtrack(newX, newY, coin + tmp, van);
				visited[newX][newY] = 0;
			}
		}
	}

	public static void main(String[] args) throws FileNotFoundException {
		System.setIn(new FileInputStream("D:/LeCongMinh/B8/QuaCau/sample.txt"));
		Scanner sc = new Scanner(System.in);
		int tc = sc.nextInt();
		for (int t = 1; t <= tc; t++) {
			n = sc.nextInt();
			matrix = new int[n][5];
			visited = new int[n][5];
			for (int i = 0; i < n; i++) {
				for (int j = 0; j < 5; j++) {
					matrix[i][j] = sc.nextInt();
				}
			}
			quaDuoc = false;
			res = 0;
			backtrack(n, 2, 0, 1);
			if(!quaDuoc){
				System.out.println("#" + t + " " + -1);
			}else{
				System.out.println("#" + t + " " + res);
			}
		}
		sc.close();
	}
}
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