题解 | #二维数组操作#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int m = sc.nextInt();
            int n = sc.nextInt();
            int[][] arr = new int[m][n];
            if (m > 9 || n > 9) {
                System.out.println(-1);
            } else {
                System.out.println(0);
            }
            int x1 = sc.nextInt();
            int y1 = sc.nextInt();
            int x2 = sc.nextInt();
            int y2 = sc.nextInt();
            int minX = Math.min(x1, x2);
            int maxX = Math.max(x1, x2);
            int minY = Math.min(y1, y2);
            int maxY = Math.max(y1, y2);
            if ((minX < 0 || maxX > m - 1) || (minY < 0 || maxY > n - 1)) {
                System.out.println(-1);
            } else {
                System.out.println(0);
            }

            int ix = sc.nextInt();
            if (ix > m -1 || ix < 0 || m >= 9) {
                System.out.println(-1);
            } else {
                System.out.println(0);
            }

            int iy = sc.nextInt();
            if (iy > n -1 || iy < 0 || n >= 9) {
                System.out.println(-1);
            } else {
                System.out.println(0);
            }

            int rx = sc.nextInt();
            int ry = sc.nextInt();
            if ((rx < 0 || rx > m - 1) || (ry < 0 || ry > n - 1)) {
                System.out.println(-1);
            } else {
                System.out.println(0);
            }
        }
    }
}