//首先用枚举 列出方向 上,下,左,右(枚举的最后一位数后不用符号 否则会报错) public enum dro { up = 1, down = 2, left = 3, right = 4 } //坐标 定义 二维坐标 地图 (横坐标x,纵坐标y) public struct zuobiao { public int x; public int y;
工具类 AStarUtil.java import java.util.*; import java.util.stream.Collectors; /** * A星算法工具类 */ public class AStarUtil { private int[][] NODES; public AStarUtil(int[][] NODES) { this.NODES = NODES; } public AStarUtil() { } public static final int STEP =
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted from left to right. The first integer of each row is greater than the last integer of the previous ro