Minesweeper -题解(Java代码)

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int z = 1;
        do {
            int m = scanner.nextInt();
            int n = scanner.nextInt();
            if (m == 0 & n == 0) {
                break;
            }
            scanner.nextLine();
            //输入
            char[][] x = new char[m][n];
            for (int i = 0; i < m; i++) {
                x[i] = scanner.nextLine().toCharArray();
            }
            //计算周围雷数量
            countNum(x);
            //输出
            System.out.println("Field #" + z + ":");
            z++;
            for (int i = 0; i < x.length; i++) {
                for (int j = 0; j < x[i].length; j++) {
                    System.out.print(x[i][j]);
                }
                System.out.println();
            }
            System.out.println();
        } while (true);
    }
    static void countNum(char[][] x) {
        for (int i = 0; i < x.length; i++) {
            for (int j = 0; j < x[i].length; j++) {
                if (x[i][j] == '.') {
                    int count = 0;
                    for (int k = i - 1; k <= i + 1; k++) {
                        if (k < 0 || k > x.length - 1) {
                            continue;
                        }
                        for (int k2 = j - 1; k2 <= j + 1; k2++) {
                            if (k2 < 0 || k2 > x[i].length - 1) {
                                continue;
                            }
                            if (x[k][k2] == '*') {
                                count++;
                            }
                        }
                    }
                    x[i][j] = String.valueOf(count).charAt(0);
                }
            }
        }
    }
}