輸入輸出樣例

輸入
3
輸出
0 0 0 0 0 0 0 1
0 0 0 0 0 0 1 1
0 0 0 0 0 1 0 1
0 0 0 0 1 1 1 1
0 0 0 1 0 0 0 1
0 0 1 1 0 0 1 1
0 1 0 1 0 1 0 1
1 1 1 1 1 1 1 1

代碼實例:

```java import java.util.Scanner; public class Main{public static void main(String args[]) {Scanner scanner = new Scanner(System.in);int n = scanner.nextInt();int matrix[][] = new int[(int) Math.pow(2, n)][(int) Math.pow(2, n)];for (int i = 0; i < matrix.length; i++) {for (int j = 0; j < matrix.length; j++) {matrix[i][j] = 1;}}fanZhuan(matrix, 0, 0, matrix.length);for (int i = 0; i < matrix.length; i++) {for (int j = 0; j < matrix.length; j++) {System.out.print(matrix[i][j] + " ");}System.out.println();}scanner.close();}// 反轉函數public static void fanZhuan(int matrix[][], int x, int y, int r) {for (int i = x; i < x + r / 2; i++) {for (int j = y; j < y + r / 2; j++) {matrix[i][j] = 0;}}if(r/2==1) {return;}//右上角fanZhuan(matrix,x+r/2,y,r/2);//左下角fanZhuan(matrix,x,y+r/2,r/2);//右下角fanZhuan(matrix,x+r/2,y+r/2,r/2);} }

總結

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