package Code;

public class Code48 {
    static void rotate(int[][] matrix) {
        int n= matrix.length;
        for(int i = 0; i< n/2; i++) {
            for (int j = 0; j < n; j++) {
                int t = matrix[i][j];
                matrix[i][j] = matrix[n - i - 1][j];
                matrix[n - 1 - i][j] = t;
            }
        }
        for(int i = 0; i< n; i++) {
            for (int j = i+1; j < n; j++) {
                int t = matrix[i][j];
                matrix[i][j] = matrix[j][i];
                matrix[j][i] = t;
            }
        }

    }

    public static void main(String[] args) {
        int[][] matrix = {
                {1, 2, 3},
                {4, 5, 6},
                {7, 8, 9}
        };
        rotate(matrix);
        // 打印旋转后的矩阵
        for (int[] row : matrix) {
            for (int num : row) {
                System.out.print(num + " ");
            }
            System.out.println();
        }
    }
}