CCF 图像旋转

    import java.util.Scanner;public class Main {      public static void main(String[] args) {          new Main().run();      }      public void run(){          Scanner sc = new Scanner(System.in);          int n = sc.nextInt();          int m = sc.nextInt();         int[][] arr = new int[n][m];         for(int i=0;i<n;i++){            for(int j=0;j<m;j++){                arr[i][j]=sc.nextInt();            }        }        for(int k=(m-1);k>=0;k--){            for(int l=0;l<n;l++){                System.out.print(arr[l][k]+" ");            }             System.out.println();          }    }}