main( )

       {

              int k=4,i;

              for(i=0;i<4;i++)

              {

                     switch(k)

                     {

                              case 4:

                                          printf( 〃 # 〃 );

                              case 3:

                                          printf( 〃 * 〃 );

                             default:

                                          printf( 〃 \n 〃 );

                                          break;

                             case 2:

                                          printf( 〃 $ 〃 );

                             case 1: