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public class Migong {
 
    private int gard[][]={  {1,1,1,1,0,1,1,1},
                         {0,0,0,1,1,1,1,1},
                         {1,0,1,0,1,1,1,1},
                         {0,0,1,0,0,0,1,1},
                         {1,0,0,0,0,1,1,1},
                         {1,0,1,1,0,1,1,1},
                         {1,0,1,1,1,1,1,1}};
   
    private boolean recurive(int row,int column){
      
       boolean done = false;
       if(valid(row,column)){
           gard[row][column]=3;//×ß¹ýµÄ¸ñ×Ó
           if(row==gard.length-1&&column==gard[0].length-1){
              done = true;
           }else{
              done=recurive(row+1,column);//ÏÂÒÆ
             
              if(!done){


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class test {
   private int x,y;
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