]. x=360; point[i]. y=384; break;\rcase 25:point[i].x=480; point[i]. y=384; break;\rdefault :MessageBox (NULL, ìíî point [i]XW ”~~NULL) ; )\r)\rbreak;\rdefault:;\r)\rsrand((unsigned)time(NULL));\rfor(int k=0;k<200;k++)\rswitch(rand()%4).\rcase 0:\rif((now_pos+l) % line!=l)\r(\rChange_Block(now_pos, now_pos+l);now_pos++;\r)\rbreak;\rcase 1:\rif((now_pos-l) % line!=0)\r(\rChange_Block(now pos, now_pos-l); now_pos--;\r)\rbreak;\rcase 2:\rif(nowpos+line < line*line)\r(\rChange_Block(now pos, now pos+line); now_pos+=line;\r)\rbreak;\rcase 3:\rif(now_pos-line>0)\rChange Block(now pos, now pos-line); now pos-=line;.\rbreak;\rd e fa u lt:;\r)\r})