/in/foo.cc: In function 'void search(int, int)':
/in/foo.cc:9:23: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
 void search(int x,int y)
                       ^
/in/foo.cc:65:15: warning: 'sl' may be used uninitialized in this function [-Wmaybe-uninitialized]
   search(x,sl);
               ^
/in/foo.cc:51:15: warning: 'sh' may be used uninitialized in this function [-Wmaybe-uninitialized]
   search(sh,y);
               ^