/in/foo.cc: In function 'int Query(int, int)':
/in/foo.cc:55:36: warning: unused variable 'i' [-Wunused-variable]
     int /*ls=strlen(s+1),*/now=Pos,i,deep=Len,ans=0,k;
                                    ^
/in/foo.cc:55:47: warning: unused variable 'ans' [-Wunused-variable]
     int /*ls=strlen(s+1),*/now=Pos,i,deep=Len,ans=0,k;
                                               ^
/in/foo.cc:55:53: warning: unused variable 'k' [-Wunused-variable]
     int /*ls=strlen(s+1),*/now=Pos,i,deep=Len,ans=0,k;
                                                     ^