Accepted
/in/foo.cc: In member function 'int Aho_corasick_automation::query(char*)':
/in/foo.cc:43:27: warning: unused variable 'rtn' [-Wunused-variable]
int len=strlen(s),now=0,rtn=0;
^~~
/in/foo.cc: In member function 'int Aho_corasick_automation::query(char*)':
/in/foo.cc:43:27: warning: unused variable 'rtn' [-Wunused-variable]
int len=strlen(s),now=0,rtn=0;
^~~
