/in/foo.cc:47:1: error: expected '}' at end of input
 }
 ^
/in/foo.cc: In member function 'seqlist seqlist::jiao(seqlist&)':
/in/foo.cc:21:19: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
    for(k=0;k<t.n;t++)
                  ~^~
/in/foo.cc:28:2: warning: no return statement in function returning non-void [-Wreturn-type]
  }
  ^
/in/foo.cc: At global scope:
/in/foo.cc:47:1: error: expected unqualified-id at end of input
 }
 ^