/in/foo.cc: In member function 'void SeqList::find(int)':
/in/foo.cc:27:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |                 for(int k=0;k<data.size();k++){
      |                             ~^~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:47:15: warning: unused variable 'num' [-Wunused-variable]
   47 |     int n, m, num;
      |               ^~~