/in/foo.cc: In function 'std::vector<int> multi(std::vector<int>, int)':
/in/foo.cc:11:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < A.size() || t;i++){
                   ~~^~~~~~~~~~
/in/foo.cc: In function 'std::vector<int> get_max(std::vector<int>, std::vector<int>)':
/in/foo.cc:38:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0;i < A.size();i++){
                       ~~^~~~~~~~~~