/in/foo.cc: In function 'int FindiMax(std::vector<int>&)':
/in/foo.cc:9:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<a.size(); i++)
               ~^~~~~~~~~
/in/foo.cc: In function 'int Search(std::vector<int>&, int)':
/in/foo.cc:20:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^