Compilare: main.cpp: In function 'void buildPref(std::__cxx11::string)': main.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<cuv.size();i++) ~^~~~~~~~~~~ main.cpp: In function 'void KMP(std::__cxx11::string, std::__cxx11::string)': main.cpp:44:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<sir.size();i++) ~^~~~~~~~~~~ main.cpp:52:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( lung==cuv.size()-1 ) ~~~~^~~~~~~~~~~~~~