Compilare: user.cpp: In function ‘int kmp(std::string, std::string)’: user.cpp:17:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=aux.size(); i++) ^ user.cpp:27:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=aux.size();i++) ^ user.cpp:29:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(KMP[i]==p.size()) ^ user.cpp: In function ‘int main()’: user.cpp:42:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<l.size();i++) ^