Compilare: user.cpp: In function ‘void kmp(std::string, int)’: user.cpp:21:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=aux.size(); i++) ^ user.cpp:31:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=aux.size();i++) ^ user.cpp:32:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(KMP[i]==p.size()) ^ user.cpp: In function ‘int main()’: user.cpp:49:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=s.size();i++) ^