Compilare: main.cpp: In function 'bool Check(std::__cxx11::string)': main.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k=0; k<v.size(); k++) ~^~~~~~~~~ main.cpp:26:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<=aux.size() - v.size() && !ok; i++) ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:29:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<s.size() && !gasit; j++) ~^~~~~~~~~