Compilare: user.cpp: In function ‘bool verif(int, int)’: user.cpp:18:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(aux.size() >= poz) ^ user.cpp:20:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < aux.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:34:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < fin.size(); i++) ^