Compilare: main.cpp: In function 'int verifica(int)': main.cpp:23:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i<hash_table[pozitie].size(); i++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:53:14: warning: 'aux' may be used uninitialized in this function [-Wmaybe-uninitialized] aux--; ^