Compilare: main.cpp: In function 'bool cautare(int)': main.cpp:12:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i< hashtable[index].size(); i++) ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void stergere(int)': main.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < hashtable[m].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~