Compilare: user.cpp: In function ‘void fa_tabel_stramosi(std::vector<std::vector<int> >&)’: user.cpp:7:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1, intermediar; i < tabel_stramosi[i].capacity(); ++i){ ^ user.cpp:8:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < tabel_stramosi.size(); ++j){ ^ user.cpp:11:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(tabel_stramosi[intermediar].size() <= i-1){ ^