Compilare: main.cpp: In member function 'bool HashMap::insert(int, int)': main.cpp:17:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i< data[poz].size();++i) ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool HashMap::erase(int)': main.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<data[poz].size();++i) ~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'int HashMap::get(int)': main.cpp:40:22: warning: self-comparison always evaluates to false [-Wtautological-compare] for(int i=0;i<i<data[poz].size();++i){ ~^~ main.cpp:40:22: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]