Compilare: main.cpp: In function 'bool Find(const int&)': main.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < h[p].size();++i) ~~^~~~~~~~~~~~~ main.cpp: In function 'void Delete(const int&)': main.cpp:32:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < h[p].size();++i) ~~^~~~~~~~~~~~~ main.cpp:30:6: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] int pos; ^~~