Compilare: user.cpp: In function 'void hashInsert(std::vector<std::pair<unsigned int, int>, std::allocator<std::pair<unsigned int, int> > >*, unsigned int)': user.cpp:24: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void hashErase(std::vector<std::pair<unsigned int, int>, std::allocator<std::pair<unsigned int, int> > >*, unsigned int)': user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int hashFind(std::vector<std::pair<unsigned int, int>, std::allocator<std::pair<unsigned int, int> > >*, unsigned int)': user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:90: warning: comparison between signed and unsigned integer expressions user.cpp:94: warning: comparison between signed and unsigned integer expressions user.cpp:96: warning: comparison between signed and unsigned integer expressions