Compilare: main.cpp: In instantiation of 'std::pair<int, int> HashMap<K, V>::m_find(K) [with K = unsigned int; V = int]': main.cpp:42:22: required from 'V HashMap<K, V>::get(K) [with K = unsigned int; V = int]' main.cpp:86:31: required from here main.cpp:61:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < hash_map[hashed_key].size(); i++)