Eroare de compilare: user.cpp: In function ‘void add(hash_t&, int)’: user.cpp:14:6: warning: unused variable ‘bucket’ [-Wunused-variable] int bucket = hash_f(n); ^ user.cpp: In function ‘void remove(hash_t&, int)’: user.cpp:20:14: error: expected ‘;’ before ‘hash’ for (auto i hash) { ^ user.cpp:20:14: error: could not convert ‘hash’ from ‘hash_t {aka std::vector<std::list<int> >}’ to ‘bool’ user.cpp:20:18: error: expected ‘;’ before ‘)’ token for (auto i hash) { ^ user.cpp:21:7: error: use of ‘i’ before deduction of ‘auto’ if (i == n) { ^ user.cpp:22:4: error: use of ‘i’ before deduction of ‘auto’ i = -1; ^ user.cpp:19:6: warning: unused variable ‘bucket’ [-Wunused-variable] int bucket = hash_f(n); ^