Eroare de compilare: user.cpp: In member function ‘Hash Hash::operator+(const int&) const’: user.cpp:35:35: error: ‘base’ was not declared in this scope return Hash(ind, ti, (x * base + a) % mod1, (y * base + (uint)a)); ^ user.cpp:36:5: warning: control reaches end of non-void function [-Wreturn-type] } ^