Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:21: error: invalid types ‘int[int]’ for array subscript ++M[A[j]]; ^ user.cpp:28:55: error: request for member ‘begin’ in ‘M’, which is of non-class type ‘int’ for (unordered_map<int, int>::iterator it = M.begin(); it != M.end(); ++it) ^ user.cpp:28:72: error: request for member ‘end’ in ‘M’, which is of non-class type ‘int’ for (unordered_map<int, int>::iterator it = M.begin(); it != M.end(); ++it) ^