Eroare de compilare: user.cpp:6:1: error: ‘ifstream’ does not name a type ifstream f("huffman.in"); ^ user.cpp:7:1: error: ‘ofstream’ does not name a type ofstream g("huffman.out"); ^ user.cpp: In function ‘int main()’: user.cpp:13:5: error: ‘f’ was not declared in this scope f>>n; ^ user.cpp:44:5: error: ‘g’ was not declared in this scope g<<sol<<'\n'; ^