Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp: In function ‘void cit()’: user.cpp:11: error: ‘fin’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:86: error: ‘ifstream’ was not declared in this scope user.cpp:86: error: expected ‘;’ before ‘fin’ user.cpp:87: error: ‘ofstream’ was not declared in this scope user.cpp:87: error: expected ‘;’ before ‘fout’ user.cpp:92: error: ‘fout’ was not declared in this scope user.cpp:95: error: ‘fin’ was not declared in this scope