Eroare de compilare: user.cpp: In function ‘void citire()’: user.cpp:16: error: ‘ifstream’ was not declared in this scope user.cpp:16: error: expected ‘;’ before ‘fin’ user.cpp:18: error: ‘fin’ was not declared in this scope user.cpp:17: warning: unused variable ‘j’ user.cpp: In function ‘void afisare()’: user.cpp:43: error: ‘ofstream’ was not declared in this scope user.cpp:43: error: expected ‘;’ before ‘fout’ user.cpp:45: error: ‘fout’ was not declared in this scope user.cpp:46: error: ‘cout’ was not declared in this scope user.cpp:49: error: ‘fout’ was not declared in this scope user.cpp:49: error: ‘endl’ was not declared in this scope user.cpp:50: error: ‘cout’ was not declared in this scope user.cpp:57: error: ‘fout’ was not declared in this scope