Eroare de compilare: user.cpp:2:2: error: invalid preprocessing directive #incl user.cpp: In function ‘void citire()’: user.cpp:8: error: ‘stdin’ was not declared in this scope user.cpp:8: error: ‘freopen’ was not declared in this scope user.cpp:9: error: ‘stdout’ was not declared in this scope user.cpp:12: error: ‘scanf’ was not declared in this scope user.cpp: In function ‘void afis()’: user.cpp:31: error: ‘printf’ was not declared in this scope user.cpp:32: error: ‘printf’ was not declared in this scope