Eroare de compilare: user.cpp:1:22: error: iostream.h: No such file or directory user.cpp:2:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:40: error: ‘fstream’ was not declared in this scope user.cpp:40: error: expected ‘;’ before ‘f’ user.cpp:41: error: ‘f’ was not declared in this scope user.cpp:46: error: ‘cout’ was not declared in this scope user.cpp:47: error: ‘f’ was not declared in this scope user.cpp:49: error: expected ‘;’ before ‘g’ user.cpp:51: error: ‘g’ was not declared in this scope user.cpp:52: error: ‘g’ was not declared in this scope