Eroare de compilare: user.cpp:1:22: error: iostream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:11: error: ‘FILE’ was not declared in this scope user.cpp:11: error: ‘f’ was not declared in this scope user.cpp:11: error: ‘fopen’ was not declared in this scope user.cpp:12: error: ‘fscanf’ was not declared in this scope user.cpp:19: error: ‘fclose’ was not declared in this scope user.cpp:52: error: ‘g’ was not declared in this scope user.cpp:53: error: ‘fprintf’ was not declared in this scope