Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp:16: warning: ISO C++ forbids declaration of ‘main’ with no type user.cpp: In function ‘int main()’: user.cpp:25: error: ‘ofstream’ was not declared in this scope user.cpp:25: error: expected ‘;’ before ‘fo’ user.cpp:26: error: ‘fo’ was not declared in this scope user.cpp: In function ‘void read()’: user.cpp:40: error: ‘ifstream’ was not declared in this scope user.cpp:40: error: expected ‘;’ before ‘fi’ user.cpp:41: error: ‘fi’ was not declared in this scope