Eroare de compilare: user.cpp:2:20: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:7: error: ‘fstream’ was not declared in this scope user.cpp:7: error: expected ‘;’ before ‘fin’ user.cpp:8: error: expected ‘;’ before ‘fout’ user.cpp:9: error: ‘fin’ was not declared in this scope user.cpp:30: error: ‘fout’ was not declared in this scope