Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:18: error: ‘ifstream’ was not declared in this scope user.cpp:18: error: expected ‘;’ before ‘fin’ user.cpp:19: error: ‘ofstream’ was not declared in this scope user.cpp:19: error: expected ‘;’ before ‘fout’ user.cpp:23: error: ‘fin’ was not declared in this scope user.cpp:30: error: ‘fout’ was not declared in this scope