Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:59: error: ‘ifstream’ was not declared in this scope user.cpp:59: error: expected ‘;’ before ‘fin’ user.cpp:60: error: ‘fin’ was not declared in this scope user.cpp:69: error: ‘ofstream’ was not declared in this scope user.cpp:69: error: expected ‘;’ before ‘fout’ user.cpp:70: error: ‘fout’ was not declared in this scope