Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:21: error: ‘ifstream’ was not declared in this scope user.cpp:21: error: expected ‘;’ before ‘fin’ user.cpp:23: error: ‘fin’ was not declared in this scope user.cpp:25: error: ‘fin’ was not declared in this scope user.cpp:27: error: ‘fin’ was not declared in this scope user.cpp:29: error: ‘fin’ was not declared in this scope user.cpp:35: error: ‘fin’ was not declared in this scope user.cpp:38: error: ‘ofstream’ was not declared in this scope user.cpp:38: error: expected ‘;’ before ‘fout’ user.cpp:39: error: ‘fout’ was not declared in this scope