Eroare de compilare: user.cpp:1: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'int main()': user.cpp:11: error: 'ifstream' was not declared in this scope user.cpp:11: error: expected `;' before 'fin' user.cpp:12: error: 'fin' was not declared in this scope user.cpp:25: error: 'ofstream' was not declared in this scope user.cpp:25: error: expected `;' before 'fout' user.cpp:29: error: 'fout' was not declared in this scope user.cpp:30: error: 'fout' was not declared in this scope