Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:13: error: ‘ifstream’ was not declared in this scope user.cpp:13: error: expected ‘;’ before ‘fin’ user.cpp:14: error: ‘ofstream’ was not declared in this scope user.cpp:14: error: expected ‘;’ before ‘fout’ user.cpp:15: error: ‘fin’ was not declared in this scope user.cpp:24: error: ‘fout’ was not declared in this scope user.cpp:24: error: expected ‘:’ before ‘;’ token user.cpp:24: error: expected primary-expression before ‘;’ token user.cpp:24: error: expected primary-expression before ‘:’ token user.cpp:24: error: expected ‘;’ before ‘:’ token user.cpp:27: error: ‘fout’ was not declared in this scope