Borderou de evaluare (job #262379)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:5:3: error: ‘ifstream’ was not declared in this scope user.cpp:5:3: note: suggested alternative: /usr/include/c++/4.6/iosfwd:159:34: note: ‘std::ifstream’ user.cpp:5:12: error: expected ‘;’ before ‘fin’ user.cpp:6:3: error: ‘ofstream’ was not declared in this scope user.cpp:6:3: note: suggested alternative: /usr/include/c++/4.6/iosfwd:162:34: note: ‘std::ofstream’ user.cpp:6:12: error: expected ‘;’ before ‘fout’ user.cpp:8:3: error: ‘cin’ was not declared in this scope user.cpp:18:28: error: ‘cout’ was not declared in this scope user.cpp:20:8: error: ‘cout’ was not declared in this scope