Borderou de evaluare (job #175318)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:5:5: error: ‘ifstream’ was not declared in this scope user.cpp:5:5: note: suggested alternative: /usr/include/c++/4.6/iosfwd:159:34: note: ‘std::ifstream’ user.cpp:5:14: error: expected ‘;’ before ‘in’ user.cpp:6:5: error: ‘ofstream’ was not declared in this scope user.cpp:6:5: note: suggested alternative: /usr/include/c++/4.6/iosfwd:162:34: note: ‘std::ofstream’ user.cpp:6:14: error: expected ‘;’ before ‘out’ user.cpp:9:5: error: ‘in’ was not declared in this scope user.cpp:10:5: error: ‘out’ was not declared in this scope