Borderou de evaluare (job #162395)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:12: error: variable ‘std::ifstream f’ has initializer but incomplete type user.cpp:7:11: error: variable ‘std::ofstream g’ has initializer but incomplete type user.cpp:9:4: error: ‘N’ was not declared in this scope user.cpp:12:20: error: lvalue required as left operand of assignment user.cpp:12:21: error: expected ‘)’ before ‘;’ token user.cpp:12:22: error: expected primary-expression before ‘)’ token user.cpp:12:22: error: expected ‘;’ before ‘)’ token