Borderou de evaluare (job #553954)

Eroare de compilare: user.cpp:2:1: error: ‘ifstream’ does not name a type user.cpp:3:1: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:10:19: warning: left operand of comma operator has no effect [-Wunused-value] user.cpp:10:21: error: expected ‘;’ before ‘)’ token user.cpp:13:9: error: ‘in’ was not declared in this scope user.cpp:15:9: error: ‘out’ was not declared in this scope user.cpp:17:9: error: ‘out’ was not declared in this scope