Borderou de evaluare (job #464849)

Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type user.cpp:4:1: error: ‘ofstream’ does not name a type user.cpp:9:7: error: expected unqualified-id before ‘[’ token user.cpp: In function ‘int main()’: user.cpp:18:5: error: ‘in’ was not declared in this scope user.cpp:21:13: error: ‘a’ was not declared in this scope user.cpp:23:11: error: ‘a’ was not declared in this scope user.cpp:23:24: error: ‘sort’ was not declared in this scope user.cpp:46:5: error: ‘out’ was not declared in this scope