Borderou de evaluare (job #557133)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:16: error: variable ‘std::ifstream in’ has initializer but incomplete type user.cpp:17:17: error: variable ‘std::ofstream out’ has initializer but incomplete type user.cpp:21:17: error: ‘o’ was not declared in this scope user.cpp:28:13: error: expected primary-expression before ‘}’ token user.cpp:28:13: error: expected ‘;’ before ‘}’ token user.cpp:30:20: error: expected primary-expression before ‘;’ token user.cpp:35:13: error: ‘else’ without a previous ‘if’ user.cpp:17:14: warning: unused variable ‘out’ [-Wunused-variable] user.cpp: At global scope: user.cpp:53:1: error: ‘in’ does not name a type user.cpp:54:1: error: ‘out’ does not name a type user.cpp:55:1: error: ‘cut’ does not name a type user.cpp:56:1: error: expected unqualified-id before ‘return’ user.cpp:57:1: error: expected declaration before ‘}’ token