Borderou de evaluare (job #410108)

Eroare de compilare: user.cpp:4:12: error: variable ‘std::ifstream in’ has initializer but incomplete type user.cpp:5:13: error: variable ‘std::ofstream out’ has initializer but incomplete type user.cpp: In function ‘int main()’: user.cpp:10:2: error: expected ‘;’ before ‘for’ user.cpp:10:15: warning: statement has no effect [-Wunused-value] user.cpp:10:20: error: expected ‘;’ before ‘)’ token user.cpp:7:19: warning: unused variable ‘z’ [-Wunused-variable] user.cpp:7:30: warning: unused variable ‘s’ [-Wunused-variable] user.cpp:7:33: warning: unused variable ‘u’ [-Wunused-variable] user.cpp:7:36: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:7:41: warning: unused variable ‘a’ [-Wunused-variable]