Borderou de evaluare (job #470993)

Eroare de compilare: user.cpp:5:7: error: expected nested-name-specifier before ‘ull’ user.cpp:5:7: error: ‘ull’ has not been declared user.cpp:5:11: error: expected ‘;’ before ‘=’ token user.cpp:5:11: error: expected unqualified-id before ‘=’ token user.cpp:9:1: error: ‘ull’ does not name a type user.cpp: In function ‘void Back(int)’: user.cpp:14:13: error: ‘nr’ was not declared in this scope user.cpp:14:19: error: ‘x’ was not declared in this scope user.cpp:14:30: error: ‘y’ was not declared in this scope user.cpp:15:15: error: ‘rez’ was not declared in this scope user.cpp:20:9: error: ‘nr’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:31:17: error: ‘x’ was not declared in this scope user.cpp:31:22: error: ‘y’ was not declared in this scope user.cpp:33:13: error: ‘rez’ was not declared in this scope