Borderou de evaluare (job #280088)

Eroare de compilare: user.cpp:2:6: error: stray ‘#’ in program user.cpp:2:6: error: ‘U’ does not name a type user.cpp: In function ‘int main()’: user.cpp:8:8: error: expected initializer before ‘>>’ token user.cpp:23:3: error: ‘cout’ was not declared in this scope user.cpp:23:3: note: suggested alternative: /usr/include/c++/4.6/iostream:62:18: note: ‘std::cout’ user.cpp:24:3: error: expected primary-expression before ‘return’ user.cpp:24:3: error: expected ‘;’ before ‘return’ user.cpp:7:13: warning: unused variable ‘a’ [-Wunused-variable] user.cpp:7:15: warning: unused variable ‘b’ [-Wunused-variable] user.cpp:7:17: warning: unused variable ‘d’ [-Wunused-variable]