topcoder 上提交代码总是errors compiling:
int _wrapper::thunk(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)

invalid use of undefined type ‘struct Inventory’
forward declaration of ‘struct Inventory’
不知道是什么错误!
可是我已经
class Inventory
{
public:
}
有了！