在c++中创建一个基数为6的大数组?

I have an assignment in C++ where the computer has to guess a sequence of numbers between a large range. However, the range is in base 6. I'm trying to create a large array (around 1300 elements) that can be incremented and manipulated (certain elements that contain numbers in a specific place can be removed/not incremented), but I don't even know how to create an array (or vector) in something other than base 10. Every time I look for help online I can only find stuff about base classes and pointers, which doesn't help me. I have an assignment in C++ where the computer