HF RL Explorer

Task 387

Task 387: development task in emrekuruu/math-openenv, an RL environment on the Hugging Face Hub. I have 5 books, two of which are identical copies of the same math book (and all of the rest of the books are different). In how many ways can I arrange them on a shelf?

The task

I have 5 books, two of which are identical copies of the same math book (and all of the rest of the books are different). In how many ways can I arrange them on a shelf?