Your comment: > the question is to explain how the red-black tree algorithm works. From your link: > Sample questions included: What’s a Red-Black Tree and w

Your comment: > the question is to explain how the red-black tree algorithm works. From your link: > Sample questions included: What’s a Red-Black Tree and what would you use it for? I don't see how those are equivalent. I also don't see how the latter two questions are equivalent to asking an interviewee to "balance a red-black tree".