diff --git a/exercises/binary-search-tree/description.md b/exercises/binary-search-tree/description.md index bbfcad82b0..f49145c50e 100644 --- a/exercises/binary-search-tree/description.md +++ b/exercises/binary-search-tree/description.md @@ -19,29 +19,23 @@ All data in the left subtree is less than or equal to the current node's data, a For example, if we had a node containing the data 4, and we added the data 2, our tree would look like this: - 4 - / - 2 +![A graph with root node 4 and a single child node 2.](https://assets.exercism.org/images/exercises/binary-search-tree/tree-4-2.svg) If we then added 6, it would look like this: - 4 - / \ - 2 6 +![A graph with root node 4 and two child nodes 2 and 6.](https://assets.exercism.org/images/exercises/binary-search-tree/tree-4-2-6.svg) If we then added 3, it would look like this - 4 - / \ - 2 6 - \ - 3 +![A graph with root node 4, two child nodes 2 and 6, and a grandchild node 3.](https://assets.exercism.org/images/exercises/binary-search-tree/tree-4-2-6-3.svg) And if we then added 1, 5, and 7, it would look like this - 4 - / \ - / \ - 2 6 - / \ / \ - 1 3 5 7 +![A graph with root node 4, two child nodes 2 and 6, and four grandchild nodes 1, 3, 5 and 7.](https://assets.exercism.org/images/exercises/binary-search-tree/tree-4-2-6-1-3-5-7.svg) + +## Credit + +The images were created by [habere-et-dispertire][habere-et-dispertire] using [PGF/TikZ][pgf-tikz] by Till Tantau. + +[habere-et-dispertire]: https://exercism.org/profiles/habere-et-dispertire +[pgf-tikz]: https://en.wikipedia.org/wiki/PGF/TikZ