Binary Search Tree on Rik Kisnah - Bloghttps://www.rik-kisnah.ai/tags/binary-search-tree/Recent content in Binary Search Tree on Rik Kisnah - BlogHugoenTue, 17 Sep 2019 09:00:00 -0700Validate a Binary Search Treehttps://www.rik-kisnah.ai/teach/coding/validate-a-binary-search-tree/Tue, 17 Sep 2019 09:00:00 -0700https://www.rik-kisnah.ai/teach/coding/validate-a-binary-search-tree/Is every node bigger than everything on its left and smaller than everything on its right? Checking only the children is the famous wrong answer. Carry a range down the tree instead.