Kth Smallest Element in a BST

1. 1
   Learn the pattern

   Pick the traversal first: inorder for BST order, level-order for depth, postorder to bubble info up.

2. 2
   Watch it run

   See this exact pattern animated step by step before you touch the keyboard.

   Open visualizer
3. 3
   Solve it

   Solve it on LeetCode, then mark it solved here to keep your streak alive.

   Solve on LeetCode Mark solved