training-leetcode/ ├── problems/ # LeetCode problems organized by ID and slug │ └── 0002_add_two_numbers/ # Example problem │ ├── README.md # Problem description and approach │ ├── solution.py # ...

Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next will return the next smallest number in the BST. next and hasNext ...

Welcome to the DSA LeetCode Training repository! This project contains solutions to various LeetCode problems, organized by topic and difficulty level. It serves as both a personal practice log and a ...