/ tags/ breadth first search

# Leetcode 235: Lowest Common Ancestor of a Binary Search Tree

2025-10-13 2 min read

Find the lowest common ancestor of two nodes in a binary search tree, with step-by-step explanation and code examples in Python.

2025-10-12 2 min read

Check if a binary tree is a subtree of another tree, with step-by-step explanation and code examples in Python.

2025-10-04 2 min read

Invert a binary tree using recursive and iterative approaches, with step-by-step explanation and code examples in Python.