Technical Blog
I document solution strategies, implementation patterns, and lessons from coding problems so I can build a reliable interview and engineering knowledge base.
May 15, 2026 · 3 min read
A concise walkthrough for Univalued Binary Tree with clear approach, complexity, and multi-language implementation templates.
May 13, 2026 · 3 min read
A concise walkthrough for Apply Transform Over Each Element in Array with clear approach, complexity, and multi-language implementation templates.
May 06, 2026 · 3 min read
A concise walkthrough for Weighted Word Mapping with clear approach, complexity, and multi-language implementation templates.
Apr 25, 2026 · 3 min read
A concise walkthrough for Merge Two 2D Arrays by Summing Values with clear approach, complexity, and multi-language implementation templates.
Apr 24, 2026 · 3 min read
A concise walkthrough for Valid Mountain Array with clear approach, complexity, and multi-language implementation templates.
Apr 19, 2026 · 3 min read
A concise walkthrough for Minimum Number of Removals to Make Mountain Array with clear approach, complexity, and multi-language implementation templates.
Apr 10, 2026 · 3 min read
A concise walkthrough for Zero Array Transformation III with clear approach, complexity, and multi-language implementation templates.
Apr 07, 2026 · 3 min read
A concise walkthrough for Remove Zero Sum Consecutive Nodes from Linked List with clear approach, complexity, and multi-language implementation templates.
Apr 05, 2026 · 3 min read
A concise walkthrough for Minimum Depth of Binary Tree with clear approach, complexity, and multi-language implementation templates.
Mar 30, 2026 · 4 min read
A practical walkthrough of how I use a hash map for Two Sum, including edge-case checks and why one-pass lookup is enough.
Mar 30, 2026 · 3 min read
A concise walkthrough for Reduction Operations to Make the Array Elements Equal with clear approach, complexity, and multi-language implementation templates.
Mar 28, 2026 · 5 min read
How I approach bracket-matching problems with a stack, and the exact checks that avoid false positives.