Apr 15, 2026 · 3 min read
Substring Matching Pattern: Pattern and Complexity Walkthrough
A concise walkthrough for Substring Matching Pattern with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCode
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Algorithms and Problem Solving Notes
I document solution strategies, implementation patterns, and lessons from coding problems so I can build a reliable interview and engineering knowledge base.
Apr 14, 2026 · 3 min read
Number of Submatrices That Sum to Target: Pattern and Complexity Walkthrough
A concise walkthrough for Number of Submatrices That Sum to Target with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCode
Read postApr 13, 2026 · 3 min read
Longer Contiguous Segments of Ones than Zeros: Pattern and Complexity Walkthrough
A concise walkthrough for Longer Contiguous Segments of Ones than Zeros with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCode
Read postApr 10, 2026 · 3 min read
Zero Array Transformation III: Pattern and Complexity Walkthrough
A concise walkthrough for Zero Array Transformation III with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCodeData Structures
Read postApr 07, 2026 · 3 min read
Remove Zero Sum Consecutive Nodes from Linked List: Pattern and Complexity Walkthrough
A concise walkthrough for Remove Zero Sum Consecutive Nodes from Linked List with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCodeData Structures
Read postApr 06, 2026 · 3 min read
Decode the Slanted Ciphertext: Pattern and Complexity Walkthrough
A concise walkthrough for Decode the Slanted Ciphertext with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCode
Read postApr 05, 2026 · 3 min read
Minimum Depth of Binary Tree: Pattern and Complexity Walkthrough
A concise walkthrough for Minimum Depth of Binary Tree with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCodeData Structures
Read postApr 04, 2026 · 3 min read
IPO: Pattern and Complexity Walkthrough
A concise walkthrough for IPO with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCode
Read postApr 01, 2026 · 3 min read
Minimum Cost to Make Two Binary Strings Equal: Pattern and Complexity Walkthrough
A concise walkthrough for Minimum Cost to Make Two Binary Strings Equal with clear approach, complexity, and multi-language implementation templates.
AlgorithmsLeetCode
Read postMar 30, 2026 · 4 min read
Two Sum with Hash Map: My Reliable O(n) Pattern
A practical walkthrough of how I use a hash map for Two Sum, including edge-case checks and why one-pass lookup is enough.
AlgorithmsData StructuresLeetCode
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