Technical Blog

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.

Jun 03, 2026 · 3 min read

Delete and Earn: Pattern and Complexity Walkthrough

A concise walkthrough for Delete and Earn with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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Jun 02, 2026 · 3 min read

Lexicographically Smallest String After Applying Operations: Pattern and Complexity Walkthrough

A concise walkthrough for Lexicographically Smallest String After Applying Operations with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCodeData Structures
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May 31, 2026 · 3 min read

Maximum Score Using Exactly K Pairs: Pattern and Complexity Walkthrough

A concise walkthrough for Maximum Score Using Exactly K Pairs with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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May 30, 2026 · 3 min read

Excel Sheet Column Number: Pattern and Complexity Walkthrough

A concise walkthrough for Excel Sheet Column Number with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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May 29, 2026 · 3 min read

Shortest Subarray with Sum at Least K: Pattern and Complexity Walkthrough

A concise walkthrough for Shortest Subarray with Sum at Least K with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCodeData Structures
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May 28, 2026 · 3 min read

Where Will the Ball Fall: Pattern and Complexity Walkthrough

A concise walkthrough for Where Will the Ball Fall with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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May 27, 2026 · 3 min read

First Unique Character in a String: Pattern and Complexity Walkthrough

A concise walkthrough for First Unique Character in a String with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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May 24, 2026 · 3 min read

Sum of Two Integers: Pattern and Complexity Walkthrough

A concise walkthrough for Sum of Two Integers with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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May 23, 2026 · 3 min read

Find K-th Smallest Pair Distance: Pattern and Complexity Walkthrough

A concise walkthrough for Find K-th Smallest Pair Distance with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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May 22, 2026 · 3 min read

K Items With the Maximum Sum: Pattern and Complexity Walkthrough

A concise walkthrough for K Items With the Maximum Sum with clear approach, complexity, and multi-language implementation templates.

AlgorithmsLeetCode
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