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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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 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
Read postMay 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
Read postMay 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
Read postMay 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
Read postMay 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
Read postMay 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
Read postMay 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
Read postMay 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
Read postMay 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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