Dec 14, 2025 · 2 min read · Problem You are given an integer array prices where prices[i] is the price of a given stock on the ith day, and an integer k. Find the maximum profit you can achieve. You may complete at most k transactions: i.e. you may buy at most k times and sell ...
Join discussionDec 14, 2025 · 4 min read · Problem Given two strings word1 and word2, return the minimum number of operations required to convert word1 to word2. (link) You have the following three operations permitted on a word: Insert a character Delete a character Replace a character ...
Join discussionNov 10, 2025 · 1 min read · As I was preparing for frontend interviews, I realized that one of the trickiest concepts to explain clearly is memoization in React, especially when it comes to optimizing re-renders. So I created this visual to simplify how these three tools work t...
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Oct 20, 2025 · 1 min read · Brief DP - Those who cannot remember the past are condemned to repeat it. Approaches Dynamic programming we solve using the following 2 approaches. For any problem we go from the memoization to tabulation and followedby optimization of space. Memoiza...
Join discussionOct 15, 2025 · 2 min read · In React, when a parent component is updated, all of its child components will be rerendered even if the props are the same. It’s generally fine for simple components, but for those that perform expensive operations, there’s a performance gain in ens...
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Jul 20, 2025 · 3 min read · I’ve been using Next.js for about two years, and it still amazes me both how elegant the framework is and how much it streamlines development. It wasn’t always straightforward—until I dove in, spent countless nights learning how caching and rendering...
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Jul 12, 2025 · 9 min read · Picture this: you're building a search feature for an e-commerce site. Every time a user types a character, your app fires an API request. A user searching for "laptop" triggers six separate API calls in rapid succession. Your server groans under the...
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Jul 4, 2025 · 5 min read · Memoization is a powerful optimization technique in JavaScript that boosts performance by caching the results of expensive function calls and reusing them when the same inputs occur again. By avoiding redundant computations, memoization is ideal for ...
Join discussionJul 1, 2025 · 3 min read · Have you ever called the same function with the same inputs multiple times and wished it could just remember the result? That’s exactly what memoization helps with. Memoization is an optimization technique that stores the results of expensive functio...
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Jun 15, 2025 · 3 min read · 📖 Introduction Dynamic Programming (DP) is a fundamental technique in solving problems with overlapping subproblems and optimal substructure. Two core strategies used in DP are: Memoization (Top-Down) Tabulation (Bottom-Up) In this blog, we’ll b...
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