FFortunatus Olorunsola·Aug 9Solving 1920: how to store 2 numbers in 1For LeetCode 1920, an O(n) solution wasn't good enough. It wanted O(1) space. Here's the math trick (quotients & remainders) that makes it work.10 min read·fortunatus-notes.hashnode.dev
FFortunatus Olorunsola·Aug 9Where Elegant Solutions Actually Come FromWhy elegant solutions sting when you miss them — and why learning what's already discovered frees you to chase what isn't yet.3 min read·fortunatus-notes.hashnode.dev
DDoogal Simpson·Mar 3Why Doing Nothing is Mathematically Your Fastest Debugging ToolStuck on a bug? Learn how diffuse mode thinking helps you solve complex code problems by stepping away from the keyboard. Sometimes doing nothing is the fastest fix.5 min read·doogal.dev
AARCHANA GURUSAMY·Dec 1, 2025Problem: Leet Code 2733 - Numbers That Are Not Min or MaxUnveiling a simple approach to locate elements that aren't the minimum or maximum2 min read·archana-code-diary.hashnode.dev
AARCHANA GURUSAMY·Nov 28, 2025Problem: Leet Code 217-Contains DuplicateExplore a basic approach to detect duplicate entries in an array.2 min read·archana-code-diary.hashnode.dev
AARCHANA GURUSAMY·Nov 2, 2025Checkout the way to Reverse an ArrayMaster the In-Place Array Reversal with This Wise Guide2 min read·archana-code-diary.hashnode.dev
AARCHANA GURUSAMY·Oct 20, 2025Simple Guide to Finding Array Min and Max ValuesEfficiently determine min and max in arrays with this technique.2 min read·archana-code-diary.hashnode.dev
AARCHANA GURUSAMY·Oct 11, 2025Problem: Leet Code 342-Power of FourUncover helpful tips to identify a number as a power of 43 min read·archana-code-diary.hashnode.dev
AARCHANA GURUSAMY·Oct 10, 2025Problem: Leet Code 326-Power of ThreeDiscover techniques to verify if a number is power of three3 min read·archana-code-diary.hashnode.dev
AARCHANA GURUSAMY·Oct 7, 2025Problem: Leet Code 69-Sqrt(x)Find out how to easily solve for the square root of any non-negative number.3 min read·archana-code-diary.hashnode.dev
