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Feb 6 · 5 min read · One of the most common questions beginners ask when entering machine learning is surprisingly simple: “How do I start a new ML project?” Not which algorithm to use, not which library is best, just where do I begin? The process isn’t magical. It’s sys...
Join discussionSep 10, 2025 · 3 min read · Me: “Okay, GfG / LeetCode - next permutation. I need the next lexicographically larger arrangement of this array (in-place). How do I do it?”Brain: “Easy. There's a greedy trick - find a pivot, swap with the smallest bigger element on its right, then...
Join discussionAug 31, 2025 · 4 min read · Competitive programming contests are always a mix of adrenaline, logic, and reality checks. In Weekly Contest 465, I managed to attempt 2 out of 4 problems. One was a smooth ride, while the other gave me a tough reality check - despite multiple attem...
Join discussionAug 30, 2025 · 3 min read · "Given a sorted 2D matrix (each row and column is sorted), and a target number, determine if the number exists in the matrix." At first glance, it looked simple. But as always, the devil is in the details. Here’s how my thought process evolved. Step ...
Join discussionAug 30, 2025 · 4 min read · When I first stumbled upon the problem “Count how many numbers from 1 to M are divisible by any number from a given set of primes”, it looked deceptively simple. The statement in my head was straightforward: Input: a set of primes arr, and a number ...
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