rakshapahariya.hashnode.dev🚀 Advent of Code Day 11 – Counting Paths Like a ProMemoized DFS, Clean Graph Parsing & High-Performance Path Logic (Pseudocode Only) When Advent of Code reaches the double digits, problems stop being cute and start becoming mathematically evil.Day 11 was exactly that — a deceptively simple “count all...Dec 11, 2025·3 min read
rakshapahariya.hashnode.devAdvent of Code Day 10 --- Optimizing Dual-Mode MachinesA Deep Dive into Bitmask Logic, Linear Algebra, and Smart State Search Introduction Day 10 of Advent of Code brings a refreshing twist---two completely different machine modes, two different interpretations of the same input... and a beautiful opport...Dec 10, 2025·4 min read
rakshapahariya.hashnode.devAdvent of Code Day 9 guide using maths! Movie Theater TilesA Clean, Modular & Powerful Approach (Pseudocode + Theory) Advent of Code Day 9 presented a fascinating challenge — a grid-based puzzle inspired by a movie theater floor. The problem involves red tiles on a grid and asks for the largest rectangle usi...Dec 9, 2025·3 min read
rakshapahariya.hashnode.devMaster Graph Connections in Advent of Code 2025 - Day 08 GuideAdvent of Code 2025 — Day 8: Connecting Points with Union-Find It's that time of year again! For developers, December isn't just about hot cocoa and holiday lights; it’s about Advent of Code (AoC), the annual series of festive programming puzzles tha...Dec 8, 2025·5 min read
rakshapahariya.hashnode.devAdvent of Code Day 7: Comparing Classical and Quantum BeamsA Clean, Modular & Powerful Approach (Pseudocode Only) When I saw Day 7 of Advent of Code, I knew this puzzle was going to be fun. A grid full of mirrors, a single light source, and two entirely different interpretations, Classical and Quantum.So I d...Dec 7, 2025·3 min read