Daily blog
What I did, day by day
What I worked on, what clicked, where I got stuck, and what's next. 2 entries so far.
October 2026
Graphs + Java fundamentals
Focus areas: DSA (3 hrs) and Java fundamentals (1 hr). Map of Highest Peak: multi-source BFS from every water cell at height 0; each BFS layer is one higher. Surrounded Regions:…
Graph day: 3 problems
Focus area: DSA only. Spent 2 hours on graphs and solved three problems. Minimum Genetic Mutation: shortest path in an implicit graph, where each gene string is a node and a…