Day 4: Daily Study Vlog — focused practice & planning

Today was a productive sprint — here’s what I covered:

DSA / Heaps
- Solved 2 heap-pattern problems: Kth Weakest Row in a Matrix and Kth Smallest Element in a Sorted Matrix.
- Read up on Binomial Heaps and Fibonacci Heaps — fascinating structures; I’ll need more time to master them but I’ll share follow-ups.
- Noticed I often dive deep into topics (great for intuition, sometimes not interview-critical) — curious how others balance depth vs breadth.

Graphs
- Revisited graph implementations (adjacency matrix & adjacency list) and refreshed BFS / DFS fundamentals.

System Design
- Implemented Token Bucket and Leaky Bucket rate-limiter algorithms.

Three more to go: Sliding Window Counter, Sliding Window Log, Fixed Window Counter — I studied pros/cons and scenario trade-offs for each.

Reflections & planning
- My prep feels a bit unorganized — I’ll start setting weekly targets to structure study time better. (Quick thought: try the “10-year plan in 6 months” technique — prioritize the most impactful actions.)

Would love to hear how you set weekly targets or decide how deep to study a topic — drop your approach in the comments.

Logistics
- I’m traveling to my hometown tomorrow and plan to read Database Internals on the train. If network permits, I might post from the train.

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Видео Day 4: Daily Study Vlog — focused practice & planning канала Roshan Daily Learnings