Links
Use these as anchors, not distractions.
LeetCode
Practice platform for DSA; focus on patterns and review.
GeeksForGeeks
Quick references + explanations when you need a second angle.
System Design Primer
A solid checklist of concepts and trade-offs for HLD interviews.
Design Patterns
A friendly reference for LLD conversations and terminology.
Roadmap.sh
Skill maps — use it to identify gaps, then come back to practice.
Coding Interview University
Long-form CS fundamentals; don’t try to do it all at once.
Rule
If a resource doesn’t translate into “I can solve and explain problems better” within a week, remove it from your list.