DSA · Week 1
Signal & Scale · Week 1 of 12 · 15 hours planned
Today is about
building recall.
One focused session. Explain the idea without notes, practice it, then leave a mistake worth reviewing.
0%
Readiness pulse
Evidence across four tracks
Your focused plan
Three deliberate blocks
System design
Interview framework
Start from requirements, estimate scale, and defend every component.Interview playbook
HTTP request lifecycle and REST basics
End with one artifact you can reuse in an interview.of 56 chapters complete
of 90 drills solved
design sessions saved
interview stories ready
This week’s proof
“Explain why hashing can replace an O(n²) search and the memory tradeoff.”Record the gap that slowed you down, then turn it into a review item.