Practice with the full bank, then narrow into a path.
Your active path is foundations track, but the catalog stays broad by default so you can spot harder reps, switch contexts quickly, and still return to the path that best matches your current goal. Starter includes 160 free problems and marks 94 Pro-only problems before you open a gate.
Start broad, then focus when you want structure.
Company labels help frame practice in a familiar business context. They are directional study aids, not official interview guidance from the companies listed. We keep all paths visible first so hard questions do not disappear.
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CVS Health
Interview Core Track
Weekend Staffing Gaps
Regional ops wants to find stores with no staffing at all during the weekend of 2024-08-17 and 2024-08-18. Return store_id and city for stores that had zero ...
CVS Health
Analytics Reporting Track
Vendor Delivery Gaps
The supply team wants to review long breaks between deliveries. For each vendor_id, return rows where the gap between one delivery and the previous delivery ...