Level 2

Applied · State and workflows

Use AI and search freely. Choose a problem by level; starting it records a separate timed attempt. Each problem is graded on accuracy (50), performance (30), and time (20).

1. 2-160 min

   Sales summary

   Group paid orders and rank category totals.

   Choose problem
2. 2-260 min

   Merge booking intervals

   Merge overlapping or touching booking intervals.

   Choose problem
3. 2-360 min

   Rebuild task state

   Rebuild the final task list from an action log.

   Choose problem
4. 2-460 min

   Schedule parallel jobs

   Assign jobs to workers and calculate completion times.

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5. 2-560 min

   Repair inventory reservations

   Reject insufficient stock and invalid quantities while preserving stock and reservation consistency.

   Choose problem