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Practice coding, system design, behavioral, and project questions for frontier AI roles.
Every question has a public brief with the task, constraints, and follow-ups. Labels describe interactive practice access.
Reported interview periodN/A
Build a limiter, then add quota reporting, retry timing, and independent keys.
Practice focusPython, Queues, State, Boundary cases, Complexity through a runnable coding exercise.
Reported interview periodN/A
Reason about half-open intervals through conflicts, room counts, merging, and free slots.
Practice focusPython, Sorting, Intervals, Heaps, Edge cases through a runnable coding exercise.
Reported interview periodN/A
Return the vials that stayed inside a temperature range for their whole stay.
Practice focusScanning, Missing data through a written response exercise.
Reported interview periodN/A
Collapse consecutive comments on the same path into one batch.
Practice focusOrder, Grouping through a written response exercise.
Reported interview periodN/A
Return one valid order of steps, or report a cycle.
Practice focusOrdering, Cycles through a written response exercise.