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xai

25 interview questions available

What are processes vs threads?

Design agentic workflow to generate a 1-hour movie

Design a multi-level API rate limiter

Compute total active time per Twitter Space

Design a backend for an online checkers game

Maximize distinct values after unique ± offsets

Find kth element and sliding-window kth in stream

Implement a parallelized sort

Implement an in-memory database with TTL and backup

Fix race condition in concurrent deposit