Unit 16 · Module 4 · Algorithms that actually show up
The interview patterns: two pointers, sliding window, binary search
Three shapes that cover a surprising share of the question bank.
Unit 16 of the free 49-unit computer-science course, in algorithms that actually show up. A short self-check.
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Self-check — 3 questions
Answer alone, at 2am, with no interviewer in the room.