Data Structures & Algorithms
The screening round most product companies start with. Arrays, hashing, trees and complexity analysis, with the patterns that repeat across question sets.
6 questions 18 min read 48.2K candidates preparing
Before you sit for this round
- Explain time and space complexity for every solution you write
- Practise 3 problems daily for 6 weeks before the interview
- Talk through the brute force first, then optimise out loud
- Dry-run your code on one edge case before saying "done"
Questions & model answers
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