Interview Q&A / Data Structures & Algorithms

INTERVIEW Q&A · 55 QUESTIONS

Data Structures & Algorithms interview questions

Arrays, linked lists, hashing, trees and patterns, with line-by-line code and complexity.

  1. How do you find the maximum in every sliding window of size k?

    Keep a deque of indices whose values are in decreasing order. Drop indices that left the window from the front, drop smaller values from the back before adding the new index, and the front is always the window maximum.

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