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Popular Interview Questions
def lruCache(capacity): # Design an O(1) cache pass
LRU Cache Implementation
Design a data structure that follows the constraints of a Least Recently Used (LRU) cache with O(1) operations.
Google · Amazon · Microsoft
Longest Substring Without Repeating Chars
Find the length of the longest substring without repeating characters using a sliding window.
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Two Sum
Find two numbers in an array that add up to a target value. A must-know beginner problem.
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