AlgoViz

Interview Questions

Sharpen your skills with a curated collection of algorithm and data structure problems from top tech companies.

Google

Two Sum
Tags: Array, Hash Table

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Linked List Cycle Detection
Tags: Linked List, Two Pointers

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Kth Largest Element in an Array
Tags: Array, Heap, Sorting

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Climbing Stairs
Tags: Dynamic Programming, Math

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Meta

Merge Sorted Arrays
Tags: Array, Two Pointers, Sorting

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Binary Tree Level Order Traversal
Tags: Tree, BFS, Queue

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Group Anagrams
Tags: Array, String, Hash Table

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Longest Substring Without Repeating Characters
Tags: String, Sliding Window, Hash Table

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Amazon

Valid Parentheses
Tags: String, Stack

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LRU Cache
Tags: Hash Table, Doubly Linked List, Design

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Maximum Subarray
Tags: Array, Dynamic Programming

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Flipkart

Coin Change
Tags: Array, Dynamic Programming

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Search in Rotated Sorted Array
Tags: Array, Binary Search

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Top K Frequent Elements
Tags: Array, Hash Table, Heap

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Netflix

Reverse a Linked List
Tags: Linked List, Two Pointers

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Merge Intervals
Tags: Array, Sorting

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