Infor — DSA Interview Questions

30 problems with animated explanations & C# solutions. (~25 common interview questions)

Step through algorithms visually, then solve with stdin/stdout auto-judge.

Hard Reconstruct Itinerary
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Easy Min Cost Climbing Stairs
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Medium Maximum Product Subarray
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Medium Coin Change 2
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Hard Regular Expression Matching
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Medium Partition Labels
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Hard Minimum Interval to Include Each Query
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Medium Multiply Strings
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Medium Sum of Two Integers
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Medium Product of Array Except Self
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Medium Container With Most Water
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Hard Sliding Window Maximum
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Hard Largest Rectangle in Histogram
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Hard Median of Two Sorted Arrays
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Easy Linked List Cycle
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Easy Diameter of Binary Tree
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Medium Count Good Nodes in Binary Tree
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Medium Design Add and Search Words Data Structure
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Medium Design Twitter
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Medium Word Search
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Medium Pacific Atlantic Water Flow
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Medium Number of Connected Components in an Undirected Graph
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Hard Alien Dictionary
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Medium Palindromic Substrings
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Medium Unique Paths
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Hard Distinct Subsequences
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Medium Gas Station
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Medium Non-overlapping Intervals
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Easy Happy Number
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Easy Counting Bits
Animate All companies
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