EY — DSA Interview Questions

30 problems with animated explanations & C# solutions. (~50 common interview questions)

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

Medium Longest Palindromic Substring
Animate
Medium Partition Equal Subset Sum
Animate
Hard Longest Increasing Path in a Matrix
Animate
Medium Jump Game II
Animate
Medium Merge Intervals
Animate
Medium Set Matrix Zeroes
Animate
Easy Number of 1 Bits
Animate
Easy Valid Anagram
Animate
Medium Longest Consecutive Sequence
Animate
Medium Longest Substring Without Repeating Characters
Animate
Medium Evaluate Reverse Polish Notation
Animate
Medium Koko Eating Bananas
Animate
Medium Reorder List
Animate
Hard Merge k Sorted Lists
Animate
Easy Subtree of Another Tree
Animate
Medium Construct Binary Tree from Preorder and Inorder Traversal
Animate
Easy Last Stone Weight
Animate
Medium Combination Sum
Animate
Hard N-Queens
Animate
Medium Walls and Gates
Animate
Hard Reconstruct Itinerary
Animate
Easy Min Cost Climbing Stairs
Animate
Medium Maximum Product Subarray
Animate
Medium Coin Change 2
Animate
Hard Regular Expression Matching
Animate
Medium Partition Labels
Animate
Hard Minimum Interval to Include Each Query
Animate
Medium Multiply Strings
Animate
Medium Sum of Two Integers
Animate
Medium Product of Array Except Self
Animate All companies
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