Udacity LeetCode Interview Questions
Practice 37 real coding problems frequently asked in Udacity technical interviews. Master these questions to ace your next Udacity software engineering interview.
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Udacity Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Moving Average from Data Stream 100% | EasyE | Solve→ |
Remove Stones to Minimize the Total 89% | MediumM | Solve→ |
Sqrt(x) 84% | EasyE | Solve→ |
Implement Queue using Stacks 82% | EasyE | Solve→ |
Open the Lock 81% | MediumM | Solve→ |
Min Stack 81% | MediumM | Solve→ |
Nested List Weight Sum 77% | MediumM | Solve→ |
N-Queens 77% | HardH | Solve→ |
Two City Scheduling 76% | MediumM | Solve→ |
Kth Smallest Element in a Sorted Matrix 74% | MediumM | Solve→ |
Valid Parentheses 73% | EasyE | Solve→ |
Best Time to Buy and Sell Stock 71% | EasyE | Solve→ |
Minimum Add to Make Parentheses Valid 70% | MediumM | Solve→ |
Trapping Rain Water 67% | HardH | Solve→ |
Shortest Palindrome 66% | HardH | Solve→ |
Design an Array Statistics Tracker 64% | HardH | Solve→ |
Maximum Number of Events That Can Be Attended 62% | MediumM | Solve→ |
Linked List Cycle 60% | EasyE | Solve→ |
Reveal Cards In Increasing Order 58% | MediumM | Solve→ |
Word Pattern II 57% | MediumM | Solve→ |
Clone Graph 57% | MediumM | Solve→ |
Subarrays with K Different Integers 54% | HardH | Solve→ |
Coin Change II 53% | MediumM | Solve→ |
Making A Large Island 53% | HardH | Solve→ |
Minimum Time to Visit a Cell In a Grid 48% | HardH | Solve→ |
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Minimum Path Sum 48% | MediumM | Solve→ |
Subsets 43% | MediumM | Solve→ |
Longest Increasing Path in a Matrix 42% | HardH | Solve→ |
Find the Index of the First Occurrence in a String 40% | EasyE | Solve→ |
Line Reflection 31% | MediumM | Solve→ |
Longest Consecutive Sequence 28% | MediumM | Solve→ |
Diagonal Traverse 28% | MediumM | Solve→ |
Minimum Remove to Make Valid Parentheses 26% | MediumM | Solve→ |
Length of Last Word 25% | EasyE | Solve→ |
Valid Sudoku 23% | MediumM | Solve→ |
Rank Transform of a Matrix 22% | HardH | Solve→ |
Buildings With an Ocean View 20% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Udacity ask in interviews?
Udacity commonly asks 37 coding problems in technical interviews, including Moving Average from Data Stream, Remove Stones to Minimize the Total, Sqrt(x). The difficulty breakdown is 8 Easy, 20 Medium, and 9 Hard problems.
How should I prepare for a Udacity coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Udacity interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Udacity coding interviews?
Based on our data, Udacity interviews include 8 Easy (22%), 20 Medium (54%), and 9 Hard (24%) problems.
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