Alten LeetCode Interview Questions
Practice 46 real coding problems frequently asked in Alten technical interviews. Master these questions to ace your next Alten software engineering interview.
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Alten Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Reverse Words in a String 100% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Tree 96% | MediumM | Solve→ |
Dot Product of Two Sparse Vectors 92% | MediumM | Solve→ |
Sliding Window Maximum 89% | HardH | Solve→ |
Simplify Path 85% | MediumM | Solve→ |
The kth Factor of n 84% | MediumM | Solve→ |
Kth Missing Positive Number 83% | EasyE | Solve→ |
String Compression 77% | MediumM | Solve→ |
Merge Sorted Array 77% | EasyE | Solve→ |
Insert Delete GetRandom O(1) 76% | MediumM | Solve→ |
Remove All Adjacent Duplicates in String II 75% | MediumM | Solve→ |
Check Completeness of a Binary Tree 74% | MediumM | Solve→ |
Valid Palindrome II 72% | EasyE | Solve→ |
Line Reflection 71% | MediumM | Solve→ |
Digit Operations to Make Two Integers Equal 70% | MediumM | Solve→ |
Create Hello World Function 68% | EasyE | Solve→ |
Move Pieces to Obtain a String 63% | MediumM | Solve→ |
Design an Ordered Stream 62% | EasyE | Solve→ |
Fraction to Recurring Decimal 59% | MediumM | Solve→ |
Flip Columns For Maximum Number of Equal Rows 59% | MediumM | Solve→ |
Letter Combinations of a Phone Number 59% | MediumM | Solve→ |
Minimum Array Sum 58% | MediumM | Solve→ |
Binary Tree Zigzag Level Order Traversal 58% | MediumM | Solve→ |
Merge Intervals 56% | MediumM | Solve→ |
Add Strings 56% | EasyE | Solve→ |
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Maximum Swap 55% | MediumM | Solve→ |
Largest Rectangle in Histogram 55% | HardH | Solve→ |
Reverse Nodes in k-Group 54% | HardH | Solve→ |
Valid Parentheses 53% | EasyE | Solve→ |
Design Snake Game 52% | MediumM | Solve→ |
Roman to Integer 50% | EasyE | Solve→ |
Maximum Number of Events That Can Be Attended 50% | MediumM | Solve→ |
All O`one Data Structure 47% | HardH | Solve→ |
IP to CIDR 45% | MediumM | Solve→ |
Missing Ranges 39% | EasyE | Solve→ |
Find Median from Data Stream 36% | HardH | Solve→ |
Check If N and Its Double Exist 34% | EasyE | Solve→ |
Make String a Subsequence Using Cyclic Increments 33% | MediumM | Solve→ |
Same Tree 32% | EasyE | Solve→ |
Combination Sum II 32% | MediumM | Solve→ |
Goat Latin 29% | EasyE | Solve→ |
Word Break II 28% | HardH | Solve→ |
Check If a Word Occurs As a Prefix of Any Word in a Sentence 26% | EasyE | Solve→ |
Longest Palindromic Substring 26% | MediumM | Solve→ |
Making A Large Island 24% | HardH | Solve→ |
Kth Largest Element in an Array 21% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Alten ask in interviews?
Alten commonly asks 46 coding problems in technical interviews, including Reverse Words in a String, Lowest Common Ancestor of a Binary Tree, Dot Product of Two Sparse Vectors. The difficulty breakdown is 13 Easy, 26 Medium, and 7 Hard problems.
How should I prepare for a Alten coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Alten interviews typically emphasize Array and String. Practice explaining your thought process while coding.
What is the difficulty level of Alten coding interviews?
Based on our data, Alten interviews include 13 Easy (28%), 26 Medium (57%), and 7 Hard (15%) problems.
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