Etched LeetCode Interview Questions
Practice 49 real coding problems frequently asked in Etched technical interviews. Master these questions to ace your next Etched software engineering interview.
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Etched Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Find K Closest Elements 100% | MediumM | Solve→ |
Maximum Subarray 97% | MediumM | Solve→ |
Frequency of the Most Frequent Element 95% | MediumM | Solve→ |
String to Integer (atoi) 91% | MediumM | Solve→ |
Check If N and Its Double Exist 84% | EasyE | Solve→ |
Remove Stones to Minimize the Total 82% | MediumM | Solve→ |
Alien Dictionary 82% | HardH | Solve→ |
Search Suggestions System 82% | MediumM | Solve→ |
4Sum 78% | MediumM | Solve→ |
Gas Station 75% | MediumM | Solve→ |
Word Search 71% | MediumM | Solve→ |
Design Snake Game 69% | MediumM | Solve→ |
Subarray Sum Equals K 67% | MediumM | Solve→ |
Single Number 67% | EasyE | Solve→ |
Valid Palindrome 66% | EasyE | Solve→ |
N-Queens 66% | HardH | Solve→ |
Course Schedule 64% | MediumM | Solve→ |
Line Reflection 64% | MediumM | Solve→ |
Reverse Nodes in k-Group 61% | HardH | Solve→ |
Is Subsequence 60% | EasyE | Solve→ |
First Unique Character in a String 60% | EasyE | Solve→ |
Maximum Sum of Distinct Subarrays With Length K 59% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Tree 58% | MediumM | Solve→ |
Design Hit Counter 58% | MediumM | Solve→ |
Open the Lock 57% | MediumM | Solve→ |
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Remove Nth Node From End of List 52% | MediumM | Solve→ |
Squares of a Sorted Array 49% | EasyE | Solve→ |
Kth Smallest Element in a Sorted Matrix 48% | MediumM | Solve→ |
Maximum Depth of Binary Tree 43% | EasyE | Solve→ |
Diameter of Binary Tree 43% | EasyE | Solve→ |
Remove Letter To Equalize Frequency 41% | EasyE | Solve→ |
LFU Cache 41% | HardH | Solve→ |
3Sum 39% | MediumM | Solve→ |
Minimum Limit of Balls in a Bag 37% | MediumM | Solve→ |
Final Array State After K Multiplication Operations I 36% | EasyE | Solve→ |
Combination Sum 35% | MediumM | Solve→ |
First Missing Positive 35% | HardH | Solve→ |
Maximum Swap 32% | MediumM | Solve→ |
Binary Tree Maximum Path Sum 31% | HardH | Solve→ |
Rank Teams by Votes 31% | MediumM | Solve→ |
Design Tic-Tac-Toe 30% | MediumM | Solve→ |
Ways to Make a Fair Array 29% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Tree III 29% | MediumM | Solve→ |
Check Completeness of a Binary Tree 27% | MediumM | Solve→ |
Custom Sort String 24% | MediumM | Solve→ |
Sort Integers by The Power Value 23% | MediumM | Solve→ |
Longest Arithmetic Subsequence of Given Difference 23% | MediumM | Solve→ |
Convert Sorted List to Binary Search Tree 22% | MediumM | Solve→ |
Friends Of Appropriate Ages 22% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Etched ask in interviews?
Etched commonly asks 49 coding problems in technical interviews, including Find K Closest Elements, Maximum Subarray, Frequency of the Most Frequent Element. The difficulty breakdown is 10 Easy, 33 Medium, and 6 Hard problems.
How should I prepare for a Etched coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Etched interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Etched coding interviews?
Based on our data, Etched interviews include 10 Easy (20%), 33 Medium (67%), and 6 Hard (12%) problems.
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