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Smartthings LeetCode Interview Questions

Practice 22 real coding problems frequently asked in Smartthings technical interviews. Master these questions to ace your next Smartthings software engineering interview.

7 Easy
14 Medium
1 Hard

Top Topics at Smartthings

ArrayHash TableStringTwo PointersDepth-First Search

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Smartthings Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Lowest Common Ancestor of a Binary Tree
100%
MediumM
100%
TreeDepth-First Search+1
Solve→
Move Pieces to Obtain a String
96%
MediumM
96%
Two PointersString
Solve→
Zero Array Transformation II
89%
MediumM
89%
ArrayBinary Search+1
Solve→
Counting Bits
80%
EasyE
80%
Dynamic ProgrammingBit Manipulation
Solve→
Word Pattern II
78%
MediumM
78%
Hash TableString+1
Solve→
Merge Strings Alternately
72%
EasyE
72%
Two PointersString
Solve→
Continuous Subarray Sum
65%
MediumM
65%
ArrayHash Table+2
Solve→
Simplify Path
64%
MediumM
64%
StringStack
Solve→
Jump Game
57%
MediumM
57%
ArrayDynamic Programming+1
Solve→
Valid Parentheses
56%
EasyE
56%
StringStack
Solve→
Subarrays with K Different Integers
56%
HardH
56%
ArrayHash Table+2
Solve→
Maximum Size Subarray Sum Equals k
53%
MediumM
53%
ArrayHash Table+1
Solve→
Remove Duplicates from Sorted Array II
52%
MediumM
52%
ArrayTwo Pointers
Solve→
Longest Arithmetic Subsequence of Given Difference
41%
MediumM
41%
ArrayHash Table+1
Solve→
Valid Anagram
38%
EasyE
38%
Hash TableString+1
Solve→
Reverse Linked List
36%
EasyE
36%
Linked ListRecursion
Solve→
Search in Rotated Sorted Array
34%
MediumM
34%
ArrayBinary Search
Solve→
Make String a Subsequence Using Cyclic Increments
33%
MediumM
33%
Two PointersString
Solve→
Recyclable and Low Fat Products
27%
EasyE
27%
Database
Solve→
Same Tree
25%
EasyE
25%
TreeDepth-First Search+2
Solve→
Longest Consecutive Sequence
22%
MediumM
22%
ArrayHash Table+1
Solve→
Number of Distinct Islands
22%
MediumM
22%
Hash TableDepth-First Search+3
Solve→

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Frequently Asked Questions

What LeetCode problems does Smartthings ask in interviews?

Smartthings commonly asks 22 coding problems in technical interviews, including Lowest Common Ancestor of a Binary Tree, Move Pieces to Obtain a String, Zero Array Transformation II. The difficulty breakdown is 7 Easy, 14 Medium, and 1 Hard problems.

How should I prepare for a Smartthings coding interview?

Focus on the most frequently asked problems first, especially those with high frequency scores. Smartthings interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.

What is the difficulty level of Smartthings coding interviews?

Based on our data, Smartthings interviews include 7 Easy (32%), 14 Medium (64%), and 1 Hard (5%) problems.

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