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Circle LeetCode Interview Questions

Practice 35 real coding problems frequently asked in Circle technical interviews. Master these questions to ace your next Circle software engineering interview.

9 Easy
20 Medium
6 Hard

Top Topics at Circle

ArrayBinary SearchHash TableSortingString

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Circle Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Kth Smallest Element in a Sorted Matrix
100%
MediumM
100%
ArrayBinary Search+3
Solve→
Combination Sum II
97%
MediumM
97%
ArrayBacktracking
Solve→
Goat Latin
91%
EasyE
91%
String
Solve→
Is Subsequence
91%
EasyE
91%
Two PointersString+1
Solve→
Search Insert Position
90%
EasyE
90%
ArrayBinary Search
Solve→
Flip Columns For Maximum Number of Equal Rows
84%
MediumM
84%
ArrayHash Table+1
Solve→
Two Best Non-Overlapping Events
81%
MediumM
81%
ArrayBinary Search+3
Solve→
Majority Element
79%
EasyE
79%
ArrayHash Table+3
Solve→
Word Ladder II
78%
HardH
78%
Hash TableString+2
Solve→
3Sum
73%
MediumM
73%
ArrayTwo Pointers+1
Solve→
Longest Repeating Character Replacement
71%
MediumM
71%
Hash TableString+1
Solve→
Remove Element
70%
EasyE
70%
ArrayTwo Pointers
Solve→
Missing Number
69%
EasyE
69%
ArrayHash Table+4
Solve→
Search Suggestions System
64%
MediumM
64%
ArrayString+4
Solve→
Maximum Product Subarray
55%
MediumM
55%
ArrayDynamic Programming
Solve→
Accounts Merge
54%
MediumM
54%
ArrayHash Table+5
Solve→
Capacity To Ship Packages Within D Days
53%
MediumM
53%
ArrayBinary Search
Solve→
Regular Expression Matching
52%
HardH
52%
StringDynamic Programming+1
Solve→
N-Queens
51%
HardH
51%
ArrayBacktracking
Solve→
Digit Operations to Make Two Integers Equal
51%
MediumM
51%
MathGraph+3
Solve→
Nested List Weight Sum
50%
MediumM
50%
Depth-First SearchBreadth-First Search
Solve→
Subarrays with K Different Integers
47%
HardH
47%
ArrayHash Table+2
Solve→
First Unique Character in a String
42%
EasyE
42%
Hash TableString+2
Solve→
Trips and Users
42%
HardH
42%
Database
Solve→
Minimum Time to Visit a Cell In a Grid
41%
HardH
41%
ArrayBreadth-First Search+4
Solve→

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Word Pattern II
35%
MediumM
35%
Hash TableString+1
Solve→
Copy List with Random Pointer
34%
MediumM
34%
Hash TableLinked List
Solve→
Counting Bits
34%
EasyE
34%
Dynamic ProgrammingBit Manipulation
Solve→
Continuous Subarrays
33%
MediumM
33%
ArrayQueue+4
Solve→
Course Schedule
32%
MediumM
32%
Depth-First SearchBreadth-First Search+2
Solve→
Frequency of the Most Frequent Element
31%
MediumM
31%
ArrayBinary Search+4
Solve→
Minimum Absolute Difference
30%
EasyE
30%
ArraySorting
Solve→
Search a 2D Matrix
28%
MediumM
28%
ArrayBinary Search+1
Solve→
Design Hit Counter
26%
MediumM
26%
ArrayBinary Search+3
Solve→
Zero Array Transformation II
24%
MediumM
24%
ArrayBinary Search+1
Solve→

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Frequently Asked Questions

What LeetCode problems does Circle ask in interviews?

Circle commonly asks 35 coding problems in technical interviews, including Kth Smallest Element in a Sorted Matrix, Combination Sum II, Goat Latin. The difficulty breakdown is 9 Easy, 20 Medium, and 6 Hard problems.

How should I prepare for a Circle coding interview?

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

What is the difficulty level of Circle coding interviews?

Based on our data, Circle interviews include 9 Easy (26%), 20 Medium (57%), and 6 Hard (17%) problems.

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