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Appfolio LeetCode Interview Questions

Practice 30 real coding problems frequently asked in Appfolio technical interviews. Master these questions to ace your next Appfolio software engineering interview.

6 Easy
20 Medium
4 Hard

Top Topics at Appfolio

ArrayStringHash TableMathSorting

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Appfolio Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
K Closest Points to Origin
100%
MediumM
100%
ArrayMath+5
Solve→
Number of Islands II
91%
HardH
91%
ArrayHash Table+1
Solve→
Find First and Last Position of Element in Sorted Array
80%
MediumM
80%
ArrayBinary Search
Solve→
Walls and Gates
78%
MediumM
78%
ArrayBreadth-First Search+1
Solve→
Remove All Adjacent Duplicates in String II
78%
MediumM
78%
StringStack
Solve→
Maximum Number of Events That Can Be Attended
77%
MediumM
77%
ArrayGreedy+2
Solve→
Construct Quad Tree
73%
MediumM
73%
ArrayDivide and Conquer+2
Solve→
Shortest Word Distance II
73%
MediumM
73%
ArrayHash Table+3
Solve→
Zero Array Transformation II
70%
MediumM
70%
ArrayBinary Search+1
Solve→
Zigzag Conversion
69%
MediumM
69%
String
Solve→
The kth Factor of n
65%
MediumM
65%
MathNumber Theory
Solve→
String to Integer (atoi)
64%
MediumM
64%
String
Solve→
Longest Increasing Path in a Matrix
59%
HardH
59%
ArrayDynamic Programming+6
Solve→
Insert Delete GetRandom O(1)
57%
MediumM
57%
ArrayHash Table+3
Solve→
Add Two Integers
57%
EasyE
57%
Math
Solve→
Meeting Rooms II
55%
MediumM
55%
ArrayTwo Pointers+4
Solve→
Jump Game
51%
MediumM
51%
ArrayDynamic Programming+1
Solve→
Friends Of Appropriate Ages
51%
MediumM
51%
ArrayTwo Pointers+2
Solve→
Climbing Stairs
51%
EasyE
51%
MathDynamic Programming+1
Solve→
Minimum Limit of Balls in a Bag
46%
MediumM
46%
ArrayBinary Search
Solve→
Toeplitz Matrix
46%
EasyE
46%
ArrayMatrix
Solve→
LRU Cache
44%
MediumM
44%
Hash TableLinked List+2
Solve→
Majority Element
35%
EasyE
35%
ArrayHash Table+3
Solve→
Length of Last Word
31%
EasyE
31%
String
Solve→
Valid Palindrome III
31%
HardH
31%
StringDynamic Programming
Solve→

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Minimum Remove to Make Valid Parentheses
30%
MediumM
30%
StringStack
Solve→
Minimum Time to Visit a Cell In a Grid
27%
HardH
27%
ArrayBreadth-First Search+4
Solve→
Ransom Note
25%
EasyE
25%
Hash TableString+1
Solve→
Convert Binary Search Tree to Sorted Doubly Linked List
23%
MediumM
23%
Linked ListStack+5
Solve→
Line Reflection
21%
MediumM
21%
ArrayHash Table+1
Solve→

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Frequently Asked Questions

What LeetCode problems does Appfolio ask in interviews?

Appfolio commonly asks 30 coding problems in technical interviews, including K Closest Points to Origin, Number of Islands II, Find First and Last Position of Element in Sorted Array. The difficulty breakdown is 6 Easy, 20 Medium, and 4 Hard problems.

How should I prepare for a Appfolio coding interview?

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

What is the difficulty level of Appfolio coding interviews?

Based on our data, Appfolio interviews include 6 Easy (20%), 20 Medium (67%), and 4 Hard (13%) problems.

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