Appier LeetCode Interview Questions

Practice 45 coding problems currently tagged to Appier. Use the frequency and topic signals to build a focused software engineering interview practice plan.

7 Easy

28 Medium

10 Hard

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Problem	DifficultyDiff	Frequency	Topics	Action
Two Sum II - Input Array Is Sorted 100%	MediumM	100%	Array Two Pointers+1	Solve→
House Robber 93%	MediumM	93%	Array Dynamic Programming	Solve→
Search Suggestions System 90%	MediumM	90%	Array String+4	Solve→
N-Queens 85%	HardH	85%	Array Backtracking	Solve→
Missing Number 79%	EasyE	79%	Array Hash Table+4	Solve→
K Inverse Pairs Array 77%	HardH	77%	Dynamic Programming	Solve→
The kth Factor of n 77%	MediumM	77%	Math Number Theory	Solve→
First Missing Positive 76%	HardH	76%	Array Hash Table	Solve→
Minimum Add to Make Parentheses Valid 75%	MediumM	75%	String Stack+1	Solve→
Merge Two Sorted Lists 72%	EasyE	72%	Linked List Recursion	Solve→
Invalid Transactions 71%	MediumM	71%	Array Hash Table+2	Solve→
Minimum Path Sum 70%	MediumM	70%	Array Dynamic Programming+1	Solve→
Max Stack 69%	HardH	69%	Linked List Stack+3	Solve→
Unique Paths II 68%	MediumM	68%	Array Dynamic Programming+1	Solve→
Permutation in String 67%	MediumM	67%	Hash Table Two Pointers+2	Solve→
Rank Transform of a Matrix 66%	HardH	66%	Array Union Find+4	Solve→
Friends Of Appropriate Ages 64%	MediumM	64%	Array Two Pointers+2	Solve→
Letter Combinations of a Phone Number 62%	MediumM	62%	Hash Table String+1	Solve→
Longest Increasing Path in a Matrix 61%	HardH	61%	Array Dynamic Programming+6	Solve→
LRU Cache 58%	MediumM	58%	Hash Table Linked List+2	Solve→
Daily Temperatures 55%	MediumM	55%	Array Stack+1	Solve→
Reverse Nodes in k-Group 55%	HardH	55%	Linked List Recursion	Solve→
Group Anagrams 54%	MediumM	54%	Array Hash Table+2	Solve→
Search in Rotated Sorted Array 53%	MediumM	53%	Array Binary Search	Solve→
Pascal's Triangle 52%	EasyE	52%	Array Dynamic Programming	Solve→

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Number of Ships in a Rectangle 52%	HardH	52%	Array Divide and Conquer+1	Solve→
Binary Tree Right Side View 49%	MediumM	49%	Tree Depth-First Search+2	Solve→
K-diff Pairs in an Array 49%	MediumM	49%	Array Hash Table+3	Solve→
Insert Delete GetRandom O(1) 48%	MediumM	48%	Array Hash Table+3	Solve→
Number of Distinct Islands 48%	MediumM	48%	Hash Table Depth-First Search+3	Solve→
Koko Eating Bananas 47%	MediumM	47%	Array Binary Search	Solve→
Create Hello World Function 44%	EasyE	44%		Solve→
Lowest Common Ancestor of a Binary Search Tree 44%	MediumM	44%	Tree Depth-First Search+2	Solve→
Lowest Common Ancestor of a Binary Tree 41%	MediumM	41%	Tree Depth-First Search+1	Solve→
Rotate Image 40%	MediumM	40%	Array Math+1	Solve→
Continuous Subarray Sum 40%	MediumM	40%	Array Hash Table+2	Solve→
Reverse Linked List 38%	EasyE	38%	Linked List Recursion	Solve→
Zero Array Transformation III 37%	MediumM	37%	Array Greedy+3	Solve→
Next Permutation 35%	MediumM	35%	Array Two Pointers	Solve→
Maximum Number of Occurrences of a Substring 31%	MediumM	31%	Hash Table String+1	Solve→
Palindrome Linked List 31%	EasyE	31%	Linked List Two Pointers+2	Solve→
Making A Large Island 29%	HardH	29%	Array Depth-First Search+3	Solve→
Merge Strings Alternately 27%	EasyE	27%	Two Pointers String	Solve→
Word Search 27%	MediumM	27%	Array String+2	Solve→
Integer to English Words 20%	HardH	20%	Math String+1	Solve→

Explore company practice sets with a similar number of tagged coding questions.

Frequently Asked Questions

What LeetCode problems are tagged to Appier?

Our current Appier practice dataset contains 45 tagged coding problems, including Two Sum II - Input Array Is Sorted, House Robber, Search Suggestions System. The difficulty breakdown is 7 Easy, 28 Medium, and 10 Hard problems.

How should I prepare for a Appier coding interview?

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

What is the difficulty level of Appier coding interviews?

Based on our data, Appier interviews include 7 Easy (16%), 28 Medium (62%), and 10 Hard (22%) problems.

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Appier LeetCode Interview Questions

Practice 45 coding problems currently tagged to Appier. Use the frequency and topic signals to build a focused software engineering interview practice plan.

7 Easy

28 Medium

10 Hard

Problem	DifficultyDiff	Frequency	Topics	Action
Two Sum II - Input Array Is Sorted 100%	MediumM	100%	Array Two Pointers+1	Solve→
House Robber 93%	MediumM	93%	Array Dynamic Programming	Solve→
Search Suggestions System 90%	MediumM	90%	Array String+4	Solve→
N-Queens 85%	HardH	85%	Array Backtracking	Solve→
Missing Number 79%	EasyE	79%	Array Hash Table+4	Solve→
K Inverse Pairs Array 77%	HardH	77%	Dynamic Programming	Solve→
The kth Factor of n 77%	MediumM	77%	Math Number Theory	Solve→
First Missing Positive 76%	HardH	76%	Array Hash Table	Solve→
Minimum Add to Make Parentheses Valid 75%	MediumM	75%	String Stack+1	Solve→
Merge Two Sorted Lists 72%	EasyE	72%	Linked List Recursion	Solve→
Invalid Transactions 71%	MediumM	71%	Array Hash Table+2	Solve→
Minimum Path Sum 70%	MediumM	70%	Array Dynamic Programming+1	Solve→
Max Stack 69%	HardH	69%	Linked List Stack+3	Solve→
Unique Paths II 68%	MediumM	68%	Array Dynamic Programming+1	Solve→
Permutation in String 67%	MediumM	67%	Hash Table Two Pointers+2	Solve→
Rank Transform of a Matrix 66%	HardH	66%	Array Union Find+4	Solve→
Friends Of Appropriate Ages 64%	MediumM	64%	Array Two Pointers+2	Solve→
Letter Combinations of a Phone Number 62%	MediumM	62%	Hash Table String+1	Solve→
Longest Increasing Path in a Matrix 61%	HardH	61%	Array Dynamic Programming+6	Solve→
LRU Cache 58%	MediumM	58%	Hash Table Linked List+2	Solve→
Daily Temperatures 55%	MediumM	55%	Array Stack+1	Solve→
Reverse Nodes in k-Group 55%	HardH	55%	Linked List Recursion	Solve→
Group Anagrams 54%	MediumM	54%	Array Hash Table+2	Solve→
Search in Rotated Sorted Array 53%	MediumM	53%	Array Binary Search	Solve→
Pascal's Triangle 52%	EasyE	52%	Array Dynamic Programming	Solve→

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Get real-time solutions during your actual coding interview. Invisible to screensharing.

Start Free Trial

Number of Ships in a Rectangle 52%	HardH	52%	Array Divide and Conquer+1	Solve→
Binary Tree Right Side View 49%	MediumM	49%	Tree Depth-First Search+2	Solve→
K-diff Pairs in an Array 49%	MediumM	49%	Array Hash Table+3	Solve→
Insert Delete GetRandom O(1) 48%	MediumM	48%	Array Hash Table+3	Solve→
Number of Distinct Islands 48%	MediumM	48%	Hash Table Depth-First Search+3	Solve→
Koko Eating Bananas 47%	MediumM	47%	Array Binary Search	Solve→
Create Hello World Function 44%	EasyE	44%		Solve→
Lowest Common Ancestor of a Binary Search Tree 44%	MediumM	44%	Tree Depth-First Search+2	Solve→
Lowest Common Ancestor of a Binary Tree 41%	MediumM	41%	Tree Depth-First Search+1	Solve→
Rotate Image 40%	MediumM	40%	Array Math+1	Solve→
Continuous Subarray Sum 40%	MediumM	40%	Array Hash Table+2	Solve→
Reverse Linked List 38%	EasyE	38%	Linked List Recursion	Solve→
Zero Array Transformation III 37%	MediumM	37%	Array Greedy+3	Solve→
Next Permutation 35%	MediumM	35%	Array Two Pointers	Solve→
Maximum Number of Occurrences of a Substring 31%	MediumM	31%	Hash Table String+1	Solve→
Palindrome Linked List 31%	EasyE	31%	Linked List Two Pointers+2	Solve→
Making A Large Island 29%	HardH	29%	Array Depth-First Search+3	Solve→
Merge Strings Alternately 27%	EasyE	27%	Two Pointers String	Solve→
Word Search 27%	MediumM	27%	Array String+2	Solve→
Integer to English Words 20%	HardH	20%	Math String+1	Solve→