Handshake LeetCode Interview Questions

Practice 46 coding problems currently tagged to Handshake. Use the frequency and topic signals to build a focused software engineering interview practice plan.

11 Easy

27 Medium

8 Hard

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Problem	DifficultyDiff	Frequency	Topics	Action
Binary Tree Vertical Order Traversal 100%	MediumM	100%	Hash Table Tree+4	Solve→
Design HashMap 97%	EasyE	97%	Array Hash Table+3	Solve→
Longest Palindromic Substring 93%	MediumM	93%	Two Pointers String+1	Solve→
Permutations 92%	MediumM	92%	Array Backtracking	Solve→
Binary Tree Maximum Path Sum 85%	HardH	85%	Dynamic Programming Tree+2	Solve→
Merge k Sorted Lists 84%	HardH	84%	Linked List Divide and Conquer+2	Solve→
Friends Of Appropriate Ages 83%	MediumM	83%	Array Two Pointers+2	Solve→
Integer to Roman 83%	MediumM	83%	Hash Table Math+1	Solve→
Continuous Subarrays 79%	MediumM	79%	Array Queue+4	Solve→
Word Pattern II 76%	MediumM	76%	Hash Table String+1	Solve→
Ransom Note 72%	EasyE	72%	Hash Table String+1	Solve→
Valid Parentheses 71%	EasyE	71%	String Stack	Solve→
First Unique Character in a String 70%	EasyE	70%	Hash Table String+2	Solve→
Reorganize String 69%	MediumM	69%	Hash Table String+4	Solve→
Length of Last Word 68%	EasyE	68%	String	Solve→
Reverse Words in a String 68%	MediumM	68%	Two Pointers String	Solve→
Construct Quad Tree 68%	MediumM	68%	Array Divide and Conquer+2	Solve→
Product of Array Except Self 66%	MediumM	66%	Array Prefix Sum	Solve→
Maximum Size Subarray Sum Equals k 64%	MediumM	64%	Array Hash Table+1	Solve→
Min Stack 63%	MediumM	63%	Stack Design	Solve→
Valid Number 61%	HardH	61%	String	Solve→
Create Hello World Function 59%	EasyE	59%		Solve→
Insert into a Sorted Circular Linked List 59%	MediumM	59%	Linked List	Solve→
Counting Bits 59%	EasyE	59%	Dynamic Programming Bit Manipulation	Solve→
Search a 2D Matrix 57%	MediumM	57%	Array Binary Search+1	Solve→

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Copy List with Random Pointer 57%	MediumM	57%	Hash Table Linked List	Solve→
Palindrome Number 56%	EasyE	56%	Math	Solve→
Rank Teams by Votes 54%	MediumM	54%	Array Hash Table+3	Solve→
Two City Scheduling 53%	MediumM	53%	Array Greedy+1	Solve→
Valid Anagram 52%	EasyE	52%	Hash Table String+1	Solve→
Lowest Common Ancestor of a Binary Tree 52%	MediumM	52%	Tree Depth-First Search+1	Solve→
Nested List Weight Sum II 51%	MediumM	51%	Stack Depth-First Search+1	Solve→
Rank Transform of a Matrix 51%	HardH	51%	Array Union Find+4	Solve→
Word Break II 49%	HardH	49%	Array Hash Table+5	Solve→
Two Sum II - Input Array Is Sorted 46%	MediumM	46%	Array Two Pointers+1	Solve→
Check If a Word Occurs As a Prefix of Any Word in a Sentence 45%	EasyE	45%	Two Pointers String+1	Solve→
Longest Increasing Path in a Matrix 40%	HardH	40%	Array Dynamic Programming+6	Solve→
Maximum Swap 38%	MediumM	38%	Math Greedy	Solve→
Task Scheduler 37%	MediumM	37%	Array Hash Table+4	Solve→
Minimum Limit of Balls in a Bag 33%	MediumM	33%	Array Binary Search	Solve→
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit 32%	MediumM	32%	Array Queue+4	Solve→
Implement Queue using Stacks 30%	EasyE	30%	Stack Design+1	Solve→
Minimum Difference in Sums After Removal of Elements 27%	HardH	27%	Array Dynamic Programming+1	Solve→
Design Tic-Tac-Toe 25%	MediumM	25%	Array Hash Table+3	Solve→
Basic Calculator 24%	HardH	24%	Math String+2	Solve→
All Nodes Distance K in Binary Tree 23%	MediumM	23%	Hash Table Tree+3	Solve→

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

Frequently Asked Questions

What LeetCode problems are tagged to Handshake?

Our current Handshake practice dataset contains 46 tagged coding problems, including Binary Tree Vertical Order Traversal, Design HashMap, Longest Palindromic Substring. The difficulty breakdown is 11 Easy, 27 Medium, and 8 Hard problems.

How should I prepare for a Handshake coding interview?

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

What is the difficulty level of Handshake coding interviews?

Based on our data, Handshake interviews include 11 Easy (24%), 27 Medium (59%), and 8 Hard (17%) problems.

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Handshake LeetCode Interview Questions

Practice 46 coding problems currently tagged to Handshake. Use the frequency and topic signals to build a focused software engineering interview practice plan.

11 Easy

27 Medium

8 Hard

Problem	DifficultyDiff	Frequency	Topics	Action
Binary Tree Vertical Order Traversal 100%	MediumM	100%	Hash Table Tree+4	Solve→
Design HashMap 97%	EasyE	97%	Array Hash Table+3	Solve→
Longest Palindromic Substring 93%	MediumM	93%	Two Pointers String+1	Solve→
Permutations 92%	MediumM	92%	Array Backtracking	Solve→
Binary Tree Maximum Path Sum 85%	HardH	85%	Dynamic Programming Tree+2	Solve→
Merge k Sorted Lists 84%	HardH	84%	Linked List Divide and Conquer+2	Solve→
Friends Of Appropriate Ages 83%	MediumM	83%	Array Two Pointers+2	Solve→
Integer to Roman 83%	MediumM	83%	Hash Table Math+1	Solve→
Continuous Subarrays 79%	MediumM	79%	Array Queue+4	Solve→
Word Pattern II 76%	MediumM	76%	Hash Table String+1	Solve→
Ransom Note 72%	EasyE	72%	Hash Table String+1	Solve→
Valid Parentheses 71%	EasyE	71%	String Stack	Solve→
First Unique Character in a String 70%	EasyE	70%	Hash Table String+2	Solve→
Reorganize String 69%	MediumM	69%	Hash Table String+4	Solve→
Length of Last Word 68%	EasyE	68%	String	Solve→
Reverse Words in a String 68%	MediumM	68%	Two Pointers String	Solve→
Construct Quad Tree 68%	MediumM	68%	Array Divide and Conquer+2	Solve→
Product of Array Except Self 66%	MediumM	66%	Array Prefix Sum	Solve→
Maximum Size Subarray Sum Equals k 64%	MediumM	64%	Array Hash Table+1	Solve→
Min Stack 63%	MediumM	63%	Stack Design	Solve→
Valid Number 61%	HardH	61%	String	Solve→
Create Hello World Function 59%	EasyE	59%		Solve→
Insert into a Sorted Circular Linked List 59%	MediumM	59%	Linked List	Solve→
Counting Bits 59%	EasyE	59%	Dynamic Programming Bit Manipulation	Solve→
Search a 2D Matrix 57%	MediumM	57%	Array Binary Search+1	Solve→

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

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Copy List with Random Pointer 57%	MediumM	57%	Hash Table Linked List	Solve→
Palindrome Number 56%	EasyE	56%	Math	Solve→
Rank Teams by Votes 54%	MediumM	54%	Array Hash Table+3	Solve→
Two City Scheduling 53%	MediumM	53%	Array Greedy+1	Solve→
Valid Anagram 52%	EasyE	52%	Hash Table String+1	Solve→
Lowest Common Ancestor of a Binary Tree 52%	MediumM	52%	Tree Depth-First Search+1	Solve→
Nested List Weight Sum II 51%	MediumM	51%	Stack Depth-First Search+1	Solve→
Rank Transform of a Matrix 51%	HardH	51%	Array Union Find+4	Solve→
Word Break II 49%	HardH	49%	Array Hash Table+5	Solve→
Two Sum II - Input Array Is Sorted 46%	MediumM	46%	Array Two Pointers+1	Solve→
Check If a Word Occurs As a Prefix of Any Word in a Sentence 45%	EasyE	45%	Two Pointers String+1	Solve→
Longest Increasing Path in a Matrix 40%	HardH	40%	Array Dynamic Programming+6	Solve→
Maximum Swap 38%	MediumM	38%	Math Greedy	Solve→
Task Scheduler 37%	MediumM	37%	Array Hash Table+4	Solve→
Minimum Limit of Balls in a Bag 33%	MediumM	33%	Array Binary Search	Solve→
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit 32%	MediumM	32%	Array Queue+4	Solve→
Implement Queue using Stacks 30%	EasyE	30%	Stack Design+1	Solve→
Minimum Difference in Sums After Removal of Elements 27%	HardH	27%	Array Dynamic Programming+1	Solve→
Design Tic-Tac-Toe 25%	MediumM	25%	Array Hash Table+3	Solve→
Basic Calculator 24%	HardH	24%	Math String+2	Solve→
All Nodes Distance K in Binary Tree 23%	MediumM	23%	Hash Table Tree+3	Solve→