Hcl Technologies LeetCode Interview Questions

Practice 18 coding problems currently tagged to Hcl Technologies. Use the frequency and topic signals to build a focused software engineering interview practice plan.

Last updated: September 28, 2026

9 Easy

7 Medium

2 Hard

Top Topics at Hcl Technologies

Array String Two Pointers Dynamic Programming Hash Table

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Problem	DifficultyDiff	Frequency	Topics	Action
Two Sum 100%	EasyE	100%	Array Hash Table	Solve→
Valid Parentheses 83.3%	EasyE	83.3%	String Stack+1	Solve→
Longest Substring Without Repeating Characters 78%	MediumM	78%	Hash Table String+1	Solve→
Merge Sorted Array 78%	EasyE	78%	Array Two Pointers+1	Solve→
Valid Palindrome 78%	EasyE	78%	Two Pointers String	Solve→
Best Time to Buy and Sell Stock 71.1%	EasyE	71.1%	Array Dynamic Programming	Solve→
Reverse String 61.4%	EasyE	61.4%	Two Pointers String	Solve→
Second Highest Salary 61.4%	MediumM	61.4%	Database	Solve→
Department Top Three Salaries 61.4%	HardH	61.4%	Database	Solve→
Longest Palindromic Substring 61.4%	MediumM	61.4%	Two Pointers String+2	Solve→
Palindromic Substrings 61.4%	MediumM	61.4%	Two Pointers String+1	Solve→
Reverse Words in a String 61.4%	MediumM	61.4%	Two Pointers String	Solve→
Maximum Subarray 61.4%	MediumM	61.4%	Array Divide and Conquer+1	Solve→
Missing Number 61.4%	EasyE	61.4%	Array Hash Table+4	Solve→
Minimum Size Subarray Sum 61.4%	MediumM	61.4%	Array Binary Search+2	Solve→
Valid Perfect Square 61.4%	EasyE	61.4%	Math Binary Search	Solve→
Trapping Rain Water 61.4%	HardH	61.4%	Array Two Pointers+3	Solve→
Palindrome Number 61.4%	EasyE	61.4%	Math	Solve→

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

Frequently Asked Questions

What LeetCode problems are tagged to Hcl Technologies?

Our current Hcl Technologies practice dataset contains 18 tagged coding problems, including Two Sum, Valid Parentheses, Longest Substring Without Repeating Characters. The difficulty breakdown is 9 Easy, 7 Medium, and 2 Hard problems.

How should I prepare for a Hcl Technologies coding interview?

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

What is the difficulty level of Hcl Technologies coding interviews?

Based on our data, Hcl Technologies interviews include 9 Easy (50%), 7 Medium (39%), and 2 Hard (11%) problems.

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Hcl Technologies LeetCode Interview Questions

Practice 18 coding problems currently tagged to Hcl Technologies. Use the frequency and topic signals to build a focused software engineering interview practice plan.

Last updated: September 28, 2026

9 Easy

7 Medium

2 Hard

Top Topics at Hcl Technologies

Array String Two Pointers Dynamic Programming Hash Table

Ace your Hcl Technologies interview with AI

Get real-time AI assistance during your actual interview. Invisible to screensharing.

Start Free Trial

Problem	DifficultyDiff	Frequency	Topics	Action
Two Sum 100%	EasyE	100%	Array Hash Table	Solve→
Valid Parentheses 83.3%	EasyE	83.3%	String Stack+1	Solve→
Longest Substring Without Repeating Characters 78%	MediumM	78%	Hash Table String+1	Solve→
Merge Sorted Array 78%	EasyE	78%	Array Two Pointers+1	Solve→
Valid Palindrome 78%	EasyE	78%	Two Pointers String	Solve→
Best Time to Buy and Sell Stock 71.1%	EasyE	71.1%	Array Dynamic Programming	Solve→
Reverse String 61.4%	EasyE	61.4%	Two Pointers String	Solve→
Second Highest Salary 61.4%	MediumM	61.4%	Database	Solve→
Department Top Three Salaries 61.4%	HardH	61.4%	Database	Solve→
Longest Palindromic Substring 61.4%	MediumM	61.4%	Two Pointers String+2	Solve→
Palindromic Substrings 61.4%	MediumM	61.4%	Two Pointers String+1	Solve→
Reverse Words in a String 61.4%	MediumM	61.4%	Two Pointers String	Solve→
Maximum Subarray 61.4%	MediumM	61.4%	Array Divide and Conquer+1	Solve→
Missing Number 61.4%	EasyE	61.4%	Array Hash Table+4	Solve→
Minimum Size Subarray Sum 61.4%	MediumM	61.4%	Array Binary Search+2	Solve→
Valid Perfect Square 61.4%	EasyE	61.4%	Math Binary Search	Solve→
Trapping Rain Water 61.4%	HardH	61.4%	Array Two Pointers+3	Solve→
Palindrome Number 61.4%	EasyE	61.4%	Math	Solve→