Prepare for HCL technical interviews with 11 tracked LeetCode questions, sortable by difficulty and topic.
| Title | Difficulty | Topics | Frequency | LeetCode |
|---|---|---|---|---|
| Two Sum | Easy | 95.7% | Solve | |
| Palindrome Number | Easy | 85.8% | Solve | |
| Longest Common Prefix | Easy | 75% | Solve | |
| Merge Sorted Array | Easy | 75% | Solve | |
| 3Sum | Medium | 68.9% | Solve | |
| Longest Substring Without Repeating Characters | Medium | 68.9% | Solve | |
| Valid Parentheses | Easy | 65.1% | Solve | |
| Reverse String | Easy | 51.7% | Solve | |
| Department Top Three Salaries | Hard | 38.7% | Solve | |
| Group Anagrams | Medium | 38.7% | Solve | |
| Second Highest Salary | Medium | 38.7% | Solve |
11 questions total
Company analytics
Questions tracked
11
Questions currently linked to HCL
Topics represented
10
Distinct topics visible in this company set
Dominant difficulty
easy
55% of tracked questions
Avg frequency score
63.8
Mean frequency across this company question set
HCL currently has 11 tracked questions linked to 10 topics, so this page is a good benchmark for how deep the dataset goes on one employer.
The most common topics for HCL include String, Array, Hash Table, and Sorting. String alone appears 5 times in the visible topic distribution. That topic spread helps you identify whether this company is repeating a few patterns or testing across a broader surface area.
The current question set averages a frequency score of 63.8, and easy is the dominant difficulty bucket at 55% of tracked coverage. That makes it easier to decide whether to practice for repetition, complexity, or both.
HCL related paths
This section answers the most practical questions about using the HCL route as a company-specific LeetCode study page.
Start with the highest-frequency questions inside String, Array, and Hash Table, then sort the table by frequency to build a shortlist. That gives you a faster first pass through HCL's interview patterns than trying to cover every linked problem at once.
easy makes up 55% of the tracked HCL question set. Use that split to decide whether your study plan should emphasize coverage, realistic interview pressure, or deeper problem solving.
Use this page to identify HCL's strongest topic signal, then open String and the global most-asked or questions explorer routes to see whether that company-specific pattern is also common across the wider dataset.
