HCLLeetCode Questions
VerifiedCommunity-reported coding interview questions for HCL, organized by frequency across 30-day, 3-month, and 6-month recency windows.
# | Problem | Difficulty | Frequency↓ | Acceptance | |
|---|---|---|---|---|---|
| #1 | Two Sum3 sources | Easy | 100% | 57.8% | |
| #121 | Best Time to Buy and Sell Stock3 sources | Easy | 89% | 57.1% | |
| #20 | Valid Parentheses3 sources | Easy | 88% | 44.5% | |
| #3 | Medium | 78% | 39.4% | ||
| #88 | Merge Sorted Array3 sources | Easy | 78% | 55.2% | |
| #125 | Valid Palindrome3 sources | Easy | 78% | 53.7% | |
| #176 | Medium | 69% | 47.5% | ||
| #53 | Maximum Subarray3 sources | Medium | 69% | 53.5% | |
| #42 | Trapping Rain Water2 sources | Hard | 69% | 0.7% | |
| #344 | Reverse String3 sources | Easy | 63% | 81.0% | |
| #185 | Hard | 63% | 61.0% | ||
| #647 | Palindromic Substrings3 sources | Medium | 63% | 73.0% | |
| #268 | Missing Number3 sources | Easy | 63% | 72.3% | |
| #209 | Minimum Size Subarray Sum3 sources | Medium | 63% | 52.2% | |
| #367 | Valid Perfect Square3 sources | Easy | 63% | 45.1% | |
| #5 | Longest Palindromic Substring2 sources | Medium | 63% | 38.2% | |
| #151 | Reverse Words in a String2 sources | Medium | 63% | 57.0% | |
| #9 | Palindrome Number2 sources | Easy | 61% | 0.6% | |
| #49 | Medium | 60% | 0.7% |
HCL Technical Interview Overview & Company-Wise Questions
This page organizes 19 community-reported HCL LeetCode problems by difficulty, frequency, and recency so you can build a focused preparation queue. Reports are aggregated from public datasets and should be treated as preparation signals rather than predictions.
How to prioritize HCL preparation
Start with the 2 questions reported in the last 30 days, then work through the highest-frequency topics (Array, String, Two Pointers, Dynamic Programming). This page tracks 19 community-reported questions across 9 Easy, 8 Medium, and 2 Hard problems. Data refreshed Oct 28, 2026.
Frequently Asked Questions
What are the most frequent LeetCode questions for HCL?
The leading problems in the available HCL interview reports include Two Sum, Best Time to Buy and Sell Stock, Valid Parentheses. This page tracks 19 reported problems across Easy (9), Medium (8), and Hard (2) difficulty levels.
Where can I practice company-wise LeetCode questions for HCL?
You can review all 19 HCL questions on this page, filter them by 30-day, 3-month, 6-month, and all-time windows, and save practice progress for free.
How does LeetMap Pro organize HCL interview problem recency?
LeetMap Pro groups community-reported occurrences into 30-day, 3-month, 6-month, and older windows. These are preparation signals from the available sources, not guarantees that a problem will appear in a future interview.
What is the difficulty distribution for HCL coding questions?
Easy is the largest tracked difficulty group for HCL, with 9 problems. The full distribution is 9 Easy, 8 Medium, and 2 Hard.