HCL interview questions¶
The most frequent LeetCode problems tagged to HCL. This is a data-only page. For process and behavioral prep, use the coding guide and behavioral guide.
Based on 2 distinct problems tagged to HCL in the last 6 months (0 in the last 30 days, 0 in the last 3 months, 16 all-time) across two open datasets of LeetCode company tags. Tags are user-reported, so treat frequency as a signal, not a promise.
Difficulty mix (last 6 months): Easy 100%
Most tagged topics (share of problems): Two Pointers 50%, String 50%, Math 50%, Binary Search 50%
Watch out: HCL has thin LeetCode data. Weight the reported questions and the format notes above more than this list.
Most frequent problems¶
Ranked by frequency, weighted toward the last 30 days. Classics like Two Sum sit near the top of almost every company's list because users tag them everywhere. Solve those fast. The signature list below is more specific to this company.
| # | Problem | Difficulty | Last seen | Topics |
|---|---|---|---|---|
| 1 | Valid Palindrome | Easy | 6 months | Two Pointers, String |
| 2 | Valid Perfect Square | Easy | 6 months | Math, Binary Search |
Signature problems¶
Problems where HCL accounts for a large share of all recent tags across companies. These are the most HCL-specific questions in the data.
| # | Problem | Difficulty | Last seen | Topics |
|---|---|---|---|---|
| 1 | Valid Perfect Square | Easy | 6 months | Math, Binary Search |
Sources¶
- liquidslr/leetcode-company-wise-problems and snehasishroy/leetcode-companywise-interview-questions, merged by scripts/build_question_data.py.
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