Company interviews / HCL
HCL interview practice
18 coding questions are known to come up in HCL interviews (9 easy, 7 medium, 2 hard), 1 of them in the last six months. The most common topics are Array, String, Two Pointers, Dynamic Programming.
18Known questions
1Asked in last 6 months
7Medium
2Hard
Coding questions HCL asks
From public company-tagged interview question lists. Most recent and most frequent first.
Easy 9Medium 7Hard 2
- Array7
- String7
- Two Pointers7
- Dynamic Programming5
- Math3
- Binary Search3
- Hash Table3
- Stack2
- Sorting2
- Sliding Window2
- Database2
- Bit Manipulation1
| Question | Difficulty | Asked recently |
|---|---|---|
| Valid Perfect Square | Easy | Yes |
| Two Sum | Easy | — |
| Valid Parentheses | Easy | — |
| Valid Palindrome | Easy | — |
| Merge Sorted Array | Easy | — |
| Longest Substring Without Repeating Characters | Medium | — |
| Best Time to Buy and Sell Stock | Easy | — |
| Palindromic Substrings | Medium | — |
| Reverse String | Easy | — |
| Missing Number | Easy | — |
| Minimum Size Subarray Sum | Medium | — |
| Department Top Three Salaries | Hard | — |
| Second Highest Salary | Medium | — |
| Reverse Words in a String | Medium | — |
| Maximum Subarray | Medium | — |
| Trapping Rain Water | Hard | — |
| Palindrome Number | Easy | — |
| Longest Palindromic Substring | Medium | — |
Practice a HCL interview
Take the same AI interview a HCL candidate would face: you talk it through while you code, and get a scorecard with what earned each score. Three single-question interviews a day are free.