HCL LeetCode Questions
16 questions all-time · 7 easy · 8 medium · 1 hard
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| # | Problem | Difficulty | Frequency | Acceptance | |
|---|---|---|---|---|---|
| 1 | Two Sum | Easy | 100 | 0.6% | |
| 2 | Valid Parentheses | Easy | 84 | 0.4% | |
| 3 | Longest Substring Without Repeating Characters | Medium | 78 | 0.4% | |
| 4 | Merge Sorted Array | Easy | 78 | 0.6% | |
| 5 | Valid Palindrome | Easy | 78 | 0.5% | |
| 6 | Best Time to Buy and Sell Stock | Easy | 71 | 0.6% | |
| 7 | 3Sum | Medium | 62 | 0.4% | |
| 8 | Reverse String | Easy | 62 | 0.8% | |
| 9 | Second Highest Salary | Medium | 62 | 0.5% | |
| 10 | Department Top Three Salaries | Hard | 62 | 0.6% | |
| 11 | Longest Palindromic Substring | Medium | 62 | 0.4% | |
| 12 | Palindromic Substrings | Medium | 62 | 0.7% | |
| 13 | Reverse Words in a String | Medium | 62 | 0.6% | |
| 14 | Maximum Subarray | Medium | 62 | 0.5% | |
| 15 | Missing Number | Easy | 62 | 0.7% | |
| 16 | Minimum Size Subarray Sum | Medium | 62 | 0.5% |
How to read this list
The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.
Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.