All HCL Coding Interview Questions
13 questions we track for HCL, most frequently asked first. Practice any of them in the code editor and get AI feedback on your solution.
Start your HCL mock interviewQuestions HCL asks, live voice, scored. First one free.
- Junior54% (7)
- Mid/Senior46% (6)
Questions
- Two Sum129 companiesJunior
- Longest Substring Without Repeating Characters112 companiesMid/Senior
- Longest Palindromic Substring76 companiesMid/Senior
- 3Sum61 companiesMid/Senior
- Valid Parentheses119 companiesJunior
- Merge Sorted Array38 companiesJunior
- Best Time to Buy and Sell Stock90 companiesJunior
- Valid Palindrome44 companiesJunior
- Reverse Words in a String29 companiesMid/Senior
- Minimum Size Subarray Sum18 companiesMid/Senior
- Missing Number19 companiesJunior
- Reverse String15 companiesJunior
- Palindromic Substrings25 companiesMid/Senior