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.
- 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