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HCL SDE 2

The 18 highest-frequency questions from all time. Finish the strongest signals first.

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Top questions 18

Done	Question	LeetCode
Mark Two Sum completed	Two Sum	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Merge Sorted Array completed	Merge Sorted Array	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve
Mark Best Time to Buy and Sell Stock completed	Best Time to Buy and Sell Stock	Solve
Mark Department Top Three Salaries completed	Department Top Three Salaries	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Minimum Size Subarray Sum completed	Minimum Size Subarray Sum	Solve
Mark Missing Number completed	Missing Number	Solve
Mark Palindrome Number completed	Palindrome Number	Solve
Mark Palindromic Substrings completed	Palindromic Substrings	Solve
Mark Reverse String completed	Reverse String	Solve
Mark Reverse Words in a String completed	Reverse Words in a String	Solve
Mark Second Highest Salary completed	Second Highest Salary	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve
Mark Valid Perfect Square completed	Valid Perfect Square	Solve