HCL LeetCode interview questions

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Problem	Difficulty	Frequency	Acceptance
Two Sum Array Hash Table EASY	Easy	100.0%	0.6%
Best Time to Buy and Sell Stock Array Dynamic Programming EASY	Easy	89.3%	0.6%
Valid Parentheses String Stack Bracket Sequences EASY	Easy	81.3%	0.5%
Longest Substring Without Repeating Characters Hash Table String Sliding Window MEDIUM	Medium	76.1%	0.4%
Merge Sorted Array Array Two Pointers Sorting EASY	Easy	76.1%	0.6%
Valid Palindrome Two Pointers String EASY	Easy	76.1%	0.5%
Second Highest Salary Database MEDIUM	Medium	69.3%	0.5%
Maximum Subarray Array Divide and Conquer Dynamic Programming MEDIUM	Medium	69.3%	0.5%
Trapping Rain Water Array Two Pointers Dynamic Programming +2 HARD	Hard	69.3%	0.7%
Reverse String Two Pointers String EASY	Easy	59.7%	0.8%
Department Top Three Salaries Database HARD	Hard	59.7%	0.6%
Palindromic Substrings Two Pointers String Dynamic Programming MEDIUM	Medium	59.7%	0.7%
Missing Number Array Hash Table Math +3 EASY	Easy	59.7%	0.7%
Minimum Size Subarray Sum Array Binary Search Sliding Window +1 MEDIUM	Medium	59.7%	0.5%
Valid Perfect Square Math Binary Search EASY	Easy	59.7%	0.5%
Palindrome Number Math EASY	Easy	59.7%	0.6%
Group Anagrams Array Hash Table String +1 MEDIUM	Medium	59.7%	0.7%

Showing 1–17 of 17 matching problems · All Problems

HCL LeetCode Interview Questions | Grind Practice