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Zenefits

21 problems · 13 with a MIK video · 0 asked in the last 6 months
D · DSA 13
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21 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video
20Valid ParenthesesStackEasy100▶ Watch
22Generate ParenthesesRecursionMedium100▶ Watch
52N-Queens II ↗Hard100Not covered yet
4Median of Two Sorted ArraysBinary SearchHard100▶ Watch
42Trapping Rain WaterArraysHard100▶ Watch
155Min Stack ↗Medium100Not covered yet
109Convert Sorted List to Binary Search TreeLinked ListMedium100▶ Watch
125Valid Palindrome ↗Easy100Not covered yet
146LRU CacheDesign Data StructuresMedium100▶ Watch
168Excel Sheet Column TitleMathEasy100▶ Watch
169Majority ElementArraysEasy100▶ Watch
200Number of IslandsArraysMedium100▶ Watch
206Reverse Linked ListLinked ListEasy100▶ Watch
207Course ScheduleGraphsMedium100▶ Watch
210Course Schedule IIGraphsMedium100▶ Watch
229Majority Element II ↗Medium100Not covered yet
239Sliding Window MaximumSliding WindowHard100▶ Watch
251Flatten 2D Vector ↗LeetCode PremiumMedium100Not covered yet
255Verify Preorder Sequence in Binary Search Tree ↗LeetCode PremiumMedium100Not covered yet
261Graph Valid Tree ↗LeetCode PremiumMedium100Not covered yet
317Shortest Distance from All Buildings ↗LeetCode PremiumHard100Not covered yet

Source: community data (liquidslr/leetcode-company-wise-problems), updated Aug 16, 2026. Company tags are crowd-reported and may be incomplete.