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51 questions

Interview frequency breakdown: 30-day, 3-month, 6-month & all-time

8 Easy 31 Med 12 Hard

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Showing 51 questions

#433Minimum Genetic MutationMediumhash tableWalkCCC

100% Freq

#764Largest Plus SignMediumarrayWalkCCC

100% Freq

#42Trapping Rain WaterHardarrayNeetCode

97% Freq

#56Merge IntervalsMediumarrayNeetCode

97% Freq

#146LRU CacheMediumhash tableNeetCode

97% Freq

#341Flatten Nested List IteratorMediumstackWalkCCC

97% Freq

#355Design TwitterMediumhash tableNeetCode

97% Freq

#1348Tweet Counts Per FrequencyMediumhash tableWalkCCC

97% Freq

#1683Invalid TweetsEasydatabaseWalkCCC

97% Freq

#10Regular Expression MatchingHardstringNeetCode

94% Freq

#12Integer to RomanMediumhash tableWalkCCC

94% Freq

#20Valid ParenthesesEasystringNeetCode

94% Freq

#23Merge k Sorted ListsHardlinked listNeetCode

94% Freq

#43Multiply StringsMediummathNeetCode

94% Freq

#44Wildcard MatchingHardstringWalkCCC

94% Freq

#60Permutation SequenceHardmathWalkCCC

94% Freq

#118Pascal's TriangleEasyarrayWalkCCC

94% Freq

#140Word Break IIHardarrayNeetCode

94% Freq

#149Max Points on a LineHardarrayWalkCCC

94% Freq

#161One Edit DistanceMediumtwo pointersWalkCCC

94% Freq

#202Happy NumberEasyhash tableNeetCode

94% Freq

#206Reverse Linked ListEasylinked listNeetCode

94% Freq

#208Implement Trie (Prefix Tree)Mediumhash tableNeetCode

94% Freq

#218The Skyline ProblemHardarrayWalkCCC

94% Freq

#235Lowest Common Ancestor of a Binary Search TreeMediumtreeNeetCode

94% Freq

#251Flatten 2D VectorMediumarrayWalkCCC

94% Freq

#269Alien DictionaryHardarrayNeetCode

94% Freq

#296Best Meeting PointHardarrayWalkCCC

94% Freq

#323Number of Connected Components in an Undirected GraphMediumdepth first searchNeetCode

94% Freq

#378Kth Smallest Element in a Sorted MatrixMediumarrayNeetCode

94% Freq

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