Total Questions
50
Medium problems make up 60.00 % of what X asks, so that is the tier to prioritise.
Easy816.00 %
Medium3060.00 %
Hard1224.00 %
Questions
Sort50 shown
- Insert Delete GetRandom O(1)Mediumfreq 100
- Flatten Nested List IteratorMediumfreq 95
- Trapping Rain WaterHardfreq 95
- Merge IntervalsMediumfreq 95
- Design TwitterMediumfreq 93
- Tweet Counts Per FrequencyMediumfreq 93
- Implement Trie (Prefix Tree)Mediumfreq 93
- Investments in 2016Mediumfreq 90
- Best Meeting PointHardfreq 90
- Trapping Rain Water IIHardfreq 88
- Minimum Genetic MutationMediumfreq 88
- Minimum Number of Steps to Make Two Strings AnagramMediumfreq 88
- Validate IP AddressMediumfreq 88
- Count Student Number in DepartmentsMediumfreq 88
- Rectangles AreaMediumfreq 88
- Regular Expression MatchingHardfreq 88
- Kth Smallest Element in a Sorted MatrixMediumfreq 88
- Tree NodeMediumfreq 88
- Invalid TweetsEasyfreq 88
- Number of Black BlocksMediumfreq 88
- Masking Personal InformationMediumfreq 88
- Design Authentication ManagerMediumfreq 88
- Minimum Elements to Add to Form a Given SumMediumfreq 88
- Binary GapEasyfreq 88
- Finding the Users Active MinutesMediumfreq 88
- Process Tasks Using ServersMediumfreq 88
- Remove All Occurrences of a SubstringMediumfreq 88
- Integer to RomanMediumfreq 88
- Design SkiplistHardfreq 88
- Valid ParenthesesEasyfreq 88
- Merge k Sorted ListsHardfreq 88
- Multiply StringsMediumfreq 88
- Wildcard MatchingHardfreq 88
- Permutation SequenceHardfreq 88
- Pascal's TriangleEasyfreq 88
- Word Break IIHardfreq 88
- LRU CacheMediumfreq 88
- Time Needed to Buy TicketsEasyfreq 88
- Max Points on a LineHardfreq 88
- One Edit DistanceMediumfreq 88
- Happy NumberEasyfreq 88
- Reverse Linked ListEasyfreq 88
- The Skyline ProblemHardfreq 88
- Lowest Common Ancestor of a Binary Search TreeMediumfreq 88
- Flatten 2D VectorMediumfreq 88
- Alien DictionaryHardfreq 88
- Count Sub IslandsMediumfreq 88
- Gas StationMediumfreq 47
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