LeetCode The Hard Way

Bloomberg

1239 problems

ProblemDifficultyFrequency Topics
2226. Maximum Candies Allocated to K ChildrenMedium17.9%
ArrayBinary Search
2401. Longest Nice SubarrayMedium17.9%
ArrayBit ManipulationSliding Window
871. Minimum Number of Refueling StopsHard17.9%
ArrayDynamic ProgrammingGreedyHeap (Priority Queue)
3394. Check if Grid can be Cut into SectionsMedium17.9%
ArraySorting
2874. Maximum Value of an Ordered Triplet IIMedium17.9%
ArrayPrefix Sum
2843. Count Symmetric IntegersEasy17.9%
MathEnumeration
2404. Most Frequent Even ElementEasy17.9%
ArrayHash TableCounting
2962. Count Subarrays Where Max Element Appears at Least K TimesMedium17.9%
ArraySliding Window
838. Push DominoesMedium17.9%
Two PointersStringDynamic Programming
3362. Zero Array Transformation IIIMedium17.9%
ArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum
Biggest Single NumberEasy17.9%
Database
1544. Make The String GreatEasy17.9%
StringStack
2460. Apply Operations to an ArrayEasy17.9%
ArrayTwo PointersSimulation
2643. Row With Maximum OnesEasy17.9%
ArrayMatrix
3443. Maximum Manhattan Distance After K ChangesMedium17.9%
Hash TableMathStringCounting
1926. Nearest Exit from Entrance in MazeMedium17.9%
ArrayBreadth-First SearchMatrix
792. Number of Matching SubsequencesMedium17.9%
ArrayHash TableStringBinary SearchDynamic ProgrammingTrieSorting
3147. Taking Maximum Energy From the Mystic DungeonMedium17.9%
ArrayDynamic ProgrammingPrefix Sum
1751. Maximum Number of Events That Can Be Attended IIHard17.9%
ArrayBinary SearchDynamic ProgrammingSorting
968. Binary Tree CamerasHard17.9%
Dynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees
3202. Find the Maximum Length of Valid Subsequence IIMedium17.9%
ArrayDynamic Programming
2300. Successful Pairs of Spells and PotionsMedium17.9%
ArrayTwo PointersBinary SearchSorting
2210. Count Hills and Valleys in an ArrayEasy17.9%
Array
2411. Smallest Subarrays With Maximum Bitwise ORMedium17.9%
ArrayBinary SearchBit ManipulationSliding Window
2264. Largest 3-Same-Digit Number in StringEasy17.9%
String
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