LeetCode The Hard Way

Salesforce

196 problems

ProblemDifficultyFrequency Topics
2571. Minimum Operations to Reduce an Integer to 0Medium100%
Dynamic ProgrammingGreedyBit Manipulation
443. String CompressionMedium87.9%
Two PointersString
LFU CacheHard80.1%
Hash TableLinked ListDesignDoubly-Linked List
2380. Time Needed to Rearrange a Binary StringMedium78.7%
StringDynamic ProgrammingSimulation
3488. Closest Equal Element QueriesMedium74.6%
ArrayHash TableBinary Search
3398. Smallest Substring With Identical Characters IHard70.6%
ArrayBinary SearchEnumeration
3399. Smallest Substring With Identical Characters IIHard70.6%
StringBinary Search
Maximum Product of Three NumbersEasy67%
ArrayMathSorting
713. Subarray Product Less Than KMedium65.6%
ArrayBinary SearchSliding WindowPrefix Sum
3035. Maximum Palindromes After OperationsMedium65.6%
ArrayHash TableStringGreedySortingCounting
146. LRU CacheMedium64.2%
Hash TableLinked ListDesignDoubly-Linked List
2957. Remove Adjacent Almost-Equal CharactersMedium64.2%
StringDynamic ProgrammingGreedy
1297. Maximum Number of Occurrences of a SubstringMedium64.2%
Hash TableStringSliding Window
3607. Power Grid MaintenanceMedium64.2%
ArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryHeap (Priority Queue)Ordered Set
210. Course Schedule IIMedium62.6%
Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
115. Distinct SubsequencesHard60.9%
StringDynamic Programming
3613. Minimize Maximum Component CostMedium60.9%
Binary SearchUnion-FindGraph TheorySorting
56. Merge IntervalsMedium59%
ArraySortingQuicksort
1221. Split a String in Balanced StringsEasy59%
StringGreedyCounting
Minimum Time to Visit All HousesMedium59%
ArrayPrefix Sum
3. Longest Substring Without Repeating CharactersMedium56.9%
Hash TableStringSliding Window
49. Group AnagramsMedium56.9%
ArrayHash TableStringSorting
200. Number of IslandsMedium56.9%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
2563. Count the Number of Fair PairsMedium56.9%
ArrayTwo PointersBinary SearchSorting
895. Maximum Frequency StackHard56.9%
Hash TableStackDesignOrdered Set
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