LeetCode The Hard Way

Morgan Stanley

60 problems

ProblemDifficultyFrequency Topics
19. Remove Nth Node From End of ListMedium64.3%
Linked ListTwo Pointers
55. Jump GameMedium53.9%
ArrayDynamic ProgrammingGreedy
525. Contiguous ArrayMedium53.9%
ArrayHash TablePrefix Sum
Remove Duplicates from Sorted ArrayEasy53.9%
ArrayTwo Pointers
22. Generate ParenthesesMedium53.9%
StringDynamic ProgrammingBacktrackingBracket Sequences
2607. Make K-Subarray Sums EqualMedium53.9%
ArrayMathGreedySortingNumber Theory
79. Word SearchMedium53.9%
ArrayStringBacktrackingDepth-First SearchMatrix
1658. Minimum Operations to Reduce X to ZeroMedium53.9%
ArrayHash TableBinary SearchSliding WindowPrefix Sum
1209. Remove All Adjacent Duplicates in String IIMedium53.9%
StringStack
1143. Longest Common SubsequenceMedium53.9%
StringDynamic ProgrammingLongest Common Subsequence
Next Greater Element IIIMedium53.9%
MathTwo PointersString
3144. Minimum Substring Partition of Equal Character FrequencyMedium53.9%
Hash TableStringDynamic ProgrammingCounting
1529. Minimum Suffix FlipsMedium53.9%
StringGreedy
Next Greater Element IIMedium53.9%
ArrayStackMonotonic Stack
1326. Minimum Number of Taps to Open to Water a GardenHard53.9%
ArrayDynamic ProgrammingGreedy
1481. Least Number of Unique Integers after K RemovalsMedium53.9%
ArrayHash TableGreedySortingCounting
CandyHard53.9%
ArrayGreedy
5. Longest Palindromic SubstringMedium53.9%
Two PointersStringDynamic ProgrammingManacher
143. Reorder ListMedium53.9%
Linked ListTwo PointersStackRecursion
234. Palindrome Linked ListEasy53.9%
Linked ListTwo PointersStackRecursion
300. Longest Increasing SubsequenceMedium53.9%
ArrayBinary SearchDynamic ProgrammingLongest Increasing Subsequence
169. Majority ElementEasy53.9%
ArrayHash TableDivide and ConquerSortingCountingBoyer–Moore Majority Vote Algorithm
907. Sum of Subarray MinimumsMedium53.9%
ArrayDynamic ProgrammingStackMonotonic Stack
322. Coin ChangeMedium53.9%
ArrayDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack
1470. Shuffle the ArrayEasy53.9%
Array
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