JM
J.P. Morgan
79 questions tracked76 with solutions
Frequency scoreSorted highest β lowest frequencyβ Our Solution = we have a detailed walkthrough
Showing 79 of 79 questions
1ArrayBit ManipulationSortingCounting
3ArrayHash TableGreedySorting+1
5MediumRemove Colored Pieces if Both Neighbors are the Same Colorβ Our Solution MathStringGreedyGame Theory
10ArrayHash TableStringSorting
16MediumSuspicious Bank Accounts
Database
18ArrayHash TableStringSorting+1
20ArrayTwo PointersBreadth-First SearchUnion Find+3
22MediumLexicographically Smallest String After Applying Operationsβ Our Solution StringDepth-First SearchBreadth-First SearchEnumeration
25TreeDepth-First SearchBreadth-First SearchBinary Tree
26ArrayHash TableStringSorting
27Two PointersStringDynamic Programming
28MathDynamic ProgrammingBacktracking
29Hash TableMathTwo Pointers
30Hash TableStringSliding Window
31MathDynamic ProgrammingMemoization
32ArraySortingHeap (Priority Queue)
33ArrayBinary SearchSortingPrefix Sum
34ArrayHash TablePrefix Sum
38ArrayHash TableTwo PointersBinary Search+1
39StringDynamic ProgrammingBacktracking
40ArrayDivide and ConquerDynamic Programming
41ArrayDynamic ProgrammingGreedy
42ArrayGreedySortingPrefix Sum
43ArrayDynamic ProgrammingBreadth-First Search
44ArrayDynamic ProgrammingGreedySorting
45MathDynamic ProgrammingRecursionMemoization
46MediumMinimum Cost to Connect Sticks
ArrayGreedyHeap (Priority Queue)
48ArrayBinary SearchGreedySorting+1
49Hash TableLinked ListDesignDoubly-Linked List
50ArrayStackMonotonic Stack
51TreeDepth-First SearchBreadth-First SearchBinary Tree
53ArrayTwo PointersBinary Search
56Hash TableStringBacktracking
58ArrayDivide and ConquerSortingHeap (Priority Queue)+1
59ArrayHash TableDivide and ConquerSorting+4
63ArrayMathDesignRandomized
65MediumCount Strictly Increasing Subarrays
ArrayMathDynamic Programming
66ArrayHash TableStringBreadth-First Search
68ArrayDynamic ProgrammingMatrix
71ArrayStringBinary SearchTrie+2
72ArrayTwo PointersBinary SearchBit Manipulation
75ArrayStackMonotonic Stack
76StringDynamic Programming