R
Roblox
53 questions tracked48 with solutions
Frequency scoreSorted highest β lowest frequencyβ Our Solution = we have a detailed walkthrough
Showing 53 of 53 questions
1Hash TableStringGreedySorting+2
2ArrayLinked ListStackDesign+2
3ArrayHash TableGreedySorting+2
4MediumDesign Hit Counter
ArrayBinary SearchDesignQueue+1
10MediumNumber of Trusted Contacts of a Customer
Database
12ArrayHash TableMathSliding Window+1
13ArrayHash TableStringCounting
14Hash TableStringSliding Window
15ArrayBinary SearchSorting
18Hash TableStringDesignTrie
20ArrayHash TableBinary SearchSorting+2
23ArrayBinary SearchBinary Indexed TreeSegment Tree
24StringBinary SearchEnumeration
25ArrayTwo PointersDynamic ProgrammingStack+1
26ArrayHash TableSliding WindowCounting
29ArrayDynamic ProgrammingMatrix
30ArrayStackMonotonic Stack
31ArrayHash TableStringTrie
33MediumCandy Crush
ArrayTwo PointersMatrixSimulation
34Hash TableMathStringStack+1
37ArrayDynamic ProgrammingGreedy
38ArrayHash TableUnion Find
40Hash TableStringSliding Window
43MediumBrightest Position on Street
ArraySortingPrefix SumOrdered Set
44ArrayBreadth-First SearchMatrix
45HardEmployee Free Time
ArrayLine SweepSortingHeap (Priority Queue)
48MediumMinimum Absolute Difference Between Elements With Constraintβ Our Solution ArrayBinary SearchOrdered Set
49ArrayStringBacktrackingTrie+1
50ArrayHash TableStringDepth-First Search+3
51MediumRemove Colored Pieces if Both Neighbors are the Same Colorβ Our Solution MathStringGreedyGame Theory
52MathDynamic ProgrammingCombinatorics
53Depth-First SearchBreadth-First SearchGraphTopological Sort