Z
Zenefits
21 questions tracked17 with solutions
Frequency scoreSorted highest β lowest frequencyβ Our Solution = we have a detailed walkthrough
Showing 21 of 21 questions
1ArrayHash TableDivide and ConquerSorting+1
2ArrayDepth-First SearchBreadth-First SearchUnion Find+1
3MediumGraph Valid Tree
Depth-First SearchBreadth-First SearchUnion FindGraph
4MediumVerify Preorder Sequence in Binary Search Tree
ArrayStackTreeBinary Search Tree+3
5MediumFlatten 2D Vector
ArrayTwo PointersDesignIterator
6ArrayQueueSliding WindowHeap (Priority Queue)+1
7ArrayHash TableSortingCounting
8Depth-First SearchBreadth-First SearchGraphTopological Sort
9Depth-First SearchBreadth-First SearchGraphTopological Sort
11ArrayBinary SearchDivide and Conquer
15Hash TableLinked ListDesignDoubly-Linked List
17Linked ListDivide and ConquerTreeBinary Search Tree+1
19ArrayTwo PointersDynamic ProgrammingStack+1
20StringDynamic ProgrammingBacktracking
21HardShortest Distance from All Buildings
ArrayBreadth-First SearchMatrix