Nextdoor

8 questions tracked7 with solutions

🔍

Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 8 of 8 questions

MediumCompare Version Numbers✓ Our Solution

100

Two PointersString

HardAll O`one Data Structure✓ Our Solution

Hash TableLinked ListDesignDoubly-Linked List

MediumMerge Intervals✓ Our Solution

ArraySorting

MediumLetter Combinations of a Phone Number✓ Our Solution

Hash TableStringBacktracking

HardTrapping Rain Water✓ Our Solution

ArrayTwo PointersDynamic ProgrammingStack+1

MediumNested List Weight Sum

Depth-First SearchBreadth-First Search

MediumDivide Two Integers✓ Our Solution

MathBit Manipulation

MediumTime Based Key-Value Store✓ Our Solution

Hash TableStringBinary SearchDesign