Interview Prep/Companies/Pinterest

49 questions tracked38 with solutions

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

Showing 49 of 49 questions

MediumCount and Say✓ Our Solution

100

String

LeetCode ↗61% acc.

HardReconstruct Itinerary✓ Our Solution

Depth-First SearchGraphEulerian Circuit

LeetCode ↗44% acc.

HardShortest Path in a Grid with Obstacles Elimination✓ Our Solution

ArrayBreadth-First SearchMatrix

LeetCode ↗46% acc.

HardOptimal Account Balancing

ArrayDynamic ProgrammingBacktrackingBit Manipulation+1

LeetCode ↗50% acc.

HardCount Subarrays With Score Less Than K✓ Our Solution

ArrayBinary SearchSliding WindowPrefix Sum

LeetCode ↗62% acc.

HardMaximum Profit in Job Scheduling✓ Our Solution

ArrayBinary SearchDynamic ProgrammingSorting

LeetCode ↗54% acc.

HardBus Routes✓ Our Solution

ArrayHash TableBreadth-First Search

LeetCode ↗47% acc.

HardExpression Add Operators✓ Our Solution

MathStringBacktracking

LeetCode ↗42% acc.

HardFind Median from Data Stream✓ Our Solution

Two PointersDesignSortingHeap (Priority Queue)+1

LeetCode ↗53% acc.

MediumShortest Way to Form String

Two PointersStringBinary SearchGreedy

LeetCode ↗61% acc.

EasyIs Subsequence✓ Our Solution

Two PointersStringDynamic Programming

LeetCode ↗48% acc.

MediumReorganize String✓ Our Solution

Hash TableStringGreedySorting+2

LeetCode ↗56% acc.

MediumLongest Word in Dictionary✓ Our Solution

ArrayHash TableStringTrie+1

LeetCode ↗53% acc.

HardDesign Search Autocomplete System

StringDepth-First SearchDesignTrie+3

LeetCode ↗49% acc.

HardFind Median Given Frequency of Numbers

Database

LeetCode ↗42% acc.

MediumJump Game III✓ Our Solution

ArrayDepth-First SearchBreadth-First Search

LeetCode ↗66% acc.

HardFind K-th Smallest Pair Distance✓ Our Solution

ArrayTwo PointersBinary SearchSorting

LeetCode ↗46% acc.

MediumCoin Change✓ Our Solution

ArrayDynamic ProgrammingBreadth-First Search

LeetCode ↗46% acc.

MediumString Compression✓ Our Solution

Two PointersString

LeetCode ↗58% acc.

MediumSparse Matrix Multiplication

ArrayHash TableMatrix

LeetCode ↗69% acc.

HardMeeting Rooms III✓ Our Solution

ArrayHash TableSortingHeap (Priority Queue)+1

LeetCode ↗44% acc.

MediumTarget Sum✓ Our Solution

ArrayDynamic ProgrammingBacktracking

LeetCode ↗51% acc.

MediumUnique Paths II✓ Our Solution

ArrayDynamic ProgrammingMatrix

LeetCode ↗43% acc.

MediumMinimize Result by Adding Parentheses to Expression✓ Our Solution

StringEnumeration

LeetCode ↗68% acc.

MediumThe Number of Weak Characters in the Game✓ Our Solution

ArrayStackGreedySorting+1

LeetCode ↗44% acc.

MediumIs Graph Bipartite?✓ Our Solution

Depth-First SearchBreadth-First SearchUnion FindGraph

LeetCode ↗58% acc.

HardEmployee Free Time

ArrayLine SweepSortingHeap (Priority Queue)

LeetCode ↗73% acc.

HardUnique Paths III✓ Our Solution

ArrayBacktrackingBit ManipulationMatrix

LeetCode ↗82% acc.

MediumTop K Frequent Elements✓ Our Solution

ArrayHash TableDivide and ConquerSorting+4

LeetCode ↗65% acc.

MediumAccounts Merge✓ Our Solution

ArrayHash TableStringDepth-First Search+3

LeetCode ↗60% acc.

MediumCombination Sum✓ Our Solution

ArrayBacktracking

LeetCode ↗75% acc.

HardSplit Array Largest Sum✓ Our Solution

ArrayBinary SearchDynamic ProgrammingGreedy+1

LeetCode ↗58% acc.

MediumMultiply Strings✓ Our Solution

MathStringSimulation

LeetCode ↗42% acc.

MediumLetter Combinations of a Phone Number✓ Our Solution

Hash TableStringBacktracking

LeetCode ↗64% acc.

MediumPossible Bipartition✓ Our Solution

Depth-First SearchBreadth-First SearchUnion FindGraph

LeetCode ↗52% acc.

MediumSingle Element in a Sorted Array✓ Our Solution

ArrayBinary Search

LeetCode ↗59% acc.

MediumMeeting Rooms II

ArrayTwo PointersGreedySorting+2

LeetCode ↗52% acc.

MediumSnakes and Ladders✓ Our Solution

ArrayBreadth-First SearchMatrix

LeetCode ↗48% acc.

MediumThe Maze

ArrayDepth-First SearchBreadth-First SearchMatrix

LeetCode ↗60% acc.

MediumFind the Celebrity

Two PointersGraphInteractive

LeetCode ↗48% acc.

MediumFind First and Last Position of Element in Sorted Array✓ Our Solution

ArrayBinary Search

LeetCode ↗47% acc.

HardShortest Path to Get All Keys✓ Our Solution

ArrayBit ManipulationBreadth-First SearchMatrix

LeetCode ↗54% acc.

MediumNumber of Islands✓ Our Solution

ArrayDepth-First SearchBreadth-First SearchUnion Find+1

LeetCode ↗62% acc.

MediumCandy Crush

ArrayTwo PointersMatrixSimulation

LeetCode ↗77% acc.

MediumDot Product of Two Sparse Vectors

ArrayHash TableTwo PointersDesign

LeetCode ↗90% acc.

MediumImplement Trie (Prefix Tree)✓ Our Solution

Hash TableStringDesignTrie

LeetCode ↗68% acc.

HardSudoku Solver✓ Our Solution

ArrayHash TableBacktrackingMatrix

LeetCode ↗64% acc.

HardFind Minimum Time to Finish All Jobs✓ Our Solution

ArrayDynamic ProgrammingBacktrackingBit Manipulation+1

LeetCode ↗44% acc.

HardSmallest Range Covering Elements from K Lists✓ Our Solution

ArrayHash TableGreedySliding Window+2

LeetCode ↗70% acc.