DSA Interview Questions

150 coding interview questions, including the full Blind 75, each tagged with the companies that ask it, its difficulty and its time and space complexity.

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150 questions found

1Did We Get Everything Covered

EasyGoogle logoGoogle
Constructive AlgorithmsHash Table
Solve

2Two Sum

EasyGoogle logoGoogleAmazon logoAmazonFacebook logoFacebook+1
ArrayHash Table
Solve

3Make Palindrome

HardWalmart logoWalmart
GreedyConstructive Algorithms
Solve

4Reverse Linked List

MediumAmazon logoAmazonMicrosoft logoMicrosoftApple logoApple
Linked ListRecursion
Solve

5Merge K Sorted Lists

HardGoogle logoGoogleMicrosoft logoMicrosoftUber logoUber
Linked ListDivide and ConquerHeap
Solve

6Climbing Stairs

EasyAmazon logoAmazonApple logoApple
Dynamic ProgrammingLinear DP
Solve

7House Robber II

MediumGoogle logoGoogleAirbnb logoAirbnb
Dynamic ProgrammingKnapsack
Solve

8Triangle

MediumFacebook logoFacebookAmazon logoAmazon
Dynamic ProgrammingMulti Dimensions DP
Solve

9Trapping Rain Water

HardAmazon logoAmazonGoogle logoGoogleApple logoApple+1
ArrayTwo PointersDynamic ProgrammingStack
Solve

10Word Break

MediumAmazon logoAmazonFacebook logoFacebookGoogle logoGoogle+1
Dynamic ProgrammingTrieMemoization
Solve

11Maximum Subarray Sum

MediumAmazon logoAmazonMicrosoft logoMicrosoftOracle logoOracle
ArrayDivide and ConquerDynamic Programming
Solve

12Watermelon

EasyYandex logoYandex
MathBrute Force
Solve

13Chef and Dolls

EasyInfosys logoInfosys
Bit Manipulation
Solve

14Frog 1

EasyLine logoLine
Dynamic ProgrammingLinear DP
Solve
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