Interactive Interview Questions

Master 22 interactive problems frequently asked in technical interviews. These questions test your understanding of interactiveconcepts and are essential for coding interview success.

Total Problems

Easy

Medium

Hard

Find the Celebrity

Asked at LinkedIn

Two Pointers Graph Theory Interactive

Rank

#1374MediumFrequency: 66.4%

Leftmost Column with at Least a One

Asked at Uber

Array Binary Search Matrix Interactive

Rank

#865HardFrequency: 62.4%

Robot Room Cleaner

Asked at Meta

Backtracking Interactive

Rank

#3333MediumFrequency: 47.5%

Find Pattern in Infinite Stream I

Asked at Uber

Array Sliding Window Rolling Hash String Matching Interactive Hash Function

Rank

#3352HardFrequency: 47.5%

Find Pattern in Infinite Stream II

Asked at Uber

Array Sliding Window Rolling Hash String Matching Interactive Hash Function

Rank

#278EasyFrequency: 45%

First Bad Version

Asked at Meta

Binary Search Interactive

Rank

#873HardFrequency: 44.3%

Guess the Word

Asked at Google

Array Math String Minimax Interactive Game Theory

Rank

#1931MediumFrequency: 40%

Shortest Path in a Hidden Grid

Asked at Meta

Array Depth-First Search Breadth-First Search Matrix Interactive

Rank

#158HardFrequency: 29.5%

Read N Characters Given read4 II - Call Multiple Times

Asked at Apple

Array Simulation Interactive

Rank

#1185HardFrequency: 28.9%

Find in Mountain Array

Asked at Google

Array Binary Search Interactive Ternary Search

#10

Rank

#1959MediumFrequency: 26.7%

Minimum Path Cost in a Hidden Grid

Asked at Meta

Array Depth-First Search Breadth-First Search Graph Theory Heap (Priority Queue)Matrix Interactive Shortest Path

#11

Rank

#1358MediumFrequency: 24.6%

Find Positive Integer Solution for a Given Equation

Asked at TikTok

Math Two Pointers Binary Search Interactive

#12

Rank

#157EasyFrequency: 23.4%

Read N Characters Given Read4

Asked at Meta

Array Simulation Interactive

#13

Rank

#374EasyFrequency: 23.3%

Guess Number Higher or Lower

Asked at Google

Binary Search Interactive

#14

Rank

#1672MediumFrequency: 21.9%

Find the Index of the Large Integer

Asked at Amazon

Array Binary Search Interactive

#15

Rank

#1271MediumFrequency: 21.5%

Web Crawler

Asked at Meta

String Depth-First Search Breadth-First Search Interactive

#16

Rank

#2995MediumFrequency: 20%

Number of Unique Categories

Asked at Amazon

Union-Find Interactive Counting

#17

Rank

#786MediumFrequency: 19.5%

Search in a Sorted Array of Unknown Size

Asked at Google

Array Binary Search Interactive

#18

Rank

#1384MediumFrequency: 16.4%

Maximum Font to Fit a Sentence in a Screen

Asked at Google

Array String Binary Search Interactive

#19

Rank

#1681MediumFrequency: 16.4%

Guess the Majority in a Hidden Array

Asked at Google

Array Math Interactive Boyer–Moore Majority Vote Algorithm

#20

Rank

#2875EasyFrequency: 16.4%

Count Houses in a Circular Street

Asked at Google

Array Interactive

#21

Rank

#3222MediumFrequency: 16.4%

Number of Equal Numbers Blocks

Asked at Google

Array Binary Search Interactive

#22

Rank

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Interactive Interview Questions

Master 22 interactive problems frequently asked in technical interviews. These questions test your understanding of interactiveconcepts and are essential for coding interview success.

Total Problems

Easy

Medium

Hard