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Interview Questions›Compare›Big Tech Interview Questions Comparison

Big Tech Interview Questions Comparison

Compare interview questions across major tech companies including Google, Amazon, Microsoft, Meta, Apple, and more.

Company Statistics

Google

Total Problems:2344
Easy:616
Medium:1223
Hard:505
Avg Frequency:19%
View Google Questions

Amazon

Total Problems:2011
Easy:536
Medium:1087
Hard:388
Avg Frequency:21%
View Amazon Questions

Microsoft

Total Problems:1384
Easy:393
Medium:757
Hard:234
Avg Frequency:23%
View Microsoft Questions

Meta

Total Problems:1399
Easy:427
Medium:763
Hard:209
Avg Frequency:22%
View Meta Questions

Apple

Total Problems:298
Easy:74
Medium:177
Hard:47
Avg Frequency:39%
View Apple Questions

TikTok

Total Problems:348
Easy:34
Medium:243
Hard:71
Avg Frequency:42%
View TikTok Questions

Common Problems (1972)

These problems appear in interviews at multiple companies in this comparison.

EasyMax Frequency: 100%

Two Sum

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
ArrayHash Table
#1
Common
MediumMax Frequency: 100%

LRU Cache

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
Hash TableLinked ListDesignDoubly-Linked List
#2
Common
MediumMax Frequency: 100%

Minimum Remove to Make Valid Parentheses

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
StringStack
#3
Common
MediumMax Frequency: 97.3%

Number of Islands

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
#4
Common
EasyMax Frequency: 96.8%

Valid Word Abbreviation

Asked at:Google, Amazon, Meta, TikTok
Two PointersString
#5
Common
EasyMax Frequency: 95.1%

Valid Palindrome II

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
Two PointersStringGreedy
#6
Common
MediumMax Frequency: 93.4%

Binary Tree Vertical Order Traversal

Asked at:Google, Amazon, Microsoft, Meta, Apple
Hash TableTreeDepth-First SearchBreadth-First SearchSorting
#7
Common
MediumMax Frequency: 93.3%

Kth Largest Element in an Array

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
ArrayDivide and ConquerSortingHeap (Priority Queue)Quickselect
#8
Common
MediumMax Frequency: 89.7%

Longest Increasing Subsequence

Asked at:Google, Amazon, Microsoft, Meta, TikTok
ArrayBinary SearchDynamic ProgrammingLongest Increasing Subsequence
#9
Common
MediumMax Frequency: 89.3%

Basic Calculator II

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
MathStringStack
#10
Common
MediumMax Frequency: 88.5%

Lowest Common Ancestor of a Binary Tree III

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
Hash TableTwo PointersTreeBinary TreeBinary Lifting
#11
Common
HardMax Frequency: 88%

Trapping Rain Water

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
#12
Common
MediumMax Frequency: 87.9%

Nested List Weight Sum

Asked at:Google, Amazon, Meta
Depth-First SearchBreadth-First Search
#13
Common
MediumMax Frequency: 87.7%

Random Pick with Weight

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
ArrayMathBinary SearchPrefix SumRandomized
#14
Common
MediumMax Frequency: 87.2%

Longest Substring Without Repeating Characters

Asked at:Google, Amazon, Microsoft, Meta, Apple, TikTok
Hash TableStringSliding Window
#15
Common

Most Popular Topics

4285
Array
1779
String
1662
Hash Table
1243
Dynamic Programming
1218
Math
1103
Sorting
878
Depth-First Search
825
Greedy
750
Binary Search
715
Breadth-First Search

Unique Problems by Company

Google Unique Problems (10)

HardFrequency: 54.5%

Viewers Turned Streamers

MediumFrequency: 45.4%

The Earliest Moment When Everyone Become Friends

MediumFrequency: 42.7%

Apply Substitutions

MediumFrequency: 40.2%

Swap Adjacent in LR String

HardFrequency: 39.5%

Finding MK Average

Amazon Unique Problems (10)

MediumFrequency: 47.7%

Plates Between Candles

MediumFrequency: 43.6%

Minimum Health to Beat Game

HardFrequency: 40.2%

Sum of Total Strength of Wizards

MediumFrequency: 38.9%

Minimum Operations to Make Array Non Decreasing

MediumFrequency: 37.4%

Maximum K to Sort a Permutation

Microsoft Unique Problems (10)

HardFrequency: 38.2%

Minimum Cost to Equalize Array

MediumFrequency: 32.8%

Maximal Network Rank

MediumFrequency: 32.8%

Maximum Number of Potholes That Can Be Fixed

MediumFrequency: 31.1%

Print Words Vertically

MediumFrequency: 31.1%

Reduction Operations to Make the Array Elements Equal

Meta Unique Problems (10)

MediumFrequency: 46.5%

Product of Two Run-Length Encoded Arrays

MediumFrequency: 26.7%

Leftmost Column with at Least a One

EasyFrequency: 26.7%

Find a Corresponding Node of a Binary Tree in a Clone of That Tree

MediumFrequency: 26.7%

Diameter of N-Ary Tree

MediumFrequency: 26.7%

Find the Most Common Response

Apple Unique Problems (6)

MediumFrequency: 53.1%

Calculate Score After Performing Instructions

MediumFrequency: 48.7%

Number of Pairs of Strings With Concatenation Equal to Target

MediumFrequency: 48.7%

Maximum Rows Covered by Columns

HardFrequency: 48.7%

Count the Number of Incremovable Subarrays II

MediumFrequency: 48.7%

Find the Grid of Region Average

TikTok Unique Problems (10)

HardFrequency: 59.3%

Minimum Operations to Make Character Frequencies Equal

HardFrequency: 59.3%

Minimum Cost Good Caption

MediumFrequency: 54.4%

Most Popular Video Creator

MediumFrequency: 54.4%

Find the Score of All Prefixes of an Array

HardFrequency: 54.4%

Minimum Moves to Pick K Ones

Other Comparisons

Google vs Amazon Interview Questions

Compare coding interview questions between Google and Amazon. See which problems are unique to each company and which overlap.

Compare Google vs Amazon

Meta vs Google Interview Questions

Compare Facebook (Meta) and Google interview questions. Analyze the differences in coding problem preferences.

Compare Meta vs Google

FAANG Interview Questions Comparison

Compare interview questions across Facebook (Meta), Apple, Amazon, Netflix, and Google. Master the most common FAANG coding problems.

Compare Meta vs Apple vs Amazon vs Netflix vs Google

Startup vs Big Tech Interview Questions

Compare interview questions between high-growth startups and established big tech companies.

Compare Uber vs Airbnb vs DoorDash vs Google vs Amazon vs Microsoft

Finance & Tech Interview Questions

Compare coding interview questions at financial technology companies and trading firms.

Compare Goldman Sachs vs PayPal vs Oracle vs Salesforce

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