Most Frequently Asked Tree Interview Questions

Problem TitleDifficultyFrequency in Interviews
Binary Tree Max Path
Hard
Binary Tree Diameter
Easy
Number Of Subtrees With Single Value
Medium
Binary Tree Max Depth
Easy
Distinct Binary Search Trees
Medium
Verify Preorder Sequence In Binary Search Tree
Medium
Binary Tree Max Width
Medium
Longest Binary Tree Path
Medium
Binary Tree Longest Consecutive Sequence II
Medium
Single Number Path
Easy
Binary Tree Min Depth
Easy
Binary Tree Diff
Easy
Path Sum IV
Medium
Smallest String In Tree
Medium
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Pinterest
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Hulu
Indeed
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Visa
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Mathworks
Nvidia
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Citadel
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Huawei
Coursera
NetEase
ServiceNow
Grab
Two Sigma
IBM
DoorDash
Aetion
Qualtrics
Morgan Stanley
TripAdvisor
Quora
Wayfair
Intel
Coupang
Square
Splunk
Tesla
Works Applications
BlackRock
Epic Systems
Redfin
Twitch
Barclays
Spotify
Capital One
Zappos
Affirm
IXL
Zoho
Cruise Automation
Cohesity
Roblox
Tableau
Groupon
Riot Games
Akuna Capital
Houzz
Postmates
Flipkart
Symantec
Zynga
Rubrik
Box
Dropbox
Twilio
FactSet
AppDynamics
Booking.com
Robinhood
Qualcomm
HTC
Audible
Drawbridge
Zulily
Deutsche Bank
Evernote
LiveRamp
Databricks
Citrix
DiDi
Pure Storage
Alation
Gilt Groupe
GE Digital
Dataminr
Dell
Lending Club
C3 IoT
Helix
Sumologic
Radius
HBO
MAQ Software
Jump Trading
Asana
Yatra
Arista Networks
Cloudera
InMobi
Fallible
Blizzard
Pure
Netsuite
Pony.ai
EMC
Goo
Karat
Jingchi
TripleByte
Opendoor
TandemG
Netflix
Meituan
Quip
Valve
Sina
Sort By: Problem Type
Array
Backtracking
Binary Indexed Tree
Binary Search
Bit Manipulation
Breadth-first Search
Depth-first Search
Divide and Conquer
Dynamic Programming
Graph
Greedy
Hash Table
Heap
Linked List
Math
Recursion
Segment Tree
Sliding Window
Sort
Stack
String
Topological Sort
Tree
Trie
Two Pointers
Union Find

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