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Yahoo Interview Questions (64)

Practice real interview problems from Yahoo

All64 Easy26 Medium32 Hard6

Status	Title	Solution	Practice	Difficulty	Companies	Topics
	2. Add Two Numbers	Solution	Solve	Medium	Accenture+37	Linked List Math+1
	11. Container With Most Water	Solution	Solve	Medium	Accenture+57	Array Greedy+1
	15. 3Sum	Solution	Solve	Medium	Accenture+60	Array Sorting+1
	33. Search in Rotated Sorted Array	Solution	Solve	Medium	Accolite+54	Array Binary Search
	39. Combination Sum	Solution	Solve	Medium	Airbnb+29	Array Backtracking
	48. Rotate Image	Solution	Solve	Medium	Accenture+36	Array Math+1
	49. Group Anagrams	Solution	Solve	Medium	Accolite+90	Array Hash Table+2
	54. Spiral Matrix	Solution	Solve	Medium	Accenture+52	Array Matrix+1
	72. Edit Distance	Solution	Solve	Medium	Accenture+30	Dynamic Programming String
	73. Set Matrix Zeroes	Solution	Solve	Medium	Amazon+23	Array Hash Table+1
	93. Restore IP Addresses	Solution	Solve	Medium	Adobe+17	Backtracking String
	98. Validate Binary Search Tree	Solution	Solve	Medium	Adobe+19	Binary Search Tree Binary Tree+2
	139. Word Break	Solution	Solve	Medium	Amazon+34	Array Dynamic Programming+4
	146. LRU Cache	Solution	Solve	Medium	Adobe+127	Design Doubly-Linked List+2
	162. Find Peak Element	Solution	Solve	Medium	Accenture+33	Array Binary Search
	200. Number of Islands	Solution	Solve	Medium	Accenture+86	Array Breadth-First Search+3
	238. Product of Array Except Self	Solution	Solve	Medium	Accenture+43	Array Prefix Sum
	284. Peeking Iterator	Solution	Solve	Medium	Apple+4	Array Design+1
	341. Flatten Nested List Iterator	Solution	Solve	Medium	Airbnb+17	Depth-First Search Design+4
	347. Top K Frequent Elements	Solution	Solve	Medium	Adobe+50	Array Bucket Sort+6
	394. Decode String	Solution	Solve	Medium	Activision+40	Recursion Stack+1
	399. Evaluate Division	Solution	Solve	Medium	Amazon+23	Array Breadth-First Search+5
	424. Longest Repeating Character Replacement	Solution	Solve	Medium	Adobe+19	Hash Table Sliding Window+1
	442. Find All Duplicates in an Array	Solution	Solve	Medium	Adobe+13	Array Hash Table
	443. String Compression	Solution	Solve	Medium	Adobe+42	String Two Pointers
	452. Minimum Number of Arrows to Burst Balloons	Solution	Solve	Medium	Amazon+9	Array Greedy+1
	491. Non-decreasing Subsequences	Solution	Solve	Medium	Amazon+2	Array Backtracking+2
	560. Subarray Sum Equals K	Solution	Solve	Medium	Accenture+45	Array Hash Table+1
	624. Maximum Distance in Arrays	Solution	Solve	Medium	Amazon+4	Array Greedy
	743. Network Delay Time	Solution	Solve	Medium	Akuna Capital+9	Breadth-First Search Depth-First Search+3
	1091. Shortest Path in Binary Matrix	Solution	Solve	Medium	Airbnb+16	Array Breadth-First Search+1
	1297. Maximum Number of Occurrences of a Substring	Solution	Solve	Medium	Amazon+6	Hash Table Sliding Window+1

Add Two Numbers

Medium✓ Solution📹 Video

Accenture+37

Linked List Math Recursion

Container With Most Water

Medium✓ Solution📹 Video

Accenture+57

Array Greedy Two Pointers

3Sum

Medium✓ Solution📹 Video

Accenture+60

Array Sorting Two Pointers

Search in Rotated Sorted Array

Medium✓ Solution

Accolite+54

Array Binary Search

Combination Sum

Medium✓ Solution📹 Video

Airbnb+29

Array Backtracking

Rotate Image

Medium✓ Solution

Accenture+36

Array Math Matrix

Group Anagrams

Medium✓ Solution📹 Video

Accolite+90

Array Hash Table Sorting+1

Spiral Matrix

Medium✓ Solution

Accenture+52

Array Matrix Simulation

Edit Distance

Medium✓ Solution

Accenture+30

Dynamic Programming String

Set Matrix Zeroes

Medium✓ Solution

Amazon+23

Array Hash Table Matrix

Restore IP Addresses

Medium✓ Solution

Adobe+17

Backtracking String

Validate Binary Search Tree

Medium✓ Solution📹 Video

Adobe+19

Binary Search Tree Binary Tree Depth-First Search+1

Word Break

Medium✓ Solution📹 Video

Amazon+34

Array Dynamic Programming Hash Table+3

LRU Cache

Medium✓ Solution

Adobe+127

Design Doubly-Linked List Hash Table+1

Find Peak Element

Medium✓ Solution📹 Video

Accenture+33

Array Binary Search

Number of Islands

Medium✓ Solution📹 Video

Accenture+86

Array Breadth-First Search Depth-First Search+2

Product of Array Except Self

Medium✓ Solution📹 Video

Accenture+43

Array Prefix Sum

Peeking Iterator

Medium✓ Solution

Apple+4

Array Design Iterator

Flatten Nested List Iterator

Medium✓ Solution

Airbnb+17

Depth-First Search Design Iterator+3

Top K Frequent Elements

Medium✓ Solution📹 Video

Adobe+50

Array Bucket Sort Counting+5

Decode String

Medium✓ Solution

Activision+40

Recursion Stack String

Evaluate Division

Medium✓ Solution

Amazon+23

Array Breadth-First Search Depth-First Search+4

Longest Repeating Character Replacement

Medium✓ Solution

Adobe+19

Hash Table Sliding Window String

Find All Duplicates in an Array

Medium✓ Solution

Adobe+13

Array Hash Table

String Compression

Medium✓ Solution

Adobe+42

String Two Pointers

Minimum Number of Arrows to Burst Balloons

Medium✓ Solution

Amazon+9

Array Greedy Sorting

Non-decreasing Subsequences

Medium✓ Solution

Amazon+2

Array Backtracking Bit Manipulation+1

Subarray Sum Equals K

Medium✓ Solution📹 Video

Accenture+45

Array Hash Table Prefix Sum

Maximum Distance in Arrays

Medium✓ Solution📹 Video

Amazon+4

Network Delay Time

Medium✓ Solution

Akuna Capital+9

Breadth-First Search Depth-First Search Graph+2

Shortest Path in Binary Matrix

Medium✓ Solution

Airbnb+16

Array Breadth-First Search Matrix

Maximum Number of Occurrences of a Substring

Medium

Amazon+6

Hash Table Sliding Window String