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Microsoft
Arrays
Max Sum Contiguous Subarray
Array Math
Facebook
Paypal
Yahoo
Microsoft
LinkedIn
Amazon
Goldman Sachs
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Spiral Order Matrix I
Simulation array
Microsoft
JP Morgan
Amazon
Flipkart
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Spiral Order Matrix II
Simulation array
Microsoft
JP Morgan
Amazon
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Next Permutation
Arrangement
Microsoft
Amazon
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Anti Diagonals
Simulation array
Microsoft
Adobe
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Math
Grid Unique Paths
Combinatorics
Google
Amazon
Microsoft
Adobe
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Trailing Zeros in Factorial
Number theory
Microsoft
Jabong
Zillow
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Random Attendance
Array Math
Adhoc
Microsoft
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Binary Search
Median of Array
Sort modification
Amazon
VMWare
Google
Microsoft
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Search for a Range
Simple binary search
Google
Microsoft
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Square Root of Integer
Search answer
Facebook
Amazon
Microsoft
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Rotated Sorted Array Search
Sort modification
Facebook
Google
Microsoft
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Strings
Implement StrStr
String Search
Facebook
Amazon
Qualcomm
Wipro
Microsoft
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Integer To Roman
String math
Amazon
Facebook
Microsoft
Twitter
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Roman To Integer
String math
Amazon
Facebook
Microsoft
Twitter
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Multiply Strings
String math
Microsoft
Google
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Atoi
String parsing
Adobe
Nvidia
Agilent systems
Bloomberg
Amazon
Apple
Microsoft
Groupon
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Longest Palindromic Substring
string Tricks
Amazon
Microsoft
Groupon
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Pretty Json
Pretty print
Facebook
Microsoft
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Reverse the String
Words
Qualcomm
Amazon
Microsoft
Cisco
Facebook
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Bit Manipulation
Divide Integers
Bit play
Microsoft
Amazon
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Two Pointers
Merge Two Sorted Lists II
Multiple arrays
Adobe
Expedia
Microsoft
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3 Sum
Sorting
Facebook
Amazon
Microsoft
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Remove Duplicates from Sorted Array
Inplace Update
United Healthgroup
Amazon
Google
Microsoft
Expedia
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Sort by Color
Inplace Update
Facebook
Microsoft
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Array 3 Pointers
Tricks
Google
Microsoft
Yahoo
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Remove Duplicates from Sorted Array II
Inplace Update
Expedia
Microsoft
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Minimize the absolute difference
two pointer
Microsoft
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Linked Lists
Swap List Nodes in pairs
pointer move
Microsoft
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Reorder List
List 2 pointer
pointer move
list trick
Amazon
Microsoft
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Remove Duplicates from Sorted List II
List 2 pointer
Microsoft
VMWare
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Merge Two Sorted Lists
List 2 pointer
Microsoft
Yahoo
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Remove Duplicates from Sorted List
List 2 pointer
Microsoft
VMWare
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Add Two Numbers as Lists
List math
Amazon
Qualcomm
Microsoft
Facebook
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Partition List
List sort
Microsoft
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Insertion Sort List
List sort
Microsoft
Google
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List Cycle
List math
List cycle
Amazon
Microsoft
NetApp
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Intersection of Linked Lists
List 2 pointer
Amazon
Microsoft
NetApp
Apache Design
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Reverse Link List II
List 2 pointer
pointer move
list trick
Facebook
Microsoft
Amazon
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Palindrome List
List 2 pointer
Amazon
Microsoft
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K reverse linked list
pointer move
Microsoft
Amazon
Linked Lists
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Stacks And Queues
Simplify Directory Path
Stack simple
Microsoft
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Nearest Smaller Element
cleverstack
Amazon
Microsoft
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Backtracking
All Unique Permutations
Microsoft
Facebook
Google
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Permutations
Permutations
Microsoft
Adobe
Google
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Generate all Parentheses II
Bruteforce builder
Pruned builder
Facebook
Microsoft
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Combination Sum II
Subsets
Microsoft
Amazon
Infosys
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Sudoku
Game solving
Pruned builder
Microsoft
Qualcomm
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Gray Code
Maths and backtracking
Microsoft
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Subsets II
Subsets
Amazon
Microsoft
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Subset
Subsets
Amazon
Microsoft
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Hashing
Anagrams
Key formation
Amazon
Microsoft
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Fraction
Maths and hashing
Amazon
Microsoft
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Copy List
Key formation
Amazon
Microsoft
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Largest Continuous Sequence Zero Sum
Hash Search
Microsoft
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Heaps And Maps
LRU Cache
heapmap
Adobe
Citigroup
Amazon
Microsoft
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Tree Data Structure
Inorder Traversal
Traversal
Amazon
Microsoft
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Recover Binary Search Tree
BST traversal
Microsoft
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Least Common Ancestor
Tree search
Facebook
Adobe
Microsoft
Amazon
Google
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Construct Binary Tree From Inorder And Preorder
Tree construction
Amazon
Microsoft
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Flatten Binary Tree to Linked List
LinkedList tree
Adobe
Amazon
Microsoft
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Preorder Traversal
Traversal
Amazon
Microsoft
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Max Depth of Binary Tree
Root to leaf
Goldman Sachs
Facebook
Bloomberg
Microsoft
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Binary Tree From Inorder And Postorder
Tree construction
Amazon
Microsoft
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Sum Root to Leaf Numbers
Root to leaf
Google
Microsoft
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Postorder Traversal
Traversal
Amazon
Microsoft
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Populate Next Right Pointers Tree
level order
Microsoft
Amazon
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ZigZag Level Order Traversal BT
level order
Amazon
Microsoft
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Path Sum
Root to leaf
Microsoft
Yahoo
Amazon
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Next Pointer Binary Tree
Microsoft
Amazon
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Root to Leaf Paths With Sum
Root to leaf
Microsoft
Yahoo
Amazon
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Dynamic Programming
Longest Increasing Subsequence
2D string DP
Facebook
Yahoo
Epic systems
Amazon
Microsoft
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Max Rectangle in Binary Matrix
Matrix DP
preprocess DP
Google
Microsoft
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Max Product Subarray
Suffix / prefix DP
Amazon
LinkedIn
Microsoft
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Regular Expression Match
2D string DP
Facebook
Microsoft
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Edit Distance
2D string DP
Google
LinkedIn
Microsoft
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Regular Expression II
2D string DP
Facebook
Microsoft
Google
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Coin Sum Infinite
Suffix / prefix DP
Microsoft
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Longest Arithmetic Progression
DP tricky
Microsoft
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Length of Longest Subsequence
Simple array DP
Microsoft
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Greedy Algorithm
Majority Element
Bucket 3
Microsoft
Yahoo
Google
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Distribute Candy
Bucket 1
Microsoft
Flipkart
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Graph Data Structure & Algorithms
Word Ladder II
Shortest path
Google
Microsoft
Ebay
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Word Ladder I
Shortest path
Google
Microsoft
Ebay
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Smallest sequence with given Primes
BFS
Booking.com
Microsoft
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Puzzles
Jelly Beans Jars
Logical deduction
Microsoft
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Cross the Bridge
Math
Google
Microsoft
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Find the Defective Ball
Geometry and shapes
Microsoft
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World Trips
Math
Microsoft
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Color of the Bear
Physics
Microsoft
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One Mile on the Globe
Math
Microsoft
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Divide Gold Bar
Geometry and shapes
Microsoft
Ebay
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Quarters on a Table
Game
Microsoft
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Ants on a Triangle
Geometry and shapes
Microsoft
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