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Storage Scalability
Design Cache
Amazon
Facebook
Google
Ola Cabs
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Arrays
Kth Row of Pascal's Triangle
Simulation array
Google
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Rotate Matrix
Arrangement
Google
Facebook
Amazon
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Merge Intervals
Value ranges
Google
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Merge Overlapping Intervals
Value ranges
Google
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Add One To Number
Array Math
Google
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N/3 Repeat Number
Missing / Repeated number
Google
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Pascal Triangle
Simulation array
Google
Amazon
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Max Distance
Bucketing
Bucketing or sorting
Google
Amazon
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Max Non Negative SubArray
Simulation array
Google
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Wave Array
Bucketing
Bucketing or sorting
Google
Adobe
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Interview Questions
Design Messenger
Amazon
Amazon Lab126
Facebook
Google
Twitter
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Design Search Typeahead
Facebook
Google
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Math
Grid Unique Paths
Combinatorics
Google
Amazon
Microsoft
Adobe
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Greatest Common Divisor
Number theory
NetApp
Google
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Sum of pairwise Hamming Distance
Adhoc
Google
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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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Implement Power Function
Search step simulation
Google
LinkedIn
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Rotated Sorted Array Search
Sort modification
Facebook
Google
Microsoft
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Allocate Books
Search answer
Google
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Painter's Partition Problem
Search answer
Google
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Strings
Longest Common Prefix
string Simulation
Google
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Multiply Strings
String math
Microsoft
Google
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Justified Text
Pretty print
LinkedIn
Google
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Bit Manipulation
Single Number II
Bit array
Google
Amazon
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Different Bits Sum Pairwise
Bit play
Google
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Two Pointers
Intersection Of Sorted Arrays
Multiple arrays
Facebook
Google
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Remove Duplicates from Sorted Array
Inplace Update
United Healthgroup
Amazon
Google
Microsoft
Expedia
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Array 3 Pointers
Tricks
Google
Microsoft
Yahoo
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Container With Most Water
Tricks
Facebook
Google
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3 Sum Zero
Sorting
Facebook
Google
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Linked Lists
Sort List
List sort
Google
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Insertion Sort List
List sort
Microsoft
Google
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Stacks And Queues
Evaluate Expression
Stack math
Yahoo
Google
Facebook
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Largest Rectangle in Histogram
cleverstack
Google
Facebook
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Sliding Window Maximum
cleverstack
Google
Chronus
Walmart labs
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Backtracking
All Unique Permutations
Microsoft
Facebook
Google
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Permutations
Permutations
Microsoft
Adobe
Google
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NQueens
Game solving
Pruned builder
Qualcomm
Google
Amazon
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Palindrome Partitioning
Bruteforce builder
Pruned builder
Amazon
Google
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Hashing
Window String
Hashing two pointer
Google
Directi
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Longest Consecutive Sequence
Amazon
Google
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4 Sum
Hash Search
Amazon
Google
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Points on the Straight Line
Maths and hashing
Google
Amazon
InMobi
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2 Sum
Hash Search
Facebook
Amazon
Google
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Valid Sudoku
Hash Search
Google
Amazon
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Heaps And Maps
Merge K Sorted Lists
heap
Flipkart
Amazon
Google
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Trees
Least Common Ancestor
Tree search
Facebook
Adobe
Microsoft
Amazon
Google
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Sum Root to Leaf Numbers
Root to leaf
Google
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Order of People Heights
Interval Tree
Google
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Shortest Unique Prefix
Trie
Google
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Invert the Binary Tree
Inplace Change
Google
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Dynamic Programming
Max Rectangle in Binary Matrix
Matrix DP
preprocess DP
Google
Microsoft
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Distinct Subsequences
2D string DP
Google
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Palindrome Partitioning II
Breaking words
Amazon
Google
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Min Jumps Array
Greedy OR DP
Amazon
Ebay
Google
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Edit Distance
2D string DP
Google
LinkedIn
Microsoft
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Word Break
Breaking words
IBM
Google
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Regular Expression II
2D string DP
Facebook
Microsoft
Google
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Interleaving Strings
2D string DP
Google
Yahoo
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Word Break II
DP optimized backtrack
IBM
Google
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Longest valid Parentheses
DP tricky
Google
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Repeating Sub-Sequence
2D string DP
Google
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Rod Cutting
Matrix DP
Google
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Sub Matrices with sum Zero
Suffix / prefix DP
Google
dynamic programming
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Shortest common superstring
DP tricky
Google
dynamic programming
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Greedy
Gas Station
Bucket 2
Bloomberg
Google
DE Shaw
Amazon
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Majority Element
Bucket 3
Microsoft
Yahoo
Google
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Graphs
Convert Sorted List to Binary Search Tree
graph adhoc
Google
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Capture Regions on Board
graph traversal
graph connectivity
Google
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Word Ladder II
Shortest path
Google
Microsoft
Ebay
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Clone Graph
graph hashing
Google
Facebook
Amazon
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Word Ladder I
Shortest path
Google
Microsoft
Ebay
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Largest Distance between nodes of a Tree
Depth first search
Facebook
Google
DP on a tree
Depth first search
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Puzzles
Daughters' Ages
Logical deduction
Google
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Cross the Bridge
Math
Google
Microsoft
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Divide the Cake
Geometry and shapes
Google
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Eggs and Building
Math
Google
Nvidia
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Ratio of Boys and Girls
Math
Google
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