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Probability

Probability of Raining Conditional Probability Microsoft probability

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Time Complexity

NESTED_CMPL3 Math Amazon Microsoft

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Arrays

Max Sum Contiguous Subarray Array Math Facebook Paypal Yahoo Microsoft LinkedIn Amazon Goldman Sachs Deloitte DE Shaw

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Find Duplicate in Array Bucketing Amazon VMWare Riverbed Microsoft

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Spiral Order Matrix I Simulation array Microsoft JP Morgan Amazon Flipkart Adobe Wipro

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Spiral Order Matrix II Simulation array Microsoft JP Morgan Amazon

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Largest Number Arrangement Amazon Goldman Sachs Microsoft

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First Missing Integer Missing / Repeated number Model N InMobi Amazon Microsoft Deloitte FreeCharge Goldman Sachs LIDO learning Mygate walmart DE Shaw

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Add One To Number Array Math Google Microsoft

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Max Distance Sorting Google Amazon Microsoft

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Next Permutation Arrangement Microsoft Amazon

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Anti Diagonals Simulation array Microsoft Adobe

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Hotel Bookings Possible Sorting Goldman Sachs Microsoft Amazon

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Flip Array Math VMWare Microsoft Amazon

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Maximum Unsorted Subarray Sorting Amazon Microsoft DE Shaw

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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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Sorted Permutation Rank Number theory Housing Zenefits Microsoft

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Binary Search

Median of Array Sort modification Amazon VMWare Google Microsoft Goldman Sachs Trifacta Hike

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Search for a Range Simple binary search Google Microsoft Shopee

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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 Amazon

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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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Valid Ip Addresses String parsing Amazon Microsoft

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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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Count And Say string Simulation Facebook Amazon Microsoft

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Add Binary Strings String math Facebook Microsoft

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Reverse the String Words Qualcomm Amazon Microsoft Cisco Facebook Twitter

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Minimum Characters required to make a String Palindromic string Tricks Amazon Microsoft

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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 Amazon

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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 Facebook

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Remove Duplicates from Sorted Array II Inplace Update Expedia Microsoft

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Minimize the absolute difference Microsoft

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Linked Lists

Swap List Nodes in pairs pointer move Microsoft Amazon Moonfrog Labs

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Reorder List 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 Amazon

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Remove Duplicates from Sorted List List 2 pointer Microsoft VMWare goldmann sachs Amazon

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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 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 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

Rain Water Trapped Stack math Qualcomm Amazon Microsoft Goldman Sachs

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Sliding Window Maximum Queue Google Chronus Walmart labs Amazon Microsoft

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Simplify Directory Path Stack simple Microsoft

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Min Stack Stack simple Yahoo Amazon Adobe Microsoft Grab Twitter

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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 Facebook Microsoft

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Combination Sum II Subsets Microsoft Amazon Infosys

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Sudoku Game solving Microsoft Qualcomm Uber Technologies Inc

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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 Goldman Sachs Deloitte

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Fraction Maths and hashing Amazon Microsoft

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2 Sum Hash Search Facebook Amazon Google 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 Map Adobe Citigroup Amazon Microsoft

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Tree Data Structure

Inorder Traversal Traversal Amazon Microsoft grofers

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Recover Binary Search Tree BST traversal Microsoft Amazon

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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 FactSet Oracle

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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 juspay

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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 DE Shaw

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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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Vertical Order traversal of Binary Tree Traversal Amazon Grab infoworks Microsoft

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Dynamic Programming

Longest Increasing Subsequence Simple array DP Facebook Yahoo Epic systems Amazon Microsoft deshaw

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Max Rectangle in Binary Matrix Matrix 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 Goldman Sachs Directi Software ag Uber Technologies Inc

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Edit Distance 2D string DP Google LinkedIn Microsoft Amazon Flipkart Ola PubMatic

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Regular Expression II 2D string DP Facebook Microsoft Google

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Coin Sum Infinite Suffix / prefix DP Microsoft Deloitte

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Longest Arithmetic Progression DP tricky Microsoft

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Length of Longest Subsequence Simple array DP Microsoft Directi Flipkart infoworks

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Smallest sequence with given Primes Simple array DP Booking.com Microsoft Directi

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Greedy Algorithm

Gas Station Medium Greedy Bloomberg Google DE Shaw Amazon Flipkart Microsoft Goldman Sachs

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Majority Element Medium Greedy Microsoft Yahoo Google Amazon

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Distribute Candy Medium Greedy Microsoft Flipkart Amazon

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Meeting rooms Medium Greedy Amazon ajio Apple Fab Flipkart Microsoft greedy

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Graph Data Structure & Algorithms

Word Ladder II Shortest path Google Microsoft Ebay

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Word Search Board graph traversal Epic systems Amazon Google infoworks Microsoft

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Word Ladder I Shortest path Google Microsoft Ebay

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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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