Company Wise Interview Questions

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Two Sum

Add Two Numbers

Longest Substring Without Repeating Characters

Median Of Two Sorted Arrays

Longest Palindromic Substring

String To Integer Atoi

Regular Expression Matching

Roman To Integer

Longest Common Prefix

3sum

3sum Closest

Letter Combinations Of A Phone Number

4sum

Remove Nth Node From End Of List

Valid Parentheses

Merge Two Sorted Lists

Generate Parentheses

Merge K Sorted Lists

Remove Duplicates From Sorted Array

Remove Element

Divide Two Integers

Next Permutation

Search In Rotated Sorted Array

Find First And Last Position Of Element In Sorted Array

First Missing Positive

Minimum Window Substring

Subsets

Word Search

Remove Duplicates From Sorted Array Ii

Largest Rectangle In Histogram

Merge Sorted Array

Reverse Linked List Ii

Validate Binary Search Tree

Binary Tree Level Order Traversal

Binary Tree Zigzag Level Order Traversal

Balanced Binary Tree

Minimum Depth Of Binary Tree

Path Sum Ii

Flatten Binary Tree To Linked List

Populating Next Right Pointers In Each Node

Pascals Triangle

Best Time To Buy And Sell Stock

Binary Tree Maximum Path Sum

Valid Palindrome

Word Ladder

Longest Consecutive Sequence

Sum Root To Leaf Numbers

Clone Graph

Copy List With Random Pointer

Word Break

Word Break Ii

Lru Cache

Reverse Words In A String

Find Peak Element

Missing Ranges

Two Sum Ii Input Array Is Sorted

Majority Element

Binary Search Tree Iterator

Consecutive Numbers

Binary Tree Right Side View

Number Of Islands

Remove Linked List Elements

Course Schedule

Minimum Size Subarray Sum

Course Schedule Ii

Word Search Ii

Kth Largest Element In An Array

Contains Duplicate

Contains Duplicate Ii

Palindrome Linked List

Lowest Common Ancestor Of A Binary Search Tree

Lowest Common Ancestor Of A Binary Tree

Product Of Array Except Self

Sliding Window Maximum

Strobogrammatic Number

Group Shifted Strings

Meeting Rooms Ii

Graph Valid Tree

Palindrome Permutation

Alien Dictionary

Closest Binary Search Tree Value

Integer To English Words

First Bad Version

Expression Add Operators

Move Zeroes

Walls And Gates

Find Median From Data Stream

Best Meeting Point

Serialize And Deserialize Binary Tree

Longest Increasing Subsequence

Remove Invalid Parentheses

Range Sum Query Immutable

Range Sum Query 2d Immutable

Minimum Height Trees

Binary Tree Vertical Order Traversal

Shortest Distance From All Buildings

Longest Increasing Path In A Matrix

Reconstruct Itinerary

Nested List Weight Sum

Flatten Nested List Iterator

Moving Average From Data Stream

Top K Frequent Elements

Design Tic Tac Toe

Intersection Of Two Arrays

Valid Perfect Square

Kth Smallest Element In A Sorted Matrix

Insert Delete Getrandom O1

Valid Word Abbreviation

Add Strings

Battleships In A Board

Longest Repeating Character Replacement

Non Overlapping Intervals

String Compression

Find All Numbers Disappeared In An Array

Delete Node In A Bst

Sort Characters By Frequency

Island Perimeter

Validate Ip Address

Sliding Window Median

The Maze

Target Sum

Diagonal Traverse

Next Greater Element Ii

Find Largest Value In Each Tree Row

Continuous Subarray Sum

Contiguous Array

Minesweeper

Minimum Absolute Difference In Bst

Construct Binary Tree From String

Single Element In A Sorted Array

Diameter Of Binary Tree

Boundary Of Binary Tree

Next Greater Element Iii

Subarray Sum Equals K

Find Customer Referee

Can Place Flowers

Merge Two Binary Trees

Exclusive Time Of Functions

Average Of Levels In Binary Tree

Palindromic Substrings

Find K Closest Elements

Maximum Swap

Longest Continuous Increasing Subsequence

Implement Magic Dictionary

Valid Palindrome Ii

Longest Univalue Path

Maximum Sum Of 3 Non Overlapping Subarrays

Stickers To Spell Word

Max Area Of Island

Partition To K Equal Sum Subsets

Subarray Product Less Than K

Accounts Merge

Find Pivot Index

Minimum Window Subsequence

Asteroid Collision

Daily Temperatures

Convert Binary Search Tree To Sorted Doubly Linked List

Serialize And Deserialize N Ary Tree

Flatten A Multilevel Doubly Linked List

Insert Into A Sorted Circular Linked List

Friends Of Appropriate Ages

Making A Large Island

Design Circular Queue

Robot Room Cleaner

All Nodes Distance K In Binary Tree

Smallest Subtree With All The Deepest Nodes

Koko Eating Bananas

Random Pick With Weight

All Possible Full Binary Trees

Fruit Into Baskets

Sort Array By Parity

Complete Binary Tree Inserter

Minimum Add To Make Parentheses Valid

Range Sum Of Bst

Verifying An Alien Dictionary

Check Completeness Of A Binary Tree

Binary Tree Cameras

K Closest Points To Origin

Squares Of A Sorted Array

Minimum Cost For Tickets

Interval List Intersections

Vertical Order Traversal Of A Binary Tree

Number Of Squareful Arrays

Max Consecutive Ones Iii

Construct Binary Search Tree From Preorder Traversal

Capacity To Ship Packages Within D Days

Missing Element In Sorted Array

Maximum Level Sum Of A Binary Tree

Remove All Adjacent Duplicates In String

Shortest Path In Binary Matrix

Tree Diameter

Valid Palindrome Iii

Lowest Common Ancestor Of Deepest Leaves

Element Appearing More Than 25 In Sorted Array

Rank Transform Of An Array

Balance A Binary Search Tree

Number Of Visible People In A Queue

Remove All Adjacent Duplicates In String Ii

Minimum Remove To Make Valid Parentheses

Number Of Substrings Containing All Three Characters

Product Of The Last K Numbers

Diagonal Traverse Ii

Minimum Time To Collect All Apples In A Tree

Least Number Of Unique Integers After K Removals

Kth Missing Positive Number

Minimum Insertions To Balance A Parentheses String

Diameter Of N Ary Tree

Dot Product Of Two Sparse Vectors

Determine If Two Strings Are Close

Lowest Common Ancestor Of A Binary Tree Ii

Check If Two String Arrays Are Equivalent

Lowest Common Ancestor Of A Binary Tree Iii

Merge Strings Alternately

Recyclable And Low Fat Products

Buildings With An Ocean View

Product Of Two Run Length Encoded Arrays

Nearest Exit From Entrance In Maze

Cutting Ribbons

Minimum Number Of Swaps To Make The String Balanced

Find Unique Binary String

Check If An Original String Exists Given Two Encoded Strings

Adding Spaces To A String

Count Hills And Valleys In An Array

Count Nodes Equal To Average Of Subtree

Task Scheduler Ii

Maximum Sum Of Distinct Subarrays With Length K

Split Message Based On Limit

The Number Of Beautiful Subsets

Counter

Create Hello World Function

Find Common Elements Between Two Arrays

Maximum Number Of Intersections On The Chart