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Facebook — 90 Days

Minimum Remove To Make Valid Parentheses

Valid Word Abbreviation

Valid Palindrome Ii

Kth Largest Element In An Array

Binary Tree Right Side View

Diameter Of Binary Tree

Subarray Sum Equals K

Lowest Common Ancestor Of A Binary Tree

Basic Calculator Ii

Random Pick With Weight

Binary Tree Vertical Order Traversal

Two Sum

Nested List Weight Sum

Merge Intervals

Simplify Path

Valid Palindrome

Sum Root To Leaf Numbers

Top K Frequent Elements

Lowest Common Ancestor Of A Binary Tree Iii

Buildings With An Ocean View

Copy List With Random Pointer

Lru Cache

Making A Large Island

Shortest Path In Binary Matrix

Best Time To Buy And Sell Stock

Powx N

K Closest Points To Origin

Valid Parentheses

Next Permutation

Merge Sorted Array

Find Peak Element

Find First And Last Position Of Element In Sorted Array

Add Two Numbers

Custom Sort String

Minimum Window Substring

Max Consecutive Ones Iii

Longest Valid Parentheses

Exclusive Time Of Functions

All Nodes Distance K In Binary Tree

Minimum Add To Make Parentheses Valid

Dot Product Of Two Sparse Vectors

Simple Bank System

Count Nodes Equal To Average Of Subtree

Course Schedule

Add Strings

Palindromic Substrings

Clone Graph

Longest Substring Without Repeating Characters

Remove Nth Node From End Of List

Robot Room Cleaner

Range Sum Of Bst

Merge K Sorted Lists

Diagonal Traverse

Vertical Order Traversal Of A Binary Tree

Kth Missing Positive Number

Container With Most Water

Moving Average From Data Stream

Insert Into A Sorted Circular Linked List

Friends Of Appropriate Ages

3sum

Valid Number

Strobogrammatic Number

Closest Binary Search Tree Value

Random Pick Index

Maximum Swap

Longest Palindromic Substring

Remove Duplicates From Sorted Array

Set Matrix Zeroes

Median Of Two Sorted Arrays

String To Integer Atoi

Palindrome Number

Trapping Rain Water

Maximum Subarray

Word Ladder

Contains Duplicate Ii

Alien Dictionary

Sliding Window Median

Boundary Of Binary Tree

Max Area Of Island

Goat Latin

Interval List Intersections

Regular Expression Matching

Longest Common Prefix

Generate Parentheses

Sort Colors

Subsets

Sliding Window Maximum

Design Tic Tac Toe

Swim In Rising Water

Koko Eating Bananas

3sum Closest

Rotate Image

Best Time To Buy And Sell Stock Ii

Majority Element

Group Shifted Strings

Insert Delete Getrandom O1

Convert Binary Search Tree To Sorted Doubly Linked List

Accounts Merge

Missing Element In Sorted Array

Remove All Adjacent Duplicates In String Ii

Kids With The Greatest Number Of Candies

Remove Element

Group Anagrams

Spiral Matrix

Unique Paths

Populating Next Right Pointers In Each Node

Gas Station

Missing Ranges

Range Sum Query Immutable

Kth Smallest Element In A Sorted Matrix

Longest Repeating Character Replacement

Continuous Subarray Sum

Find K Closest Elements

Find Pivot Index

Capacity To Ship Packages Within D Days

Remove All Adjacent Duplicates In String

Best Time To Buy And Sell Stock Using Strategy

Roman To Integer

Search Insert Position

Jump Game

Plus One

Pascals Triangle

Binary Search Tree Iterator

Rising Temperature

Number Of Islands

Power Of Two

Meeting Rooms Ii

Walls And Gates

Find Median From Data Stream

Sparse Matrix Multiplication

Coin Change

Odd Even Linked List

Decode String

Battleships In A Board

Target Sum

Single Element In A Sorted Array

Managers With At Least 5 Direct Reports

Check Completeness Of A Binary Tree

Unique Number Of Occurrences

Count Unguarded Cells In The Grid

Fruits Into Baskets Ii

Reverse Integer

4sum

Merge Two Sorted Lists

Divide Two Integers

Search In Rotated Sorted Array

Permutations

N Queens

Add Binary

Sqrtx

Climbing Stairs

Largest Rectangle In Histogram

Validate Binary Search Tree

Binary Tree Maximum Path Sum

Word Ladder Ii

Fraction To Recurring Decimal

Rotate Array

Count Primes

Reverse Linked List

Course Schedule Ii

Contains Duplicate

The Skyline Problem

Basic Calculator

Valid Anagram

First Bad Version

Move Zeroes

Longest Increasing Path In A Matrix

Intersection Of Two Arrays

Pacific Atlantic Water Flow

String Compression

Sort Characters By Frequency

Max Consecutive Ones

Construct Binary Tree From String

Can Place Flowers

Merge Two Binary Trees

24 Game

Binary Search

Open The Lock

Peak Index In A Mountain Array

Sort Array By Parity

Minimum Cost For Tickets

Lowest Common Ancestor Of Deepest Leaves

Valid Palindrome Iii

Students And Examinations

Shortest Path In A Grid With Obstacles Elimination

Minimum Time To Collect All Apples In A Tree

Count Good Numbers

Add Two Integers

Minimum Operations To Make The Integer Zero

Count Elements With Maximum Frequency

Valid Sudoku

Sudoku Solver

Length Of Last Word

Rotate List

Word Search

Subsets Ii

Reverse Linked List Ii

Same Tree

Binary Tree Level Order Traversal

Binary Tree Level Order Traversal Ii

Balanced Binary Tree

Flatten Binary Tree To Linked List

Best Time To Buy And Sell Stock Iii

Surrounded Regions

Single Number

Insertion Sort List

Sort List

Intersection Of Two Linked Lists

Two Sum Ii Input Array Is Sorted

Combine Two Tables

Rank Scores

Largest Number

Reverse Bits

Tenth Line

Delete Duplicate Emails

House Robber

Happy Number

Isomorphic Strings

House Robber Ii

Palindrome Linked List

Lowest Common Ancestor Of A Binary Search Tree

Delete Node In A Linked List

Search A 2d Matrix Ii

Missing Number

Expression Add Operators

Find The Duplicate Number

Serialize And Deserialize Binary Tree

Remove Invalid Parentheses

Shortest Distance From All Buildings

Bulb Switcher

Flatten Nested List Iterator

Integer Break

Reverse String

Reverse Vowels Of A String

Remove K Digits

Partition Equal Subset Sum

Validate Ip Address

Next Greater Element I

Contiguous Array

01 Matrix

Game Play Analysis Iv

Next Greater Element Iii

Human Traffic Of Stadium

Friend Requests Ii Who Has The Most Friends

Valid Parenthesis String

Top K Frequent Words

Design Hashmap

Min Cost Climbing Stairs

Toeplitz Matrix

Rabbits In Forest

Letter Case Permutation

Rotate String

Transpose Matrix

Monotonic Array

Sum Of Subarray Minimums

Shortest Bridge

Largest Perimeter Triangle

Squares Of A Sorted Array

Rotting Oranges

Minimum Score Triangulation Of Polygon

Car Pooling

User Activity For The Past 30 Days I

Longest Common Subsequence

Article Views I

Find Words That Can Be Formed By Characters

Monthly Transactions I

Design Skiplist

Average Selling Price

Rank Transform Of An Array

Maximum Points You Can Obtain From Cards

Customer Who Visited But Did Not Make Any Transactions

Average Time Of Process Per Machine

Swapping Nodes In A Linked List

Sum Of Beauty Of All Substrings

Finding Pairs With A Certain Sum

Product Of Two Run Length Encoded Arrays

Minimize Maximum Pair Sum In Array

Remove All Occurrences Of A Substring

Next Greater Numerically Balanced Number

Successful Pairs Of Spells And Potions

Number Of Zero Filled Subarrays

Count The Number Of Infection Sequences

Find The Xor Of Numbers Which Appear Twice

Maximum Frequency Of An Element After Performing Operations I

Make Array Elements Equal To Zero

Check If Digits Are Equal In String After Operations I

Find The Minimum Amount Of Time To Brew Potions

Find Most Frequent Vowel And Consonant

Compute Decimal Representation

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