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Amazon
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3Sum
MEDIUM
Merge Intervals
MEDIUM
Majority Element
EASY
Group Anagrams
MEDIUM
Sort Colors
MEDIUM
Top K Frequent Elements
MEDIUM
Kth Largest Element in an Array
MEDIUM
Merge Sorted Array
EASY
Missing Number
EASY
Valid Anagram
EASY
Find Median from Data Stream
HARD
4Sum
MEDIUM
Task Scheduler
MEDIUM
3Sum Closest
MEDIUM
Kth Smallest Element in a Sorted Matrix
MEDIUM
Squares of a Sorted Array
EASY
Largest Number
MEDIUM
Reorganize String
MEDIUM
K Closest Points to Origin
MEDIUM
Sort Characters By Frequency
MEDIUM
Non-overlapping Intervals
MEDIUM
Vertical Order Traversal of a Binary Tree
HARD
Shortest Unsorted Continuous Subarray
MEDIUM
Intersection of Two Arrays II
EASY
Top K Frequent Words
MEDIUM
Meeting Rooms II
MEDIUM
Accounts Merge
MEDIUM
Maximum Profit in Job Scheduling
HARD
Intersection of Two Arrays
EASY
Russian Doll Envelopes
HARD
Largest Divisible Subset
MEDIUM
How Many Numbers Are Smaller Than the Current Number
EASY
Find the Difference
EASY
Minimum Deletions to Make Character Frequencies Unique
MEDIUM
Set Mismatch
EASY
Search Suggestions System
MEDIUM
Maximum Length of Pair Chain
MEDIUM
Maximum Product of Three Numbers
EASY
The K Weakest Rows in a Matrix
EASY
Assign Cookies
EASY
Smallest Range Covering Elements from K Lists
HARD
K-diff Pairs in an Array
MEDIUM
IPO
HARD
Maximum Units on a Truck
EASY
Find K-th Smallest Pair Distance
HARD
Reveal Cards In Increasing Order
MEDIUM
Sort Array by Increasing Frequency
EASY
Maximum Gap
MEDIUM
Binary Tree Vertical Order Traversal
MEDIUM
Relative Sort Array
EASY
Maximum Performance of a Team
HARD
Wiggle Sort II
MEDIUM
All Elements in Two Binary Search Trees
MEDIUM
Sort Array By Parity II
EASY
Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts
MEDIUM
Most Profit Assigning Work
MEDIUM
Least Number of Unique Integers after K Removals
MEDIUM
Rank Transform of an Array
EASY
Remove Covered Intervals
MEDIUM
Average Salary Excluding the Minimum and Maximum Salary
EASY
Can Make Arithmetic Progression From Sequence
EASY
Reorder Data in Log Files
MEDIUM
Design Search Autocomplete System
HARD
Maximum Number of Events That Can Be Attended II
HARD
Meeting Rooms
EASY
Minimum Area Rectangle
MEDIUM
Employee Free Time
HARD
Number of Atoms
HARD
Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree
HARD
Orderly Queue
HARD
Maximize Sum Of Array After K Negations
EASY
Design In-Memory File System
HARD
Best Meeting Point
HARD
Two Sum Less Than K
EASY
Sell Diminishing-Valued Colored Balls
MEDIUM
Campus Bikes
MEDIUM
Meeting Scheduler
MEDIUM
Rearrange Words in a Sentence
MEDIUM
Maximum Number of Visible Points
HARD
Analyze User Website Visit Pattern
MEDIUM
Get Watched Videos by Your Friends
MEDIUM
Index Pairs of a String
EASY
Largest Unique Number
EASY
Filter Restaurants by Vegan-Friendly, Price and Distance
MEDIUM
Sort Features by Popularity
MEDIUM