Amazon Most Frequent in 30 Days

Two Sum
Longest Substring Without Repeating Characters
Best Time to Buy and Sell Stock
LRU Cache
Number of Islands
Reorganize String
Trapping Rain Water
Group Anagrams
Course Schedule II
Add Two Numbers
Word Search
Median of Two Sorted Arrays
Maximum Subarray
Koko Eating Bananas
Longest Palindromic Substring
Generate Parentheses
Palindrome Number
Roman to Integer
Subarray Sum Equals K
Next Permutation
3Sum
Copy List with Random Pointer
Longest Common Prefix
Merge Two Sorted Lists
Valid Parentheses
Longest Consecutive Sequence
Rotate Array
Happy Number
Binary Tree Level Order Traversal
Largest Number
Find the Number of Ways to Place People I
Climbing Stairs
Remove Element
Serialize and Deserialize Binary Tree
Flood Fill
Count Subarrays With Median K
Word Search II
Scramble String
Populating Next Right Pointers in Each Node
Insert Delete GetRandom O(1)
Word Ladder
Find Peak Element
Last Stone Weight
Minimum Number of People to Teach
Pascal’s Triangle
Find First and Last Position of Element in Sorted Array
Peak Index in a Mountain Array
Rotting Oranges
Longest Harmonious Subsequence
Vowel Spellchecker
Majority Element II
Maximum Depth of Binary Tree
Largest Divisible Subset
Frequency of the Most Frequent Element
Find Median from Data Stream
First Missing Positive
Combine Two Tables
Design Task Manager
Diameter of Binary Tree
Valid Sudoku
Is Subsequence
Sort Colors
Letter Combinations of a Phone Number
Merge k Sorted Lists
Contains Duplicate
Count Elements With Maximum Frequency
Unique Paths
Longest Palindromic Subsequence
Simplify Path
Delete Nodes From Linked List Present in Array
Binary Tree Inorder Traversal
Ransom Note
Design Circular Queue
Fraction to Recurring Decimal
Majority Element
Split Array Largest Sum
Valid Triangle Number
Fizz Buzz
Course Schedule
Delete Duplicate Emails
Furthest Building You Can Reach
Number of Operations to Make Network Connected
Rotate String
N-Queens
Find Triangular Sum of an Array
Next Greater Element II
Search a 2D Matrix
Meeting Rooms II
Water Bottles II
Largest Triangle Area
Plus One
String to Integer (atoi)
Repeated Substring Pattern
Evaluate Division
String Compression
Trapping Rain Water II
Min Stack
Single Element in a Sorted Array
Next Greater Element I
Container With Most Water
Confirmation Rate
Pacific Atlantic Water Flow
Range Sum Query – Immutable
Linked List Cycle II
Jewels and Stones