Amazon tag 60

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	[url=]#[/url]	[url=]Title[/url]	[url=]Acceptance[/url]	[url=]Difficulty[/url]	[url=]Frequency[/url]
	146	LRU Cache	16.6%	Hard
	1	Two Sum	31.4%	Easy
	297	Serialize and Deserialize Binary Tree	32.4%	Hard
	200	Number of Islands	33.0%	Medium
	460	LFU Cache	21.5%	Hard
	20	Valid Parentheses	32.6%	Easy
	138	Copy List with Random Pointer	26.6%	Medium
	438	Find All Anagrams in a String	33.4%	Easy
	236	Lowest Common Ancestor of a Binary Tree	29.5%	Medium
	48	Rotate Image	37.6%	Medium
	238	Product of Array Except Self	47.8%	Medium
	5	Longest Palindromic Substring	24.9%	Medium
	121	Best Time to Buy and Sell Stock	39.8%	Easy
	239	Sliding Window Maximum	31.9%	Hard
	380	Insert Delete GetRandom O(1)	38.7%	Medium
	17	Letter Combinations of a Phone Number	33.1%	Medium
	206	Reverse Linked List	44.2%	Easy
	387	First Unique Character in a String	46.0%	Easy
	235	Lowest Common Ancestor of a Binary Search Tree	38.4%	Easy
	240	Search a 2D Matrix II	37.9%	Medium
	127	Word Ladder	19.2%	Medium
	42	Trapping Rain Water	35.8%	Hard
	155	Min Stack	27.0%	Easy
	49	Group Anagrams	32.7%	Medium
	160	Intersection of Two Linked Lists	30.2%	Easy
	141	Linked List Cycle	35.6%	Easy
	2	Add Two Numbers	26.8%	Medium
	242	Valid Anagram	45.3%	Easy
	215	Kth Largest Element in an Array	38.1%	Medium
	139	Word Break	28.8%	Medium
	234	Palindrome Linked List	31.9%	Easy
	126	Word Ladder II	13.7%	Hard
	98	Validate Binary Search Tree	22.6%	Medium
	23	Merge k Sorted Lists	26.4%	Hard
	3	Longest Substring Without Repeating Characters	23.9%	Medium
	167	Two Sum II - Input array is sorted	47.7%	Easy
	449	Serialize and Deserialize BST	41.5%	Medium
	21	Merge Two Sorted Lists	38.3%	Easy
	15	3Sum	21.3%	Medium
	186	Reverse Words in a String II	27.9%	Medium
	78	Subsets	37.8%	Medium
	102	Binary Tree Level Order Traversal	37.8%	Medium
	414	Third Maximum Number	27.0%	Easy
	73	Set Matrix Zeroes	35.4%	Medium
	89	Gray Code	39.9%	Medium
	8	String to Integer (atoi)	13.9%	Medium
	355	Design Twitter	25.0%	Medium
	204	Count Primes	26.2%	Easy
	199	Binary Tree Right Side View	39.4%	Medium
	119	Pascal's Triangle II	35.6%	Easy
	534	Design TinyURL	0.0%	Medium
	451	Sort Characters By Frequency	50.1%	Medium
	459	Repeated Substring Pattern	38.7%	Easy
	508	Most Frequent Subtree Sum	51.8%	Medium
	516	Longest Palindromic Subsequence	42.0%	Medium
	396	Rotate Function	30.9%	Medium
	517	Super Washing Machines	34.8%	Hard
	529	Minesweeper	51.8%	Medium
	532	K-diff Pairs in an Array	25.3%	Easy
	535	Encode and Decode TinyURL	77.5%	Medium