Microsoft

You have solved 67/ 84 problems.

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	#	Title	Acceptance	Difficulty	Frequency
	206	Reverse Linked List	43.9%	Easy
	419	Battleships in a Board	60.4%	Medium
	138	Copy List with Random Pointer	26.6%	Medium
	273	Integer to English Words	21.3%	Hard
	445	Add Two Numbers II	45.9%	Medium
	348	Design Tic-Tac-Toe	45.3%	Medium
	54	Spiral Matrix	24.8%	Medium
	171	Excel Sheet Column Number	45.6%	Easy
	235	Lowest Common Ancestor of a Binary Search Tree	38.3%	Easy
	200	Number of Islands	32.8%	Medium
	88	Merge Sorted Array	31.5%	Easy
	236	Lowest Common Ancestor of a Binary Tree	29.4%	Medium
	268	Missing Number	43.8%	Easy
	48	Rotate Image	37.4%	Medium
	186	Reverse Words in a String II	28.1%	Medium
	1	Two Sum	30.9%	Easy
	53	Maximum Subarray	39.0%	Easy
	218	The Skyline Problem	25.9%	Hard
	151	Reverse Words in a String	15.7%	Medium
	103	Binary Tree Zigzag Level Order Traversal	32.7%	Medium
	116	Populating Next Right Pointers in Each Node	36.9%	Medium
	75	Sort Colors	36.9%	Medium
	73	Set Matrix Zeroes	35.3%	Medium
	238	Product of Array Except Self	47.5%	Medium
	297	Serialize and Deserialize Binary Tree	32.1%	Hard
	237	Delete Node in a Linked List	45.6%	Easy
	121	Best Time to Buy and Sell Stock	39.6%	Easy
	141	Linked List Cycle	35.7%	Easy
	13	Roman to Integer	44.0%	Easy
	168	Excel Sheet Column Title	24.8%	Easy
	20	Valid Parentheses	32.4%	Easy
	98	Validate Binary Search Tree	22.5%	Medium
	117	Populating Next Right Pointers in Each Node II	33.6%	Medium
	21	Merge Two Sorted Lists	38.2%	Easy
	2	Add Two Numbers	26.6%	Medium
	8	String to Integer (atoi)	13.9%	Medium
	174	Dungeon Game	23.0%	Hard
	146	LRU Cache	16.3%	Hard
	212	Word Search II	22.5%	Hard
	208	Implement Trie (Prefix Tree)	26.1%	Medium
	33	Search in Rotated Sorted Array	32.1%	Medium
	232	Implement Queue using Stacks	35.3%	Easy
	153	Find Minimum in Rotated Sorted Array	38.9%	Medium
	24	Swap Nodes in Pairs	37.3%	Medium
	191	Number of 1 Bits	38.7%	Easy
	4	Median of Two Sorted Arrays	21.0%	Hard
	160	Intersection of Two Linked Lists	30.1%	Easy
	26	Remove Duplicates from Sorted Array	35.4%	Easy
	215	Kth Largest Element in an Array	37.9%	Medium
	102	Binary Tree Level Order Traversal	37.5%	Medium
	189	Rotate Array	23.7%	Easy
	71	Simplify Path	24.3%	Medium
	5	Longest Palindromic Substring	24.8%	Medium
	106	Construct Binary Tree from Inorder and Postorder Traversal	31.2%	Medium
	204	Count Primes	26.2%	Easy
	173	Binary Search Tree Iterator	39.5%	Medium
	387	First Unique Character in a String	45.7%	Easy
	15	3Sum	21.1%	Medium
	25	Reverse Nodes in k-Group	29.9%	Hard
	285	Inorder Successor in BST	36.2%	Medium
	270	Closest Binary Search Tree Value	38.4%	Easy
	23	Merge k Sorted Lists	26.2%	Hard
	79	Word Search	25.6%	Medium
	46	Permutations	41.0%	Medium
	94	Binary Tree Inorder Traversal	44.3%	Medium
	258	Add Digits	50.4%	Easy
	101	Symmetric Tree	37.3%	Easy
	91	Decode Ways	19.0%	Medium
	28	Implement strStr()	27.2%	Easy
	165	Compare Version Numbers	19.4%	Medium
	162	Find Peak Element	36.1%	Medium
	300	Longest Increasing Subsequence	37.5%	Medium
	124	Binary Tree Maximum Path Sum	25.2%	Hard
	125	Valid Palindrome	25.6%	Easy
	56	Merge Intervals	28.8%	Medium
	112	Path Sum	33.1%	Easy
	114	Flatten Binary Tree to Linked List	33.8%	Medium
	47	Permutations II	31.3%	Medium
	55	Jump Game	29.2%	Medium
	365	Water and Jug Problem	26.4%	Medium
	333	Largest BST Subtree	29.9%	Medium
	213	House Robber II	33.3%	Medium
	513	Find Bottom Left Tree Value	54.0%	Medium
	452	Minimum Number of Arrows to Burst Balloons	42.6%	Medium