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You have solved 70/ 89 problems.

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	#	Title	Acceptance	Difficulty	Frequency
	283	Move Zeroes	48.2%	Easy
	325	Maximum Size Subarray Sum Equals k	41.8%	Medium
	301	Remove Invalid Parentheses	34.8%	Hard
	311	Sparse Matrix Multiplication	50.8%	Medium
	314	Binary Tree Vertical Order Traversal	36.0%	Medium
	67	Add Binary	30.9%	Easy
	273	Integer to English Words	21.3%	Hard
	278	First Bad Version	24.5%	Easy
	17	Letter Combinations of a Phone Number	32.9%	Medium
	253	Meeting Rooms II	38.5%	Medium
	91	Decode Ways	19.0%	Medium
	10	Regular Expression Matching	23.7%	Hard
	15	3Sum	21.1%	Medium
	277	Find the Celebrity	35.4%	Medium
	158	Read N Characters Given Read4 II - Call multiple times	24.4%	Hard
	297	Serialize and Deserialize Binary Tree	32.1%	Hard
	200	Number of Islands	32.8%	Medium
	282	Expression Add Operators	28.8%	Hard
	76	Minimum Window Substring	24.1%	Hard
	257	Binary Tree Paths	35.7%	Easy
	161	One Edit Distance	30.7%	Medium
	157	Read N Characters Given Read4	29.2%	Easy
	23	Merge k Sorted Lists	26.2%	Hard
	285	Inorder Successor in BST	36.2%	Medium
	211	Add and Search Word - Data structure design	20.6%	Medium
	341	Flatten Nested List Iterator	39.3%	Medium
	56	Merge Intervals	28.8%	Medium
	121	Best Time to Buy and Sell Stock	39.6%	Easy
	1	Two Sum	30.9%	Easy
	139	Word Break	28.6%	Medium
	173	Binary Search Tree Iterator	39.5%	Medium
	125	Valid Palindrome	25.6%	Easy
	75	Sort Colors	36.9%	Medium
	98	Validate Binary Search Tree	22.5%	Medium
	78	Subsets	37.4%	Medium
	206	Reverse Linked List	43.9%	Easy
	43	Multiply Strings	26.1%	Medium
	252	Meeting Rooms	45.9%	Easy
	133	Clone Graph	25.0%	Medium
	236	Lowest Common Ancestor of a Binary Tree	29.4%	Medium
	218	The Skyline Problem	25.9%	Hard
	49	Group Anagrams	32.4%	Medium
	238	Product of Array Except Self	47.5%	Medium
	79	Word Search	25.6%	Medium
	215	Kth Largest Element in an Array	37.9%	Medium
	38	Count and Say	32.9%	Easy
	209	Minimum Size Subarray Sum	29.1%	Medium
	57	Insert Interval	26.6%	Hard
	494	Target Sum	44.4%	Medium
	380	Insert Delete GetRandom O(1)	38.6%	Medium
	13	Roman to Integer	44.0%	Easy
	71	Simplify Path	24.3%	Medium
	146	LRU Cache	16.3%	Hard
	208	Implement Trie (Prefix Tree)	26.1%	Medium
	33	Search in Rotated Sorted Array	32.1%	Medium
	377	Combination Sum IV	41.5%	Medium
	90	Subsets II	34.3%	Medium
	44	Wildcard Matching	19.2%	Hard
	128	Longest Consecutive Sequence	35.6%	Hard
	88	Merge Sorted Array	31.5%	Easy
	102	Binary Tree Level Order Traversal	37.5%	Medium
	28	Implement strStr()	27.2%	Easy
	334	Increasing Triplet Subsequence	38.1%	Medium
	398	Random Pick Index	40.8%	Medium
	50	Pow(x, n)	26.9%	Medium
	127	Word Ladder	19.2%	Medium
	269	Alien Dictionary	22.0%	Hard
	20	Valid Parentheses	32.4%	Easy
	286	Walls and Gates	42.9%	Medium
	235	Lowest Common Ancestor of a Binary Search Tree	38.3%	Easy
	69	Sqrt(x)	27.1%	Easy
	117	Populating Next Right Pointers in Each Node II	33.6%	Medium
	68	Text Justification	18.3%	Hard
	221	Maximal Square	27.4%	Medium
	274	H-Index	32.3%	Medium
	85	Maximal Rectangle	26.4%	Hard
	210	Course Schedule II	26.1%	Medium
	234	Palindrome Linked List	31.8%	Easy
	25	Reverse Nodes in k-Group	29.9%	Hard
	275	H-Index II	33.7%	Medium
	26	Remove Duplicates from Sorted Array	35.4%	Easy
	477	Total Hamming Distance	45.8%	Medium
	265	Paint House II	37.4%	Hard
	261	Graph Valid Tree	36.9%	Medium
	404	Sum of Left Leaves	46.0%	Easy
	410	Split Array Largest Sum	33.6%	Hard
	80	Remove Duplicates from Sorted Array II	35.1%	Medium
	461	Hamming Distance	71.0%	Easy
	168	Excel Sheet Column Title	24.8%	Easy