1-100

('$' means the problem is locked on Leetcode, '*' means the problem is related to Database, '#' means the problem is related to Shell.)

#	Title	Solution	Difficulty
100	Same Tree	41.80%	Easy
99	Recover Binary Search Tree	24.30%	Hard
98	Validate Binary Search Tree	20.60%	Medium
97	Interleaving String	20.80%	Hard
96	Unique Binary Search Trees	36.00%	Medium
95	Unique Binary Search Trees II	28.00%	Medium
94	Binary Tree Inorder Traversal	36.20%	Medium
93	Restore IP Addresses	21.00%	Medium
92	Reverse Linked List II	26.10%	Medium
91	Decode Ways	16.40%	Medium
90	Subsets II	27.70%	Medium
89	Gray Code	32.80%	Medium
88	Merge Sorted Array	29.70%	Easy
87	Scramble String	24.20%	Hard
86	Partition List	27.50%	Medium
85	Maximal Rectangle	22.00%	Hard
84	Largest Rectangle in Histogram	22.60%	Hard
83	Remove Duplicates from Sorted List	34.50%	Easy
82	Remove Duplicates from Sorted List II	25.00%	Medium
81	Search in Rotated Sorted Array II	31.40%	Medium
80	Remove Duplicates from Sorted Array II	30.50%	Medium
79	Word Search	20.30%	Medium
78	Subsets	28.20%	Medium
77	Combinations	30.90%	Medium
76	Minimum Window Substring	18.90%	Hard
75	Sort Colors	32.60%	Medium
74	Search a 2D Matrix	31.60%	Medium
73	Set Matrix Zeroes	31.40%	Medium
72	Edit Distance	26.20%	Hard
71	Simplify Path	20.00%	Medium
70	Climbing Stairs	34.40%	Easy
69	Sqrt(x)	23.10%	Medium
68	Text Justification	14.60%	Hard
67	Add Binary	24.70%	Easy
66	Plus One	30.40%	Easy
65	Valid Number	11.40%	Hard
64	Minimum Path Sum	32.20%	Medium
63	Unique Paths II	28.00%	Medium
62	Unique Paths	32.80%	Medium
61	Rotate List	21.70%	Medium
60	Permutation Sequence	22.80%	Medium
59	Spiral Matrix II	31.80%	Medium
58	Length of Last Word	28.00%	Easy
57	Insert Interval	21.40%	Hard
56	Merge Intervals	22.40%	Hard
55	Jump Game	27.00%	Medium
54	Spiral Matrix	20.80%	Medium
53	Maximum Subarray	34.50%	Medium
52	N-Queens II	35.80%	Hard
51	N-Queens	26.50%	Hard
50	"Pow(x	n)"	26.70%
49	Anagrams	24.30%	Medium
48	Rotate Image	31.90%	Medium
47	Permutations II	25.80%	Hard
46	Permutations	31.90%	Medium
45	Jump Game II	24.20%	Hard
44	Wildcard Matching	15.00%	Hard
43	Multiply Strings	21.00%	Medium
42	Trapping Rain Water	30.00%	Hard
41	First Missing Positive	22.90%	Hard
40	Combination Sum II	25.20%	Medium
39	Combination Sum	27.90%	Medium
38	Count and Say	25.20%	Easy
37	Sudoku Solver	21.80%	Hard
36	Valid Sudoku	27.20%	Easy
35	Search Insert Position	35.40%	Medium
34	Search for a Range	27.50%	Medium
33	Search in Rotated Sorted Array	28.80%	Hard
32	Longest Valid Parentheses	20.90%	Hard
31	Next Permutation	25.00%	Medium
30	Substring with Concatenation of All Words	19.40%	Hard
29	Divide Two Integers	15.00%	Medium
28	Implement strStr()	22.20%	Easy
27	Remove Element	32.10%	Easy
26	Remove Duplicates from Sorted Array	31.30%	Easy
25	Reverse Nodes in k-Group	25.50%	Hard
24	Swap Nodes in Pairs	32.50%	Medium
23	Merge k Sorted Lists	21.10%	Hard
22	Generate Parentheses	32.60%	Medium
21	Merge Two Sorted Lists	32.70%	Easy
20	Valid Parentheses	26.50%	Easy
19	Remove Nth Node From End of List	27.10%	Easy
18	4Sum	21.70%	Medium
17	Letter Combinations of a Phone Number	25.80%	Medium
16	3Sum Closest	26.90%	Medium
15	3Sum	16.90%	Medium
14	Longest Common Prefix	25.50%	Easy
13	Roman to Integer	34.00%	Easy
12	Integer to Roman	33.80%	Medium
11	Container With Most Water	32.00%	Medium
10	Regular Expression Matching	20.70%	Hard
9	Palindrome Number	28.30%	Easy
8	String to Integer (atoi)	13.00%	Easy
7	Reverse Integer	25.10%	Easy
6	ZigZag Conversion	21.80%	Easy
5	Longest Palindromic Substring	20.70%	Medium
4	Median of Two Sorted Arrays	17.40%	Hard
3	Longest Substring Without Repeating Characters	20.60%	Medium
2	Add Two Numbers	21.10%	Medium
1	Two Sum	17.70%	Medium