强行刷题转码【刷题日·更】

(12/29)
54. Spiral Matrix
55. Jump Game
58. Length of Last Word
62. Unique Paths
64. Minimum Path Sum
66. Plus One
69. Sqrt(x)
100. Same Tree

(01/02)
226. Invert Binary Tree

（01/03）
94. Binary Tree Inorder Traversal
236. Lowest Common Ancestor of a Binary Tree
98. Validate Binary Search Tree
104. Maximum Depth of Binary Tree
102. Binary Tree Level Order Traversal
101. Symmetric Tree
110. Balanced Binary Tree

(01/04)
67 add binary
78 subsets
136 single number
141 LinkedList cycle
118 pascal's triangle
83 remove duplicates from sorted list
112 path sum
110 balanced binary tree
111 minimum depth of binary tree
108 convert sorted array to binary search tree

(01/05)
103 binary tree zigzag level order traversal
107 binary tree level order traversal ii
108 convert sorted array to binary search tree
这些题还有一些疑问要继续研究

(01/06)
108. Convert Sorted Array to Binary Search Tree

MIT 6.006
L5 (Binary search trees, BST sort)
L6 (AVL trees, AVL sort)

(01/08)
56 merge intervals
57 insert interval
59 spiral matrix ii
61 rotate list
71 simplify path

(1/10)
63 unique path ii
67 add binary
73 set matrix zeros
74 search a 2d matrix
77 combinations
80 remove duplicate from sorted array ii
81 search in rotated sorted array ii
82 remove dupicates

(1/10)
two sum / three sum / four sum
(1/11)
enum
Anonymous class
Lambda expression  
Functional interface

关注，请问不学课程怎么刷？建议先学基础再刷吗？我刚自学一个月，尝试看题，都不会。。。