First, the array
11. Sheng most water containers
26. Delete duplicates sort array
Second, the list
24. twenty-two switching node in the linked list
142. The circular linked list II
21. The combined two ordered lists
Third, stacks and queues
The largest rectangle 84. Histogram
239. The sliding window maximum
Fourth, the hash table
242. Effective ectopic letter word
49. The letter ectopic grouping words
Fifth, tree, binary tree, binary search trees
144. The binary tree preorder traversal
After 590. N-tree traversal order
589. N preorder traversal of the tree
Sequence-tree traversal 429. N
Sixth, divide and conquer, backtracking
The maximum depth 104. Binary Tree
111. The minimum depth of a binary tree
297. binary serialization and deserialization
236. Binary Tree recent common ancestor
105. previous order and a binary tree configuration sequence preorder
17. The combination of the telephone number of letters
Seven, DFS, BFS
102. The binary tree hierarchy traversal
515. find the maximum value in each tree row
Eight, greedy algorithm
122. The best time to trade stocks II
Nine, binary search
367. Effective perfect squares
33. Search rotation sorted array
74. The two-dimensional matrix search
153. Find the minimum value in sorted array rotation
Ten, DP
And a minimum path 120. The triangular
53. The maximum and subsequence
152. The product of the maximum sequence
121. The best time to stock trading
122. The best time to trade stocks II
III 123. the best time to buy and sell stocks
309. The best time to buy and sell shares with the freezing of
188. The best time to buy and sell stocks IV
714. The best time to buy and sell stocks with fee
32. The maximum validity brackets
363. The rectangular area is not more than the maximum value K, and
410. The maximum value of a striped array
552. Student attendance records II
300. The rise longest sequence
XI dictionaries trees and disjoint-set
208. realize Trie (Prefix Tree)
130. The area is surrounded by
Twelve, pruning, two-way BFS
1091. Binary shortest path matrix
XIII-bit computing
Fourteen, LRU
Fifth, the string-related
387. The first string a unique character
8. string conversion integer (atoi)
557. The inverted word in a string III
242. Effective ectopic letter word
49. The letter ectopic grouping words
438. ectopic find all the letters in the word string
125. Verify palindromic sequence
680. Ⅱ authentication string palindrome
The longest substring palindromic
1143. longest common subsequence
10. The regular expression match
680. Ⅱ authentication string palindrome
32. The maximum validity brackets
XVI sorting algorithm
Reference to the previous blog: https: //blog.csdn.net/qq_40378034/article/details/102881220
