LeetCode Memo

Go and See.

1st Round

Day1

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2018-03-23, Sunny. 7 Problems Finished.

No	Title	Difficulty
1	Two Sum	Easy
7	Reverse Integer	Easy
9	Palindrome Number	Easy
13	Roman to Integer	Easy
14	Longest Common Prefix	Easy
39	Combination Sum(DFS)	Medium
593	Valid Square	Medium

Day2

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2018-03-24, Wild. 10 Problems Finished.

No	Title	Difficulty
8	String To Integer(atoi)	Meidum
21	Merge Two Sorted Lists	Easy
23	Merge K Sorted Lists	hard
26	Remove Duplicates From Sorted Array	Easy
27	Remove Element	Easy
28	Implement strStr	Easy
80	Remove Duplicates From Sorted Array(2)	Medium
88	Merge Sorted Array	Easy
168	Excel Sheet Column Title	Easy
171	Exvel Sheet Column Number	Easy

some tip: trick_sync_with_stdio.cc

Day3

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2018-03-26, Hot. 15 Problems Finished.

No	Title	Difficulty
2	Add Two Numbers	Medium
34	Search For A Range	Medium
35	Search Insert Position	Easy
38	Count And Say	Easy
50	Pow	Medium
53	Maximum SubArray	Easy
58	Length Of Last Word	Easy
64	Minimum Path Sum	Medium
66	Plus One	Easy
67	Add Binary	Easy
69	Sqrt	Easy
70	Climbing Stairs	Easy
112	Path Sum	Easy
113	Path Sum(2)	Medium
120	Triangle	Medium

Day4

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2018-03-27, Hot. 8 Problems Finished.

No	Title	Difficulty
83	Remove Duplicates From Sorted List	Easy
94	Binary Tree Inorder Traversal	Medium
144	Binary Tree Preorder Traversal	Medium
145	Binary Tree Postorder Traversal	Hard
102	Binary Tree Level Order Traversal	Medium
107	Binary Tree Level Order Traversal(2)	Easy
100	Same Tree	Easy
101	SymmetricTree	Easy

Day5

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2018-03-28, Too Hot. 8 Problems Finished.

No	Title	Difficulty
11	Container With Most Water	Medium
62	Unique Path	Medium
104	Maximum Depth Of Binary Tree	Easy
110	Balanced Binary Tree	Easy
111	Minimum Depth Of Binary Tree	Easy
114	Flatten Binary Tree To LinkedList	Medium
118	Pascal Triangle	Easy
617	Merge Two Binary Trees	Easy

Day6

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2018-04-01, Wild. 11 Problems Finished.

No	Title	Difficulty
15	3 Sum	Medium
16	3 Sum Closest	Medium
18	4 Sum	Medium
24	Swap Nodes In Pairs	Medium
25	Reverse Nodes In K-Group	Hard
61	Rotate List	Medium
86	Partition List	Medium
92	Reverse Linked List(2)	Medium
147	Insertion Sort List	Medium
148	Sort List	Medium
206	Reverse Linked List	Easy

Day7

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2018-04-02, Wild. 12 Problems Finished.

No	Title	Difficulty
121	Best Time To Buy And Sell Stock	Easy
122	Best Time To Buy And Sell Stock(2)	Easy
123	Best Time To Buy And Sell Stock(3)	Hard
125	Valid Palindrome	Easy
136	Single Number	Easy
137	SingleNumber2	Medium
141	Linked List Cycle	Easy
142	Linked List Cycle(2)	Medium
155	Min Stack	Easy
159	Majority Element	Easy
160	Intersection Of Two Linked List	Easy
172	Factorial Trailing Zeroes	Easy

Day8

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2018-04-03, Cool. 6 Problems Finished.

No	Title	Difficulty
189	Rotate Array	Easy
190	Reverse Bits	Easy
191	Number Of One Bits	Easy
198	House Robber	Easy
213	House Robber(2)	Medium
231	Power Of Two	Easy

Day9

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2018-04-09, Sunny. 14 Problems Finished.

No	Title	Difficulty
3	Longest Substring Without Repeating Characters	Medium
5	Longest Palindromic Substring	Medium
6	Zigzag Conversion	Medium
17	Letter Combination Of A Phone Number	Medium
19	Remove Nth Node From End of List	Medium
22	Generate Parentheses	Medium
29	Divide Two Integers	Medium
31	Next Permutation	Medium
103	Binary Tree Zigzag Level Order Traversal	Medium
116	Populating Next Right Pointers In Each Node	Medium
117	Populating Next Right Pointers In Each Node(2)	Medium
192	Word Frequecy	Medium
215	Kth Largest Element In An Array	Medium
347	Top K Frequent Elements	Medium

Day10

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2018-04-10, Hot. 6 Problems Finished.

No	Title	Difficulty
10	Regular Expression Matching	Hard
44	Wildcard Matching	Hard
371	Sum Of Two Integers	Easy
434	Number Of Segments In A String	Easy
459	Repeated Substring Pattern	Easy
686	Repeated String Match	Easy