學習筆記之LeetCode

LeetCode Online Judge

• https://leetcode.com/

Topics tagged under "amazon" | LeetCode Discuss

• https://leetcode.com/discuss/interview-question/?currentPage=1&orderBy=hot&query=

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kamyu104/LeetCode-Solutions

• https://github.com/kamyu104/LeetCode-Solutions

Leetcode：在線編程網站－各大IT公司的筆試面試題

• https://blog.csdn.net/huixingshao/article/details/43669987

Leetcode problems classified by company | Learn for Master

• http://www.learn4master.com/interview-questions/leetcode/leetcode-problems-classified-by-company

LeetCode最新題庫 按公司分類（2017年11月12日）【一畝三分地論壇刷題版】 - Powered by Discuz!

• https://www.1point3acres.com/bbs/thread-303841-1-1.html

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Algorithms

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Array

#	Title	Solution	Time	Space	Difficulty	Note
0015	Leetcode 15. 3Sum	Python			Medium
0026	LeetCode 26. Remove Duplicates from Sorted Array	C++			Easy
0073	Leetcode 73. Set Matrix Zeroes	Python			Medium
0334	Leetcode 334. Increasing Triplet Subsequence	Python			Medium

Strings 

#	Title	Solution	Time	Space	Difficulty	Note
0003	Leetcode 3. Longest Substring Without Repeating Characters	Python			Medium
0005	LeetCode 5. Longest Palindromic Substring	C++ / Python			Medium
0007	LeetCode 7. Reverse Integer	C++			Easy
0008	LeetCode 8. String to Integer (atoi)	C++			Easy
0014	LeetCode 14. Longest Common Prefix	C++			Easy
0028	LeetCode 28. Implement strStr()	C++			Easy
0038	LeetCode 38. Count and Say	C++			Easy
0049	LeetCode 49. Group Anagrams	C++			Medium
0125	LeetCode 125. Valid Palindrome	C++			Easy
0242	LeetCode 242. Valid Anagram	C++			Easy
0344	LeetCode 344. Reverse String	C++			Easy
0387	LeetCode 387. First Unique Character in a String	C++			Easy

Linked List

#	Title	Solution	Time	Space	Difficulty	Note
0002	Leetcode 2. Add Two Numbers	Python			Medium
0160	Leetcode 160. Intersection of Two Linked Lists	Python			Easy
0328	Leetcode 328. Odd Even Linked List	Python			Medium

Trees and Graphs

#	Title	Solution	Time	Space	Difficulty	Note
0094	Leetcode 94. Binary Tree Inorder Traversal	Python			Medium
0103	Leetcode 103. Binary Tree Zigzag Level Order Traversal	Python			Medium
0105	Leetcode 105. Construct Binary Tree from Preorder and Inorder Traversal	Python			Medium
0116	Leetcode 116. Populating Next Right Pointers in Each Node	Python			Medium
0200	Leetcode 200. Number of Islands	Python			Medium
0230	Leetcode 230. Kth Smallest Element in a BST	Python			Medium

Backtracking

#	Title	Solution	Time	Space	Difficulty	Note
0017	LeetCode 17. Letter Combinations of a Phone Number	C++ / Python			Medium
0022	Leetcode 22. Generate Parentheses	Python			Medium
0046	Leetcode 46. Permutations	Python			Medium
0078	Leetcode 78. Subsets	Python			Medium
0079	Leetcode 79. Word Search	Python			Medium

Sorting and Searching

#	Title	Solution	Time	Space	Difficulty	Note
0033	Leetcode 33. Search in Rotated Sorted Array	Python			Medium
0034	Leetcode 34. Find First and Last Position of Element in Sorted Array	Python			Medium
0056	Leetcode 56. Merge Intervals	Python			Medium
0075	Leetcode 75. Sort Colors	Python			Medium
0162	Leetcode 162. Find Peak Element	Python			Medium
0215	LeetCode 215. Kth Largest Element in an Array	Python			Medium
0240	Leetcode 240. Search a 2D Matrix II	Python			Medium
0347	LeetCode 347. Top K Frequent Elements	Python			Medium

Dynamic Programming

#	Title	Solution	Time	Space	Difficulty	Note
0055	LeetCode 55. Jump Game	Python			Medium
0062	Leetcode 62. Unique Paths	Python			Medium
0322	Leetcode 322. Coin Change	Python			Medium
0300	Leetcode 300. Longest Increasing Subsequence	Python			Medium

Design

#	Title	Solution	Time	Space	Difficulty	Note
0297	Leetcode 297. Serialize and Deserialize Binary Tree	Python			Medium

Math

#	Title	Solution	Time	Space	Difficulty	Note
0026	LeetCode 26. Remove Duplicates from Sorted Array	C++			Easy

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Database

#	Title	Solution	Time	Space	Difficulty	Note
0175	LeetCode 175. Combine Two Tables	SQL
0176	LeetCode 176. Second Highest Salary	SQL
0177	LeetCode 177. Nth Highest Salary	SQL