LeetCode

Solutions for https://leetcode.com/

Algorithm

#	Title	Solution	Difficulty	Related Topics
1	Two Sum	java javascript	Easy	Array Hash Table
7	Reverse Integer	java	Easy	Math
9	Palindrome Number	java	Easy	Math
13	Roman to Integer	java	Easy	Math String
14	Longest Common Prefix	java	Easy	String
20	valid Parentheses	java	Easy	Stack String
21	Merge Two Sorted Lists	java	Easy	Linked List
26	Remove Duplicates from Sorted Array	java	Easy	Array Two Pointers
27	Remove Element	java	Easy	Array Two Pointers
28	Implement strStr()	java	Easy	String Two Pointers
35	Search Insert Position	java	Easy	Array Binary Search
38	Count and Say	java	Easy	String
58	Length of Last Word	java	Easy	String
66	Plus One	java	Easy	Array
67	Add Binary	java	Easy	Math String
69	Sqrt(x)	java	Easy	Math Binary Search

Database

#	Title	Solution	Difficulty
175	Combine Two Tables	mysql	Easy
176	Second Highest Salary	mysql	Easy
177	Nth Highest Salary	mysql	Medium
178	Rank Scores	mysql	Medium
180	Consecutive Numbers	mysql	Medium
181	Employees Earning More Than Their Managers	mysql	Easy
182	Duplicate Emails	mysql	Easy
183	Customers Who Never Order	mysql	Easy
184	Department Highest Salary	mysql	Medium
196	Delete Duplicate Emails	mysql	Easy
197	Rising Temperature	mysql	Easy
595	Big Countries	mysql	Easy
596	Classes More Than 5 Students	mysql	Easy