LeetCode-Swift

	Main Features
💯	All the solutions have been accepted by the judge of LeetCode.com
🎯	Each playground comes with a suite of unit tests.
🐥	Written in Swift 4.2
💎	Follow Google's Swift Style Guide
🔍	⌘ + F to search problem name or problam # in README

Problems & Solutions

#	Problem	Solution	Approach
1	Two Sum	Solution	Dictionary
2	Add Two Numbers	Solution	Elementary math
3	Longest Substring Without Repeating Characters	Solution	Sliding Window with Dictionary
4	Median of Two Sorted Arrays	Solution	Recursive & Binary search
5	Longest Palindromic Substring	Solution	Manacher’s algorithm
6	ZigZag Conversion	Solution	Visit by Row
7	Reverse Integer	Solution	Pop and Push Digits
8	String to Integer (atoi)	Solution	Iteration
9	Palindrome Number	Solution	Revert half of the number
10	Regular Expression Matching	Solution	Dynamic Programming
11	Container With Most Water	Solution	Two Pointers
12	Integer to Roman	Solution	Iteration
13	Roman to Integer	Solution	Iteration
14	Longest Common Prefix	Solution	Vertical scanning
15	Three Sum	Solution	Two Pointers
16	Three Sum Closest	Solution	Two Pointers
17	Letter Combinations of a Phone Number	Solution	Backtracking
18	Four Sum	Solution	Two Pointers
19	Remove Nth Node From End of List *	Solution	Two Pointers
20	Valid Parentheses	Solution	Stack
21	Merge Two Sorted Lists	Solution	Iteration
22	Generate Parentheses	Solution	Backtracking
23	Merge k Sorted Lists	Solution	Divide And Conquer
24	Swap Nodes in Pairs	Solution	Iteration
25	Reverse Nodes in k-Group *	Solution	Two Pointers
26	Remove Duplicates from Sorted Array	Solution	Two Pointers
27	Remove Element	Solution	Two Pointers
28	Implement strStr()	Solution	String
29	Divide Two Integers	Solution	String