LeetCode

LeetCode Algorithms

(Notes: "♥" means you need buy a book from Leetcode)

#	Title	Solution	Difficulty
563	Binary Tree Tilt	JavaScript	Easy
561	Array Partition I	JavaScript	Easy
557	Reverse Words in a String III	JavaScript	Easy
551	Student Attendance Record I	JavaScript	Easy
543	Diameter of Binary Tree	JavaScript	Easy
541	Reverse String II	JavaScript	Easy
532	K-diff Pairs in an Array	JavaScript	Easy
530	Minimum Absolute Difference in BST	JavaScript	Easy
524	Longest Word in Dictionary through Deleting	JavaScript	Medium
520	Detect Capital	JavaScript	Easy
515	Find Largest Value in Each Tree Row	JavaScript	Medium
508	Most Frequent Subtree Sum	JavaScript	Medium
507	Perfect Number	JavaScript	Easy
504	Base 7	JavaScript	Easy
496	Next Greater Element I	JavaScript	Easy
482	License Key Formatting	JavaScript	Medium
448	Find All Numbers Disappeared in an Array	JavaScript	Easy
442	Find All Duplicates in an Array	JavaScript	Medium
434	Number of Segments in a String	JavaScript	Easy
409	Longest Palindrome	JavaScript	Easy
387	First Unique Character in a String	JavaScript	Easy
344	Reverse String	JavaScript	Easy
226	Invert Binary Tree	JavaScript	Easy
225	Implement Stack using Queues	JavaScript	Medium
219	Contains Duplicate II	JavaScript	Easy
217	Contains Duplicate	JavaScript	Easy
215	Kth Largest Element in an Array	JavaScript	Medium
206	Reverse Linked List	JavaScript	Easy
205	Isomorphic Strings	JavaScript	Easy
203	Remove Linked List Elements	JavaScript	Easy
202	Happy Number	JavaScript	Easy
191	Number of 1 Bits	JavaScript	Easy
190	Reverse Bits	JavaScript	Easy
171	Excel Sheet Column Number	JavaScript	Easy
170	Two Sum III - Data structure design ♥		Easy
169	Majority Element	JavaScript	Easy
168	Excel Sheet Column Title	JavaScript	Easy
155	Min Stack	JavaScript	Easy
151	Reverse Words in a String	JavaScript	Medium
136	Single Number	JavaScript	Medium
111	Minimum Depth of Binary Tree	JavaScript	Easy
108	Convert Sorted Array to Binary Search Tree	JavaScript	Easy
107	Binary Tree Level Order Traversal II	JavaScript	Easy
102	Binary Tree Level Order Traversal	JavaScript	Easy
101	Symmetric Tree	JavaScript	Easy
94	Binary Tree Inorder Traversal	JavaScript	Medium
92	Reverse Linked List II	JavaScript	Medium
88	Merge Sorted Array	JavaScript	Easy
80	Remove Duplicates from Sorted Array II	JavaScript	Medium
66	Plus One	JavaScript	Easy
58	Length of Last Word	JavaScript	Easy
53	Maximum Subarray	JavaScript	Easy
35	Search Insert Position	JavaScript	Easy
26	Remove Duplicates from Sorted Array	JavaScript	Easy
25	Reverse Nodes in k-Group	JavaScript	Hard
24	Swap Nodes in Pairs		Medium
23	Merge k Sorted Lists	JavaScript	Hard
22	Generate Parentheses	JavaScript	Medium
21	Merge Two Sorted Lists	JavaScript	Easy
20	Valid Parentheses	JavaScript	Easy
19	Remove Nth Node From End of List	JavaScript	Easy
18	4Sum		Medium
17	Letter Combinations of a Phone Number	JavaScript	Medium
16	3Sum Closest		Medium
15	3Sum		Medium
14	Longest Common Prefix	JavaScript	Easy
13	Roman to Integer	JavaScript	Easy
12	Integer to Roman	JavaScript	Medium
11	Container With Most Water	JavaScript	Medium
10	Regular Expression Matching	JavaScript	Hard
9	Palindrome Number	JavaScript	Easy
8	String to Integer (atoi)	JavaScript	Easy
7	Reverse Integer	JavaScript	Easy
6	ZigZag Conversion	JavaScript	Easy
5	Longest Palindromic Substring	JavaScript	Medium
4	Median of Two Sorted Arrays	JavaScript	Hard
3	Longest Substring Without Repeating Characters	JavaScript	Medium
2	Add Two Numbers	JavaScript	Medium
1	Two Sum	JavaScript	Easy

LeetCode Shell

#	Title	Solution	Difficulty
195	Tenth Line	Shell	Easy