LeetCode

LeetCode Algorithms

#	Title	Solution	Difficulty
788	Rotated Digits	JavaScript	Easy
771	Jewels and Stones	JavaScript	Easy
760	Find Anagram Mappings	JavaScript	Easy
747	Largest Number At Least Twice of Others	JavaScript	Easy
744	Find Smallest Letter Greater Than Target	JavaScript	Easy
724	Find Pivot Index	JavaScript	Easy
693	Binary Number with Alternating Bits	JavaScript	Easy
692	Top K Frequent Words	JavaScript	Medium
686	Repeated String Match	JavaScript	Easy
682	Baseball Game	JavaScript	Easy
680	Valid Palindrome II	JavaScript	Easy
679	24 Game	JavaScript	Hard
678	Valid Parenthesis String	JavaScript	Medium
677	Map Sum Pairs	JavaScript	Medium
676	Implement Magic Dictionary	JavaScript	Medium
674	Longest Continuous Increasing Subsequence	JavaScript	Easy
672	Bulb Switcher II	JavaScript	Medium
671	Second Minimum Node In a Binary Tree	JavaScript	Easy
670	Maximum Swap	JavaScript	Medium
660	Remove 9	JavaScript	Hard
657	Judge Route Circle	JavaScript	Easy
654	Maximum Binary Tree	JavaScript	Medium
653	Two Sum IV - Input is a BST	JavaScript	Easy
645	Set Mismatch	JavaScript	Easy
643	Maximum Average Subarray I	JavaScript	Easy
637	Average of Levels in Binary Tree	JavaScript	Easy
633	Sum of Square Numbers	JavaScript	Easy
628	Maximum Product of Three Numbers	JavaScript	Easy
623	Add One Row to Tree	JavaScript	Medium
617	Merge Two Binary Trees	JavaScript	Easy
606	Construct String from Binary Tree	JavaScript	Easy
599	Minimum Index Sum of Two Lists	JavaScript	Easy
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
518	Coin Change 2	JavaScript	Medium
515	Find Largest Value in Each Tree Row	JavaScript	Medium
513	Find Bottom Left Tree Value	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
476	Number Complement	JavaScript	Easy
461	Hamming Distance	JavaScript	Easy
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
412	Fizz Buzz	JavaScript	Easy
409	Longest Palindrome	JavaScript	Easy
405	Convert a Number to Hexadecimal	JavaScript	Easy
404	Sum of Left Leaves	JavaScript	Easy
387	First Unique Character in a String	JavaScript	Easy
384	Shuffle an Array	JavaScript	Medium
345	Reverse Vowels of a String	JavaScript	Easy
344	Reverse String	JavaScript	Easy
342	Power of Four	JavaScript	Easy
326	Power of Three	JavaScript	Easy
322	Coin Change	JavaScript	Medium
319	Bulb Switcher	JavaScript	Medium
278	First Bad Version	JavaScript	Easy
273	Integer to English Words	JavaScript	Hard
268	Missing Number	JavaScript	Easy
263	Ugly Number	JavaScript	Easy
234	Palindrome Linked List	JavaScript	Easy
227	Basic Calculator II	JavaScript	Medium
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
172	Factorial Trailing Zeroes	JavaScript	Easy
171	Excel Sheet Column Number	JavaScript	Easy
169	Majority Element	JavaScript	Easy
168	Excel Sheet Column Title	JavaScript	Easy
167	Two Sum II - Input array is sorted	JavaScript	Easy
165	Compare Version Numbers	JavaScript	Medium
155	Min Stack	JavaScript	Easy
151	Reverse Words in a String	JavaScript	Medium
146	LRU Cache	JavaScript	Hard
142	Linked List Cycle II	JavaScript	Medium
141	Linked List Cycle	JavaScript	Easy
136	Single Number	JavaScript	Medium
122	Best Time to Buy and Sell Stock II	JavaScript	Easy
121	Best Time to Buy and Sell Stock	JavaScript	Easy
119	Pascal's Triangle II	JavaScript	Easy
118	Pascal's Triangle	JavaScript	Easy
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
103	Binary Tree Zigzag Level Order Traversal	JavaScript	Medium
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
86	Partition List	JavaScript	Medium
80	Remove Duplicates from Sorted Array II	JavaScript	Medium
70	Climbing Stairs	JavaScript	Easy
69	Sqrt(x)	JavaScript	Easy
67	Add Binary	JavaScript	Easy
66	Plus One	JavaScript	Easy
58	Length of Last Word	JavaScript	Easy
53	Maximum Subarray	JavaScript	Easy
50	Pow(x, n)	JavaScript	Medium
35	Search Insert Position	JavaScript	Easy
28	Implement strStr()	JavaScript	Easy
27	Remove Element	JavaScript	Easy
26	Remove Duplicates from Sorted Array	JavaScript	Easy
25	Reverse Nodes in k-Group	JavaScript	Hard
24	Swap Nodes in Pairs	JavaScript	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	JavaScript	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
193	Valid Phone Numbers	Shell	Easy

LeetCode SQL

#	Title	Solution	Difficulty
627	Swap Salary	SQL	Easy
620	Not Boring Movies	SQL	Easy
596	Classes More Than 5 Students	SQL	Easy
595	Big Countries	SQL	Easy