Leetcode

#	Title	Solution	Difficulty
0001	Two Sum	Python	Medium
0009	Palindrome Number	Python	Medium
0013	Roman to Integer	Python	Easy
0014	Longest Common Prefix	Python	Easy
0020	Valid Parentheses	Python	Easy
0024	Swap Nodes in Pairs	Python	Medium
0026	Remove Duplicates from Sorted Array	Python	Easy
0027	Remove Element	Go	Easy
0054	Spiral Matrix	Python	Medium
0057	Insert	Python	Medium
0058	Length of Last Word	Python	Easy
0059	Spiral Matrix II	Python	Medium
0066	Plus One	Python	Easy
0067	Add Binary	Python	Easy
0079	Word Search	Python	Medium
0088	Merge Sorted Array	Python	Easy
0121	Best Time to Buy and Sell Stock	Python	Easy
0127	Word Ladder	Python	Hard
0136	Single Number	Python	Easy
0137	Single Number II	Go	Medium
0150	Evaluate Reverse Polish Notation	Python	Medium
167	CoTwo Sum II - Input Array Is Sorted	Python	Medium
0175	Combine Two Tables	SQL	Easy
0181	Employees Earning More Than Their Managers	SQL	Easy
0182	Duplicate Emails	SQL	Easy
0183	Customers Who Never Order	SQL	Easy
0191	Number of 1 Bits	Python	Easy
0202	Happy Number	Python	Easy
0209	Minimum Size Subarray Sum	Go	Medium
0217	Contains Duplicate	Python Go	Easy
0234	Palindrome Linked List	Python	Easy
0242	Valid Anagram	Python	Easy
0287	Find the Duplicate Number	Python	Medium
0288	Summary Ranges	Python	Easy
0344	Reverse String	Python Go	Easy
0347	Top K Frequent Elements	Python	Medium
0373	Find K Pairs with Smallest Sums	Python	Medium
0389	Is Subsequence	Python	Easy
0392	Is Subsequence	Python	Medium
0401	Binary Watch	Python	Easy
0415	Add Strings	Python	Easy
0461	Hamming Distance	Python	Easy
0515	Find Largest Value in Each Tree Row	Python	Medium
0501	Find Mode in Binary Search Tree	Python	Easy
0525	Contiguous Array	Python	Medium
0541	Reverse String II	Python	Easy
0547	Number of Provinces	Python	Medium
0605	Can Place Flowers	Python	Easy
0649	Dota2 Senate	Python	Medium
0703	Kth Largest Element in a Stream	Python	Easy
0705	Design HashSet	Python	Easy
0714	Best Time to Buy and Sell Stock with Transaction Fee	Python	Medium
0744	Find Smallest Letter Greater Than Target	Python	Easy
0796	Rotate String	Python	Easy
0859	Buddy Strings	Python	Easy
0863	All Nodes Distance K in Binary Tree	Python	Medium
0938	Range Sum of BST	Python	Easy
0941	Valid Mountain Array	Python	Easy
0976	Largest Perimeter Triangle	Python	Medium
977	Find the Town Judge	Python	Easy
1027	Longest Arithmetic Subsequence	Python	Medium
1035	Uncrossed Lines	Python	Medium
1051	Height Checker	Python	Easy
1091	Shortest Path in Binary Matrix	Python	Medium
1146	Snapshot Array	Python	Medium
1161	Maximum Level Sum of a Binary Tree	Python	Medium
1187	Make Array Strictly Increasing	Python	Hard
1232	Check If It Is a Straight Line	Python	Easy
1281	Subtract the Product and Sum of Digits of an Integer	Python	Medium
1318	Minimum Flips to Make a OR b Equal to c	Python	Medium
1351	Count Negative Numbers in a Sorted Matrix	Python	Medium
1376	Time Needed to Inform All Employees	Python	Medium
1396	Design Underground System	Python	Medium
1431	Kids With the Greatest Number of Candies	Python	Easy
1441	Build an Array With Stack Operations	Python	Medium
1456	Maximum Number of Vowels in a Substring of Given Length	Python	Medium
1491	Average Salary Excluding the Minimum and Maximum Salary	Python	Easy
1492	The kth Factor of n	Python	Medium
1493	Longest Subarray of 1's After Deleting One Element	Python	Medium
1498	Number of Subsequences That Satisfy the Given Sum Condition	Python	Medium
1502	Can Make Arithmetic Progression From Sequence	Python	Easy
1503	Last Moment Before All Ants Fall Out of a Plank	Python	Medium
1508	Range Sum of Sorted Subarray Sums	Python	Medium
1514	path-with-maximum-probability	Python	Medium
1523	Count Odd Numbers in an Interval Range	Python	Easy
1544	Make The String Great	Python	Easy
1547	Minimum Cost to Cut a Stick	Python	Hard
1569	Number of Ways to Reorder Array to Get Same BST	Python	Hard
1572	Matrix Diagonal Sum	Python	Easy
1601	Maximum Number of Achievable Transfer Requests	Go	Hard
1603	Design Parking System	Python	Easy
1614	Design Parking System	Python	Easy
1629	Slowest Key	Python	Easy
1700	Number of Students Unable to Eat Lunch	Python	Easy
1732	Find the Highest Altitude	Python	Easy
1779	Find Nearest Point That Has the Same X or Y Coordinate	Python	Easy
1790	Check if One String Swap Can Make Strings Equal	Python	Easy
1822	Sign of the Product of an Array	Python	Easy
1897	Sign of the Product of an Array	Python	Easy
1964	Find the Longest Valid Obstacle Course at Each Position	Python	Hard
1991	Find the Middle Index in Array	Python	Easy
2050	Parallel Courses III	Python	Hard
2101	Detonate the Maximum Bombs	Python	Medium
2124	Check if All A's Appears Before All B's	Python	Easy
2130	Maximum Twin Sum of a Linked List	Python	Medium
2140	Solving Questions With Brainpower	Python	Medium
2169	Count Operations to Obtain Zero	Python	Easy
2248	Intersection of Multiple Arrays	Python	Easy
2256	Count Nodes Equal to Average of Subtree	Python	Medium
2319	Check if Matrix Is X-Matrix	Python	Easy
2352	Equal Row and Column Pairs	Python	Medium
2385	Amount of Time for Binary Tree to Be Infected	Python	Medium
2448	Minimum Cost to Make Array Equal	Python	Hard
2466	Count Ways To Build Good Strings	Python	Medium
2486	Append Characters to String to Make Subsequence	Go	Medium
2542	Maximum Subsequence Score	Python	Medium
2696	Minimum String Length After Removing Substrings	JavaScript	Easy
2703	Return Length of Arguments Passed	JavaScript	Easy
2744	Find Maximum Number of String Pairs	JavaScript	Easy
2828	Check if a String Is an Acronym of Words	Python	Easy
2833	Furthest Point From Origin	Python	Easy
2859	Sum of Values at Indices With K Set Bits	Python	Easy
3038	Maximum Number of Operations With the Same Score I	Python	Easy
3099	Harshad Number	Python	Easy
3110	Score of a String	Python	Easy
3184	Count Pairs That Form a Complete Day I	Python	Easy
3185	Count Pairs That Form a Complete Day II	Python	Medium
3190	Find Minimum Operations to Make All Elements Divisible by Three	Python	Easy

30 Days of Leetcode Javascript Challenge

Days	Title	Solution	Difficulty
1	Create Hello World Function	JS	Easy
2	Counter	JS	Easy
3	Counter II	JS	Easy
4	Apply Transform Over Each Element in Array	JS	Easy
5	Filter Elements from Array	JS	Easy
6	Array Reduce Transformation	JS	Easy
7	Function Composition	JS	Easy
8	Allow One Function Call	JS	Easy
9	Memoize	JS	Medium
10	Curry	JS	Medium
11	Sleep	JS	Easy
12	Promise Time Limit	JS	Easy
13	Promise Pool	JS	Medium
14	Cache With Time Limit	JS	Medium
15	Debounce	JS	Medium
16	Throttle	JS	Medium
17	JSON Deep Equal	JS	Medium
18	Convert Object to JSON String	JS	Medium
19	Array of Objects to Matrix	JS	Medium
20	Differences Between Two Objects	JS	Medium
21	Chunk Array	JS	Easy
22	Flatten Deeply Nested Array	JS	Medium
23	Array Prototype Last	JS	Easy
24	Group By	JS	Easy
25	Check if Object Instance of Class	JS	Medium
26	Call Function with Custom Context	JS	Medium
27	Event Emitter	JS	Medium
28	Array Wrapper	JS	Easy
29	Generate Fibonacci Sequence	JS	Easy