🏆 LeetCode

🗃️ Problems & Solutions

(Notes: "💚" means easy difficulty, "💛" means medium difficulty, "❤️" means hard difficulty.)

#	Title	Solution	💪
1	Two Sum	Python	💚
7	Reverse Integer	Python	💛
9	Palindrome Number	Python	💚
12	Integer to Roman	Python	💛
13	Roman to Integer	Python	💚
14	Longest Common Prefix	Python	💚
20	Valid Parentheses	Python	💚
26	Remove Duplicates from Sorted Array	Python	💚
27	Remove Element	Python	💚
28	Implement strStr()	Python	💚
36	Valid Sudoku	Python	💛
37	Sudoku Solver	Python	❤️
48	Rotate Image	Python	💛
58	Length of Last Word	Python	💚
66	Plus One	Python	💚
67	Add Binary	Python	💚
118	Pascal's Triangle	Python	💚
119	Pascal's Triangle II	Python	💚
125	Valid Palindrome	Python	💚
136	Single Number	Python	💚
168	Excel Sheet Column Title	Python	💚
169	Majority Element	Python	💚
171	Excel Sheet Column Number	Python	💚
189	Rotate Array	Python	💛
190	Reverse Bits	Python	💚
191	Number of 1 Bits	Python	💚
198	House Robber	Python	💛
202	Happy Number	Python	💚
204	Count Primes	Python	💛
205	Isomorphic Strings	Python	💚
215	Kth Largest Element in an Array	Python	💛
217	Contains Duplicate	Python	💚
219	Contains Duplicate II	Python	💚
229	Majority Element II	Python	💛
231	Power of Two	Python	💚
242	Valid Anagram	Python	💚
268	Missing Number	Python	💚
273	Integer to English Words	Python	❤️
278	First Bad Version	Python	💚
283	Move Zeroes	Python	💚
326	Power of Three	Python	💚
338	Counting Bits	Python	💚
342	Power of Four	Python	💚
344	Reverse String	Python	💚
345	Reverse Vowels of a String	Python	💚
349	Intersection of Two Arrays	Python	💚
350	Intersection of Two Arrays II	Python	💚
387	First Unique Character in a String	Python	💚
412	Fizz Buzz	Python	💚
414	Third Maximum Number	Python	💚
461	Hamming Distance	Python	💚
509	Fibonacci Number	Python	💚
1078	Occurrences After Bigram	Python	💚
1128	Number of Equivalent Domino Pairs	Python	💚
1195	Fizz Buzz Multithreaded	Python	💛
1486	XOR Operation in an Array	Python	💚
2194	Cells in a Range on an Excel Sheet	Python	💚
2404	Most Frequent Even Element	Python	💚

🛠️ Tech Stack

⚠️ License

leetcode is licenced under the MIT License. See the LICENSE for more information.