leetcode Obsidian

About

This repository includes my solutions to Leetcode questions. If you find my solutions hard to comprehend, give yourself a time to solve easier questions or check discussion section to problem on LeetCode. Feel free to contact me for improvements 😃

List of Problems

Question number	Name	Solution link
1	Two Sum	Python3 Solution
4	Median of Two Sorted Arrays	Python3 Solution
5	Longest Palindromic Substring	Python3 Solution
8	String to Integer (atoi)	Python3 Solution
10	Regular Expression Matching	Python3 Solution
12	Integer to Roman	Python3 Solution
15	3Sum	Python3 Solution
16	3Sum Closest	Python3 Solution
17	Letter Combinations of a Phone Number	Python3 Solution
18	4Sum	Python3 Solution
19	Remove Nth Node From End of List	Python3 Solution
22	Generate Parentheses	Python3 Solution
23	Merge k Sorted Lists	Python3 Solution
24	Swap Nodes in Pairs	Python3 Solution
25	Reverse Nodes in k-Group	Python3 Solution
27	Remove Element	Python3 Solution
28	Find the Index of the First Occurrence in a String	Python3 Solution
29	Divide Two Integers	Python3 Solution
31	Next Permutation	Python3 Solution
33	Search in Rotated Sorted Array	Python3 Solution
35	Search Insert Position	Python3 Solution
38	Count and Say	Python3 Solution
41	First Missing Positive	Python3 Solution
48	Rotate Image	Python3 Solution
50	Pow(x, n)	Python3 Solution
51	N-Queens	Python3 Solution
53	Maximum Subarray	Python3 Solution
55	Jump Game	Python3 Solution
56	Merge Intervals	Python3 Solution
59	Spiral Matrix II	Python3 Solution
61	Rotate List	Python3 Solution
68	Text Justification	Python3 Solution
71	Simplify Path	Python3 Solution
72	Edit Distance	Python3 Solution
73	Set Matrix Zeroes	Python3 Solution
75	Sort Colors	Python3 Solution
79	Word Search	Python3 Solution
83	Remove Duplicates from Sorted List	Python3 Solution
88	Merge Sorted Array	Python3 Solution
100	Same Tree	Python3 Solution
101	Symmetric Tree	Python3 Solution
104	Maximum Depth of Binary Tree	Python3 Solution
108	Convert Sorted Array to Binary Search Tree	Python3 Solution
110	Balanced Binary Tree	Python3 Solution
111	Minimum Depth of Binary Tree	Python3 Solution
112	Path Sum	Python3 Solution
118	Pascal's Triangle	Python3 Solution
141	Linked List Cycle	Python3 Solution
146	LRU Cache	Python3 Solution
155	Factorial Trailing Zeroes	Python3 Solution
172	Factorial Trailing Zeroes	Python3 Solution
175	Combine Two Tables	Python3 Solution
181	Employees Earning More Than Their Managers	Python3 Solution
189	Rotate Array	Python3 Solution
198	House Robber	Python3 Solution
200	Number of Islands	Python3 Solution
202	Happy Number	Python3 Solution
203	Remove Linked List Elements	Python3 Solution
204	Count Primes	Python3 Solution
207	Course Schedule	Python3 Solution
209	Minimum Size Subarray Sum	Python3 Solution
227	Basic Calculator II	Python3 Solution
229	Majority Element II	Python3 Solution
234	Palindrome Linked List	Python3 Solution
237	Delete Node in a Linked List	Python3 Solution
238	Product of Array Except Self	Python3 Solution
240	Search a 2D Matrix II	Python3 Solution
278	First Bad Version	Python3 Solution
287	Find the Duplicate Number	Python3 Solution
342	Power of Four	Python3 Solution
363	Max Sum of Rectangle No Larger Than K	Python3 Solution
368	Largest Divisible Subset	Python3 Solution
414	Third Maximum Number	Python3 Solution
447	Number of Boomerangs	Python3 Solution
461	Hamming Distance	Python3 Solution
520	Detect Capital	Python3 Solution
551	Student Attendance Record I	Python3 Solution
584	Find Customer Referee	Python3 Solution
595	Big Countries	Python3 Solution
605	Can Place Flowers	Python3 Solution
630	Course Schedule III	Python3 Solution
693	Binary Number with Alternating Bits	Python3 Solution
735	Asteroid Collision	Python3 Solution