🚀100 Days of Data Structures and Algorithms (100DaysOfDSA)

Welcome to my 🚀100DaysOfDSA challenge. This repository contains my solutions to various data structure and algorithm problems from LeetCode. Each solution is implemented in TypeScript and includes a link to the problem on LeetCode and a link to the code in this repository.

Technologies Used

• TypeScript: All solutions are implemented in TypeScript, a statically typed superset of JavaScript that adds types to the language.

Structure

The repository is structured by difficulty (Easy, Medium, Hard), but you can also follow it by days:

Day	Question	Code
0	118. Pascal's Triangle	</>
1	74. Search a 2D Matrix	</>
2	121. Best Time to Buy and Sell Stock	</>
3	34. Find First and Last Position of Element in Sorted Array	</>
4	268. Missing Number	</>
5	287. Find the Duplicate Number	</>
6	33. Search in Rotated Sorted Array	</>
7	41. First Missing Positive	</>
8	1095. Find in Mountain Array	</>
9	852. Peak Index in a Mountain Array	</>
10	4. Median of Two Sorted Arrays	</>
11	1539. Kth Missing Positive Number	</>
12	50. Pow(x, n)	</>
13	744. Find Smallest Letter Greater Than Target	</>
14	1342. Number of Steps to Reduce a Number to Zero	</>
15	20. Valid Parentheses	</>
16	154. Find Minimum in Rotated Sorted Array II	</>
17	81. Search in Rotated Sorted Array II	</>
18	39. Combination Sum	</>
19	167. Two Sum II - Input Array Is Sorted	</>
20	73. Set Matrix Zeroes	</>
21	17. Letter Combinations of a Phone Number	</>
22	46. Permutations	</>
23	88. Merge Sorted Array	</>
24	51. N-Queens	</>
25	6. Zigzag Conversion	</>
26	83. Remove Duplicates from Sorted List	</>
27	21. Merge Two Sorted Lists	</>
28	216. Combination Sum III	</>
29	40. Combination Sum II	</>
30	141. Linked List Cycle	</>
31	7. Reverse Integer	</>
32	202. Happy Number	</>
33	78. Subsets	</>
34	2. Add Two Numbers	</>
35	142. Linked List Cycle II	</>
36	90. Subsets II	</>
37	206. Reverse Linked List	</>
38	92. Reverse Linked List II	</>
39	234. Palindrome Linked List	</>
40	19. Remove Nth Node From End of List	</>
41	23. Merge k Sorted Lists	</>
42	47. Permutations II	</>
43	242. Valid Anagram	</>
44	79. Word Search	</>
45	131. Palindrome Partitioning	</>
46	153. Find Minimum in Rotated Sorted Array	</>
47	49. Group Anagrams	</>
48	3. Longest Substring Without Repeating Characters	</>
49	28. Find the Index of the First Occurrence in a String	</>
50	567. Permutation in String	</>
51	125. Valid Palindrome	</>
52	66. Plus One	</>
53	15. 3Sum	</>
54	155. Min Stack	</>
55	160. Intersection of Two Linked Lists	</>
56	136. Single Number	</>
57	119. Pascal's Triangle II	</>
58	232. Implement Queue using Stacks	</>
59	150. Evaluate Reverse Polish Notation	</>
60	225. Implement Stack using Queues	</>
61	54. Spiral Matrix	</>
62	494. Target Sum	</>
63	921. Minimum Add to Make Parentheses Valid	</>
64	22. Generate Parentheses	</>
Remaining to post on social media
65	75. Sort Colors	</>

Contributing

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