LeetCode Solutions in TypeScript

This repository contains my solutions to various LeetCode problems, implemented in TypeScript. Please follow me and ⭐ this repo if this you find this helpful!

Who am I?

I'm a passionate software engineer with 10+ years of experience building high-performance, user-centric products across web and mobile. I specialize in frontend architecture, developer tooling, and design systems, with a strong foundation in React, TypeScript, and Node.js.

Leetcode profile: Adarsh Nanwani

Website: adarshn.com

Data Structures

#	Data Structure	Code
1	Adjacency List	adjacency-list.ts
2	Dequeue	dequeue.ts
3	Dynamic Array	dynamic-array.ts
4	Hash Table	hash-table.ts
5	Linked List	linked-list.ts
6	Min Heap	min-heap.ts
7	Treemap	treemap.ts

Algorithms

#	Algorithm	Code
1	Insertion sort	insertion-sort.ts
2	Merge sort	merge-sort.ts
3	Quick sort	quick-sort.ts
4	Matrix BFS	matrix-bfs.ts
5	Matrix DFS	matrix-dfs.ts

Problems

#	Problem	LeetCode Link	Solution
1	Two Sum	Link	0001.ts
2	Add Two Numbers	Link	0002.ts
3	Longest Substring Without Repeating Characters	Link	0003.ts
20	Valid Parentheses	Link	0020.ts
21	Merge Two Sorted Lists	Link	0021.ts
23	Merge k Sorted Lists	Link	0023.ts
26	Remove Duplicates from Sorted Array	Link	0026.ts
27	Remove Element	Link	0027.ts
39	Combination Sum	Link	0039.ts
58	Length of Last Word	Link	0058.ts
70	Climbing Stairs	Link	0070.ts
74	Search a 2D Matrix	Link	0074.ts
75	Sort Colors	Link	0075.ts
78	Subsets	Link	0078.ts
94	Binary Tree Inorder Traversal	Link	0094.ts
102	Binary Tree Level Order Traversal	Link	0102.ts
105	Construct Binary Tree from Preorder and Inorder Traversal	Link	0105.ts
112	Path Sum	Link	0112.ts
133	Clone Graph	Link	0133.ts
146	LRU Cache	Link	0146.ts
155	Min Stack	Link	0155.ts
190	Reverse Bits	Link	0190.ts
191	Number of 1 Bits	Link	0191.ts
198	House Robber	Link	0198.ts
199	Binary Tree Right Side View	Link	0199.ts
200	Number of Islands	Link	0200.ts
206	Reverse Linked List	Link
209	Minimum Size Subarray Sum	Link	0209.ts
215	Kth Largest Element in an Array	Link	0215.ts
217	Contains Duplicate	Link	0217.ts
219	Contains Duplicate II	Link	0219.ts
225	Implement Stack using Queues	Link	0225.ts
230	Kth Smallest Element in a BST	Link	0230.ts
338	Counting Bits	Link	0338.ts
374	Guess Number Higher or Lower	Link	0374.ts
450	Delete Node in a BST	Link	0450.ts
695	Max Area of Island	Link	0695.ts
701	Insert into a Binary Search Tree	Link	0701.ts
703	Kth Largest Element in a Stream	Link	0703.ts
704	Binary Search	Link	0704.ts
707	Design Linked List	Link	0707.ts
875	Koko Eating Bananas	Link	0875.ts
918	Maximum Sum Circular Subarray	Link	0918.ts
973	K Closest Points to Origin	Link	0973.ts
978	Longest Turbulent Subarray	Link	0978.ts
994	Rotting Oranges	Link	0994.ts
1046	BLast Stone Weight	Link	1046.ts
1091	Shortest Path in Binary Matrix	Link	1091.ts
1342	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold	Link	1342.ts
1472	Design Browser History	Link	1472.ts
1929	Concatenation of Array	Link	1929.ts