Solutions for leetcode problem that I solve. Language used is typescript

Arrays

• 704: Binary Search Leetcode Solution

• 344: Reverse String Leetcode Solution

• 828: Count Unique Characters of All Substrings of a Given String Leetcode Solution

• 34: Find First and Last Position of Element in Sorted Array Leetcode Solution

• 189: Rotate Array Leetcode Solution

• 53: Maximum Subarray Leetcode Solution

• 912: Sort an Array Leetcode Solution

• 7: Reverse Integer Leetcode Solution

• 901: Online Stock Span Leetcode Solution

• 15: 3Sum Leetcode Solution

• 172: Factorial Trailing Zeroes Leetcode Solution

• 1: Two Sum Leetcode Solution

• 5: Longest Palindromic Substring Leetcode Solution

• 33: Search in Rotated Sorted Array Leetcode Solution

Data Structures

Binary trees

• 144 Binary Tree Preorder Traversal Leetcode Solution

• 1008: Construct Binary Search Tree from Preorder Traversal Leetcode Solution

• 94: Binary Tree Inorder Traversal Leetcode Solution

• 102: Binary Tree Level Order Traversal Leetcode Solution

• 104: Maximum Depth of Binary Tree Leetcode Solution

• 543: Diameter of Binary Tree Leetcode Solution

• 111: Minimum Depth of Binary Tree Leetcode Solution

• 101: Symmetric Tree Leetcode Solution

• 106: Construct Binary Tree from Inorder and Postorder Traversal Leetcode Solution

• 671: Second Minimum Node In a Binary Tree Leetcode Solution

Graph

• 207: Course Schedule Leetcode Solution
• 1514: Path with Maximum Probability Leetcode Solution

Hashmap

• 560: Subarray Sum Equals K Leetcode Solution

Binary Search Tree

• 701: Insert into a Binary Search Tree Leetcode Solution

• 450: Delete Node in a BST Leetcode Solution

• 1008: Construct Binary Search Tree from Preorder Traversal Leetcode Solution

• 226: Invert Binary Tree Leetcode Solution

• 98: Validate Binary Search Tree Leetcode Solution

Graph

• Graph using adjacency list implementation | bfs | dfs Solution

• Graph using node class Solution

Heap

• Implementation Solution

Linked List

• Implementation Solution

Queue

• Using Linked List Solution
• Using Stack Solution

Stack

• Stack using Array Solution
• Stack using Linked List Solution

Trie

• 208: Implement Trie (Prefix Tree) Leetcode Solution

Dynamic Programming

• 322: Coin Change Leetcode Solution

• Coin change using bottom up approach Solution

• 1143: Longest Common Subsequence Leetcode Solution

• 300: Longest Increasing Subsequence Leetcode Solution

• 494: Target Sum Leetcode Solution

Native Js

• 2622: Cache With Time Limit Leetcode Solution

• 2636: Promise Pool Leetcode Solution

• 2676: Throttle Leetcode Solution

• 2627: Debounce Leetcode Solution

• 2623: Memoize Leetcode Solution

Two Pointer

• 125: Valid Palindrome Leetcode Solution

Recursion

• 50: Pow(x, n) Leetcode Solution

• 1752: Check if Array Is Sorted and Rotated Leetcode Solution

2d array

• 118: Pascal's Triangle Leetcode Solution