Data Structures and Algorithms

Following lists level 1 problem solutions.
Leetcode 27 Remove Element - Top 150 Interview Question- Python
Leetcode 58 Length of Last Word - Top 150 Interview Question - Python
Leetcode 290 Word Pattern
Leetcode 205: Isomorphic Strings
Leetcode 198: Huose Robber - Dynamic Programming - Memoization
Leetcode 11: Container with Most Water | Google/FB Interview Question | Python
Leetcode 167: Two Sum || - Input ayyay sorted - Two Pointers - Python
Leetcode 392: Is Subsequence
Leetcode 102. Binary Tree Level Order Traversal - BFS - Python
Leetcode 5. Longest Palindromic Substring
Leetcode 133. Clone Graph
Leetcode 973. K Closest Points to Origin
Leetcode 53. Maximum Subarray - Kadane's Algorithm - Python
Leetcode 1: Two sum
Leetcode 3. Longest Substring Without Repeating Characters - Two Pointer
Leetcode 98: Validate BInary Search Tree - DFS - Python
Leetcode 150. Evaluate Reverse Polish Notation
Leetcode 155. Min Stack
Leetcode 844. Backspace String Compare
108. Convert Sorted Array to Binary Search Tree
Leetcode 572. Subtree of Another Tree
Leetcode 9. Palindrome Number
Leetcode 543. Diameter of Binary Tree
Leetcode 190. Reverse Bits
Leetcode 283. Move Zeroes
Leetcode 234. Palindrome Linked List
Leetcode 104. Maximum Depth of Binary Tree
Leetcode 338. Counting Bits
Leetcode 14. Longest Common Prefix
Leetcode 232. Implement Queue using Stacks
Leetcode 191. Number of 1 Bits
Leetcode 101 Symmetric Tree
Leetcode 136 Single Number
Leetcode 100 Same Tree
Leetcode 70 Climbing Stairs
Leetcode 876. Middle of the Linked List
Leetcode 206 Reverse Linked List (Part 1- iterative)
Leetcode 206 Reverse Linked List - Part 2 - using recursion
Leetcode 278: First Bad Version
Leetcode 141 - Linked List Cycle - Floyd's Tortoise and Hare
110. Balanced Binary Tree
2. বন্ধনী অবন্ধনী
3. প্রতিলিপি অনুসন্ধান
4. মিসির আলীর মিসিং নম্বর
5. উল্টে যদি না পাল্টায় - প্যালিনড্রোম
Leetcode 242: Valid Anagram
Leetcode 21: Merge two sorted list
LC 121: Best time to buy and sell stock
Leetcode 242: Valid Anagram
Leetcode 704: Binary Search
Leetcode 13: Roman to Integer
Leetcode 67: Add Binary
Leetcode 169: Majority Element
Leetcode 383 Ransom Note
Leetcode 977: Squares of a Sorted Array
104. Maximum Depth of Binary Tree
Leetcode 226 Invert Binary Tree
Leetcode 235 Lowest common ancestor of a BST
Leetcode 733 Flood Fill