📄️ String
344.Reverse String
📄️ linkedList
707. Design Linked List
📄️ Queue
622. Design Circular Queue
📄️ Stack
232. Implement Queue using Stacks
📄️ Divide and Conquer & Recursion
704. Binary Search
📄️ DFS&BSF
144. Binary Tree Preorder Traversal
📄️ matrix
867. Transpose Matrix
📄️ Graph DFS&BFS
Adjacency Matrix
📄️ binary tree
Concepts
📄️ greedy
605. Can Place Flowers
📄️ two pointers
283. Move Zeroes