Leet code challenge 🧠🧠🧠

Easy

• [Two Sum]
• 125 Valid Palindrome
• 121 Best Time to Buy and Sell Stock
• 28 Find the Index of the First Occurrence in a String

Array

• 1929.Concatenation of Array
• 27.Remove Element
• 152. Maximum Product Subarray
• 905. Sort Array By Parity

Stack

• 155 Min Stack
• 682 Baseball Game
• 225. Implement Stack using Queues
• 496. Next Greater Element I
• 735. Asteroid Collision
• 150 Evaluate Reverse Polish Notation

Data Structures

• [] Array
• [] Linked List
• [] Stack
• [] Queue
• [] Tree
• [] Hash
• [] Tries

Algorithm Technique

• [] Window Sliding
• [] Recursion
• [] BackTracking
• [] Binary Search
• [] Greedy
• [] Dynamic Programming

Road Map

Partern solution

Partern Solution