Leetcode Easy

leetcode 70 - Climbing Stairs

leetcode 206 - Reverse Linked List

leetcode 226 - Invert Binary Tree

leetcode 572 - Subtree of Another Tree

leetcode 242 - Valid Anagram

leetcode 190 - Reverse Bits

leetcode 191 - Number of 1 Bits

leetcode 338 - Counting Bits

leetcode 100 - Same Tree

leetcode 20 - Valid Parentheses

leetcode 496 - Next Greater Element I

leetcode 104 - Maximum Depth of Binary Tree

leetcode 1 - Two Sum

leetcode 141 - Linked List Cycle

leetcode 125 - Valid Palindrome

leetcode 268 - Missing Number

leetcode 217 - Contains Duplicate

leetcode 21 - Merge Two Sorted Lists

leetcode 121 - Best Time to Buy and Sell Stock

leetcode 1047 - Remove All Adjacent Duplicates In String

leetcode 252 - Meeting Rooms

leetcode 26 - Remove Duplicates from Sorted Array

leetcode 344 - Rrevese String