easy

2025

110. Balanced Binary Tree - LeetCode
543. Diameter Of Binary Tree - LeetCode
104. Maximum Depth Of Binary Tree - LeetCode
226. Invert Binary Tree - LeetCode
206. Reverse Linked List - LeetCode
141. Linked List Cycle - LeetCode
21. Merge Two Sorted Lists - LeetCode
121. Best Time to Buy and Sell Stock - LeetCode
704. Binary Search - LeetCode

2024

125. Valid Palindrome - Leet Code
20. Valid Parentheses - LeetCode
242. Valid Anagram - LeetCode
217. Contains Duplicate - LeetCode
1. Two Sum - LeetCode