You can pick any coding problem and try to solve it by yourself using the given description + LeetCode link for each Of course, you have the choice to just go and solve them without me on the website, either case, only open the solution file when you solve yours, it's for your own sake, buddy!
Here is a List of them based on the difficulty:
- Add Binary
- Add Two Integers
- Average of Levels in Binary Tree
- Best Time to Buy and Sell Stock
- Climbing Stairs
- Contains Duplicate II
- Convert Sorted Array to Binary Search Tree
- Convert the Temperature
- Count the Digits That Divide a Number
- Happy Number
- Invert Binary Tree
- Isomorphic Strings
- Is Subsequence
- Length of Last Word
- Linked List Cycle
- Longest Common Prefix
- Majority Element
- Maximum Depth of Binary Tree
- Merge Sorted Array
- Merge Two Sorted Lists
- Minimum Absolute Difference in BST
- Number of Good Pairs
- Number of 1 Bits
- Number of Steps to Reduce a Number to Zero
- Palindrome Number
- Path Sum
- Plus One
- Power of Two
- Ransom Note
- Remove Duplicates from Sorted Array
- Remove Element
- Reverse Bits
- Roman to Integer
- Same Tree
- Search Insert Position
- Single Number
- Smallest Even Multiple
- Sqrt(x)
- Subtract the Product and Sum of Digits of an Integer
- Summary Ranges
- Symmetric Tree
- Two Sum
- Valid Palindrome
- Valid Parentheses
- Word Pattern
- XOR Operation in an Array