- 2635 - Apply Transform Over Each Element in Array
- 2629 - Function Composition
- 21 - Merge Two Sorted Lists
- 1920 - Build Array from Permutation
- 1470 - Shuffle the Array
- 1512 - Number of Good Pairs
- 2011 - Final Value of Variable After Performing Operations
- 66 - Plus One
- 67 - Add Binary
- 35 - Search Insert Position
- 26 - Remove Duplicates from Sorted Array
- 27 - Remove Element
- 14 - Longest Common Prefix
- 21 - Merge Two Sorted Lists
- 9 - Palindrome Number
- 1929 - Concatenation of Array
- 13 - Roman to Integer
- 1 - Two Sum
- 20 - Valid Parentheses
- 131 - Palindrome Partitioning
- 1347 - Minimum Number of Steps to Make Two Strings Anagram
- 58 - Length of Last Word
- 168 - Excel Sheet Column Title
- 459 - Repeated Substring Pattern
- 496 - Next Greater Element I
- 747 - Largest Number At Least Twice of Others
- 1346 - Check If N and Its Double Exist
- 2154 - Keep Multiplying Found Values by Two
- 2185 - Counting Words With a Given Prefix
- Start with Top 20 liked questions that are Easy.
- Focus on questions by topic - solve 10 of each topic (such as Linked Lists, Graphs, Stack…).
- Don’t forget to order questions based on acceptance rate.
- Don’t spend more than 45 minutes on a question, look up the solution and learn from it.
- Revisit problems that you couldn’t solve yourself after a week or two until you’re confident with them.