| Smallest Divisible Digit Product II | Hard | 14.4% | 82.7% |
| Permutation Difference between Two Strings | Easy | 87.8% | 82.7% |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 80.3% |
| Longest Palindromic Substring | Medium | 37.4% | 74.8% |
| Letter Combinations of a Phone Number | Medium | 65.5% | 74.8% |
| Shortest Palindrome | Hard | 41.9% | 74.8% |
| Roman to Integer | Easy | 66.3% | 63.1% |
| Largest Number | Medium | 42.6% | 63.1% |
| Longest Common Prefix | Easy | 47.1% | 57.5% |
| Reverse Words in a String | Medium | 55.6% | 57.5% |
| Valid Anagram | Easy | 67.8% | 57.5% |
| String Compression | Medium | 59.6% | 50.4% |
| Valid Parentheses | Easy | 43.7% | 50.4% |
| Separate Black and White Balls | Medium | 64.0% | 50.4% |
| Sort Characters By Frequency | Medium | 75.1% | 50.4% |
| Valid Palindrome | Easy | 52.8% | 40.6% |
| Edit Distance | Medium | 60.2% | 40.6% |
| Generate Parentheses | Medium | 78.3% | 40.6% |
| Integer to Roman | Medium | 70.5% | 40.6% |
| String to Integer (atoi) | Medium | 20.6% | 40.6% |
| Longest Common Subsequence | Medium | 58.9% | 40.6% |
| Regular Expression Matching | Hard | 30.5% | 40.6% |
| Find All Anagrams in a String | Medium | 53.3% | 40.6% |
| Find the Difference | Easy | 60.1% | 40.6% |
| Minimum Insertion Steps to Make a String Palindrome | Hard | 73.7% | 40.6% |
| Reverse String | Easy | 80.6% | 40.6% |
| Longest Palindrome | Easy | 55.8% | 40.6% |
| Largest Odd Number in String | Easy | 67.0% | 40.6% |
| Palindrome Partitioning | Medium | 73.7% | 40.6% |
| Reverse String II | Easy | 53.4% | 40.6% |
| Remove K Digits | Medium | 36.4% | 40.6% |
| First Unique Character in a String | Easy | 65.1% | 40.6% |
| Word Search | Medium | 46.9% | 40.6% |
| Longest Palindromic Subsequence | Medium | 65.1% | 40.6% |
| Rotate String | Easy | 65.1% | 40.6% |
| Longest Valid Parentheses | Hard | 38.1% | 40.6% |
| Final Value of Variable After Performing Operations | Easy | 90.6% | 40.6% |
