| String Compression | Medium | 59.6% | 87.8% |
| Time Needed to Rearrange a Binary String | Medium | 52.6% | 80.8% |
| Smallest Substring With Identical Characters II | Hard | 40.2% | 72.5% |
| Remove Adjacent Almost-Equal Characters | Medium | 53.1% | 71.3% |
| Maximum Palindromes After Operations | Medium | 45.6% | 67.4% |
| Maximum Number of Occurrences of a Substring | Medium | 54.3% | 67.4% |
| Distinct Subsequences | Hard | 51.5% | 64.2% |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 62.4% |
| Group Anagrams | Medium | 72.2% | 60.5% |
| Split a String in Balanced Strings | Easy | 87.3% | 60.5% |
| Check Whether Two Strings are Almost Equivalent | Easy | 64.1% | 60.5% |
| Maximum Number That Makes Result of Bitwise AND Zero | Medium | 70.1% | 60.5% |
| Equalize Strings by Adding or Removing Characters at Ends | Medium | 56.6% | 60.5% |
| Palindromic Substrings | Medium | 72.6% | 58.3% |
| Longest Common Subsequence | Medium | 58.9% | 55.9% |
| Longest Palindromic Substring | Medium | 37.4% | 50.1% |
| Count Palindromic Subsequences | Hard | 41.0% | 50.1% |
| Zigzag Conversion | Medium | 53.6% | 50.1% |
| Report Spam Message | Medium | 48.5% | 50.1% |
| Minimum Window Substring | Hard | 47.0% | 46.4% |
| Word Search | Medium | 46.9% | 46.4% |
| Search Suggestions System | Medium | 65.1% | 46.4% |
| Odd String Difference | Easy | 61.8% | 41.9% |
| Word Ladder | Hard | 44.9% | 41.9% |
| Remove All Adjacent Duplicates in String II | Medium | 60.9% | 41.9% |
| Strange Printer | Hard | 60.9% | 36.1% |
| Generate Parentheses | Medium | 78.3% | 36.1% |
| Valid Parenthesis String | Medium | 39.8% | 36.1% |
| Word Break | Medium | 49.1% | 36.1% |
| Decode String | Medium | 62.3% | 36.1% |
| Top K Frequent Words | Medium | 60.0% | 36.1% |
| Valid Parentheses | Easy | 43.7% | 36.1% |
| Reconstruct Itinerary | Hard | 44.3% | 36.1% |
| Count Binary Substrings | Easy | 70.3% | 36.1% |
| Reorganize String | Medium | 56.8% | 36.1% |
| Integer to Roman | Medium | 70.5% | 28.2% |
| Roman to Integer | Easy | 66.3% | 28.2% |
| Masking Personal Information | Medium | 54.1% | 28.2% |
| Basic Calculator | Hard | 46.6% | 28.2% |
| Shortest Distance to Target String in a Circular Array | Easy | 50.6% | 28.2% |
| Maximum Number of Non-overlapping Palindrome Substrings | Hard | 43.3% | 28.2% |
| Backspace String Compare | Easy | 49.8% | 28.2% |
| Encode and Decode TinyURL | Medium | 86.6% | 28.2% |
| Valid Palindrome | Easy | 52.8% | 28.2% |
| Using a Robot to Print the Lexicographically Smallest String | Medium | 62.5% | 28.2% |
| Lexicographically Minimum String After Removing Stars | Medium | 51.0% | 28.2% |
| Minimum Window Subsequence | Hard | 43.8% | 28.2% |
| Count Vowel Substrings of a String | Easy | 72.9% | 28.2% |
| Longest Substring Of All Vowels in Order | Medium | 51.6% | 28.2% |
| Sort Characters By Frequency | Medium | 75.1% | 28.2% |
| Time Based Key-Value Store | Medium | 49.7% | 28.2% |
