| Minimum Remove to Make Valid Parentheses | Medium | 71.3% | 100.0% |
| Valid Word Abbreviation | Easy | 37.0% | 95.4% |
| Valid Palindrome II | Easy | 44.0% | 92.7% |
| Simplify Path | Medium | 50.0% | 85.9% |
| Basic Calculator II | Medium | 46.7% | 84.0% |
| Custom Sort String | Medium | 72.3% | 73.2% |
| Valid Parentheses | Easy | 43.7% | 71.1% |
| Valid Number | Hard | 22.6% | 70.2% |
| Valid Palindrome | Easy | 52.8% | 69.5% |
| Minimum Window Substring | Hard | 47.0% | 68.6% |
| Longest Common Prefix | Easy | 47.1% | 66.7% |
| Letter Combinations of a Phone Number | Medium | 65.5% | 64.1% |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 63.1% |
| Accounts Merge | Medium | 60.9% | 62.4% |
| String to Integer (atoi) | Medium | 20.6% | 59.7% |
| Longest Palindromic Substring | Medium | 37.4% | 59.0% |
| Roman to Integer | Easy | 66.3% | 56.3% |
| Group Anagrams | Medium | 72.2% | 53.6% |
| Count and Say | Medium | 62.3% | 53.4% |
| Add Strings | Easy | 52.1% | 51.9% |
| Minimum Add to Make Parentheses Valid | Medium | 74.4% | 51.9% |
| Add Binary | Easy | 57.7% | 50.8% |
| Multiply Strings | Medium | 43.6% | 50.1% |
| Word Search | Medium | 46.9% | 48.3% |
| Generate Parentheses | Medium | 78.3% | 47.5% |
| Remove Invalid Parentheses | Hard | 49.8% | 47.0% |
| Palindromic Substrings | Medium | 72.6% | 47.0% |
| Group Shifted Strings | Medium | 67.7% | 47.0% |
| Regular Expression Matching | Hard | 30.5% | 46.2% |
| Expression Add Operators | Hard | 42.8% | 45.2% |
| Find the Index of the First Occurrence in a String | Easy | 46.3% | 44.8% |
| Text Justification | Hard | 50.5% | 41.0% |
| Word Break | Medium | 49.1% | 40.7% |
| Strobogrammatic Number | Easy | 47.5% | 40.7% |
| Word Ladder | Hard | 44.9% | 40.7% |
| Valid Palindrome III | Hard | 49.1% | 40.7% |
| Decode Ways | Medium | 37.6% | 39.8% |
| Merge Strings Alternately | Easy | 82.1% | 38.3% |
| Word Break II | Hard | 55.1% | 36.3% |
| Zigzag Conversion | Medium | 53.6% | 36.2% |
| Alien Dictionary | Hard | 37.1% | 35.4% |
| Wildcard Matching | Hard | 31.4% | 35.4% |
| Decode String | Medium | 62.3% | 32.0% |
| Goat Latin | Easy | 69.9% | 32.0% |
| Remove All Adjacent Duplicates in String II | Medium | 60.9% | 32.0% |
| Edit Distance | Medium | 60.2% | 31.6% |
| Length of Last Word | Easy | 58.3% | 31.6% |
| Reverse Words in a String | Medium | 55.6% | 29.9% |
| Restore IP Addresses | Medium | 55.3% | 26.9% |
| Longest Valid Parentheses | Hard | 38.1% | 26.9% |
| Integer to Roman | Medium | 70.5% | 25.5% |
| Palindrome Partitioning | Medium | 73.7% | 24.1% |
| Substring with Concatenation of All Words | Hard | 34.0% | 16.1% |
| Word Search II | Hard | 38.1% | 15.8% |
