| Longest Common Prefix | Easy | 47.1% |
| Implement Trie (Prefix Tree) | Medium | 69.2% |
| Search Suggestions System | Medium | 65.2% |
| Top K Frequent Words | Medium | 60.0% |
| Shortest Uncommon Substring in an Array | Medium | 50.0% |
| Word Search II | Hard | 38.1% |
| Palindrome Pairs | Hard | 36.9% |
| Map Sum Pairs | Medium | 57.1% |
| Word Break | Medium | 49.1% |
| Word Break II | Hard | 55.1% |
| Design Add and Search Words Data Structure | Medium | 48.1% |
| Lexicographical Numbers | Medium | 76.2% |
| Maximum XOR of Two Numbers in an Array | Medium | 53.4% |
| Concatenated Words | Hard | 49.7% |
| Replace Words | Medium | 68.6% |
| Longest Word in Dictionary | Medium | 54.5% |
| Number of Matching Subsequences | Medium | 50.6% |
| Stream of Characters | Hard | 51.9% |
| Remove Sub-Folders from the Filesystem | Medium | 78.6% |
| K Divisible Elements Subarrays | Medium | 54.8% |
| Extra Characters in a String | Medium | 57.3% |
| Minimum Cost to Convert String II | Hard | 59.7% |
| Encrypt and Decrypt Strings | Hard | 38.0% |
| Find the Length of the Longest Common Prefix | Medium | 57.0% |
| Sum of Prefix Scores of Strings | Hard | 60.8% |
| K-th Smallest in Lexicographical Order | Hard | 46.2% |
| Delete Duplicate Folders in System | Hard | 77.7% |
| Short Encoding of Words | Medium | 60.8% |
| Count Prefix and Suffix Pairs II | Hard | 28.0% |
| Count Prefix and Suffix Pairs I | Easy | 77.8% |
| Implement Magic Dictionary | Medium | 57.7% |
| Camelcase Matching | Medium | 65.0% |
| Number of Valid Words for Each Puzzle | Hard | 47.7% |
| Distinct Echo Substrings | Hard | 52.9% |
| Maximum XOR With an Element From Array | Hard | 57.5% |
| Words Within Two Edits of Dictionary | Medium | 61.7% |
| Longest Common Suffix Queries | Hard | 35.8% |
| Prefix and Suffix Search | Hard | 40.8% |
| Partition String | Medium | 58.6% |
| Maximum Genetic Difference Query | Hard | 46.4% |
| Minimum Number of Valid Strings to Form Target I | Medium | 21.7% |
| Count Pairs With XOR in a Range | Hard | 46.3% |
| Maximum Strong Pair XOR I | Easy | 75.9% |
| Maximum Strong Pair XOR II | Hard | 32.2% |