| 1904 | The Number of Full Rounds You Have Played | Medium |
| 1910 | Remove All Occurrences of a Substring | Medium |
| 1915 | Number of Wonderful Substrings | Medium |
| 1930 | Unique Length-3 Palindromic Subsequences | Medium |
| 1935 | Maximum Number of Words You Can Type | Easy |
| 1941 | Check if All Characters Have Equal Number of Occurrences | Easy |
| 1945 | Sum of Digits of String After Convert | Easy |
| 1946 | Largest Number After Mutating Substring | Medium |
| 1948 | Delete Duplicate Folders in System | Hard |
| 1957 | Delete Characters to Make Fancy String | Easy |
| 1960 | Maximum Product of the Length of Two Palindromic Substrings | Hard |
| 1961 | Check If String Is a Prefix of Array | Easy |
| 1963 | Minimum Number of Swaps to Make the String Balanced | Medium |
| 1967 | Number of Strings That Appear as Substrings in Word | Easy |
| 1974 | Minimum Time to Type Word Using Special Typewriter | Easy |
| 1977 | Number of Ways to Separate Numbers | Hard |
| 1980 | Find Unique Binary String | Medium |
| 1985 | Find the Kth Largest Integer in the Array | Medium |
| 1987 | Number of Unique Good Subsequences | Hard |
| 2000 | Reverse Prefix of Word | Easy |
| 2002 | Maximum Product of the Length of Two Palindromic Subsequences | Medium |
| 2011 | Final Value of Variable After Performing Operations | Easy |
| 2014 | Longest Subsequence Repeated k Times | Hard |
| 2019 | The Score of Students Solving Math Expression | Hard |
| 2023 | Number of Pairs of Strings With Concatenation Equal to Target | Medium |
| 2024 | Maximize the Confusion of an Exam | Medium |
| 2027 | Minimum Moves to Convert String | Easy |
| 2030 | Smallest K-Length Subsequence With Occurrences of a Letter | Hard |
| 2038 | Remove Colored Pieces if Both Neighbors are the Same Color | Medium |
| 2042 | Check if Numbers Are Ascending in a Sentence | Easy |