| Status | Title | Video | Leetcode | Solve | Difficulty | Companies | Topics |
|---|---|---|---|---|---|---|---|
| 3329. Count Substrings With K-Frequency Characters II | Solve | Hard | - | ||||
| 3337. Total Characters in String After Transformations II | Solve | Hard | - | ||||
| 3351. Sum of Good Subsequences | Solve | Hard | - | ||||
| 3369. Design an Array Statistics Tracker | Solve | Hard | - |