Watch tutorials and explanations by expert teachers that walk through solving this problem.
Fisher Coder
Inside code
Aryan Mittal
Timothy H Chang
CodingNinja
Leet Logics
Programming Live with Larry
Alpha-Code
Solve more problems to master this pattern
![Dynamic programming + Math: Count sorted vowel strings (LeetCode #1641) [3 solutions]](https://i.ytimg.com/vi/_SgsB1ZhcIQ/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLBM5v8D7WbH6IdauoG4sOTUuj0qjQ)
