10. Longest Happy Prefix (HASHING)

[Debashish-hub]

Contribution Guidelines for this question-

• Languages available: C++, Java, Python
• Well Commented Code
• In the starting, add a brief explanation of the algorithm
• if possible, add time and space complexity
• kindly upload your code in -> Language (C++, Java, Python) Folder
• NO PLAGIARISM

Also, watch this video and the README section before contributing to the project.
https://youtu.be/qXeaN_ZVVIc

[akash-rajak]

@Debashish-hub can i work on this issue in c++ language?