This project is contains data structures and algorithms relevant to competitive programming problems. Some of these data structures can be used with a copy/paste. Others may need tweaking or modification for custom use.
The package src/videos contains all code relevant to the youtube videos on https://www.youtube.com/channel/UCRPMAqdtSgd0Ipeef7iFsKw
My Quora account has answers for FAQs for Competitive Programming. https://www.quora.com/profile/Gaurav-Sen-6
Feel free to contribute, fork and discuss the code here on Github, the channel or Facebook (https://www.facebook.com/gkcs0).
Cheers!