Here are my template codes for Competitive Programming with optimised implementations of various algorithms. I personally use them every day and have tested almost all of them in multiple competitive programming contests and practice problems
git clone https://github.com/priyansh19077/cp-templates.gitA collection of competitive programming algorithm templates in C++. Each file is self-contained — copy any function directly into your solution without needing external boilerplate.
See CONTRIBUTING.md for how to add new algorithms and tests.
Priyansh Agarwal — YouTube Channel