This Repository contains Session for some Algorithms and Tips & Tricks for PS and CP
If you want some templates for algorithms in CP you can use mine
If you want a good roadmap for practicing problem solving, use Mostafa Saad's Junior sheet, and try Weal Ahmed add-on to make it easier
If you don't know what competitive programming is, head to this channel and start practicing now!
You also can get alot of materials from Assiut Material's Sheet