Hello everyone!
Mathematics is very important, So I created this simple training that contains 200 Problems "Math"
Difficulty of problems from 1200 to 2100
Group link: Math Problems
Group ratings
Some other trainings
Welcome all suggestions for improving training
Good luck everyone!
Great initiative!!
If you have another groups like these, please type this comment, T U!
parce, here is another one that I just discovered https://codeforces.com/blog/entry/82143
Thanks