I request @admin to make question tagged related to topics they are belong to as it will be easier and more handy to prepare for a particular topic to practice with .
Also we should have a copy button to copy given test cases this will save time during contest and easy for us to debug our program .
First idea is good, but if you want tags you can always go to Codeforces read the comment below
But a copy button will save you, what, two seconds?
Codechef already has a tagging option-
You can view all problem tags here
They mostly are
So…WELL DONE, SIR