I think we should have some ways to solve this situation, most of these tags are useless. It's impossible to use "fft" "interactive" in problem A and B.
For example, add tags should have the permission of the problem provider.
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Perhaps it's because some people are making fun of it, such as some xxs.
Perhaps it's a bug?
Perhaps some people overkilled?
I guess people are just adding tags randomly without thinking. I think a good solution for this is to make a voting system similar to blog/comments, and we only use the tags with at least a number of upvotes.
Please do not use "xxs" to describe people with bad behaviour. For those who don't understand Chinese, "xxs" means primary schoolers and has became metaphorical. Some people might find this offending. Remember there are primary schoolers who are already stronger than you.
you are wrong
tagforces
I found something wrong with the tags, so I solved B and C and removed the wrong tags. But these tag appeared again after minutes.
why downvotes? you're doing something good.
I heard someone has a script that can fill some problems will all tags in each 10 minutes.
This game is not fun! I hope they can stop making troubles!