I tried to think about an iterative solution to this, but I couldn't. I guess that's ChatGPT's work to do (it told me to just simulate the recursion in a while loop but I'm too lazy to do it).

I wrote a cli for myself, which can get problem, manufact code template, and test automatically.

what program do you have running for the docs? or did you manually enter it?

Clever approach

Nice to see generating functions in the wild.

How is this possible?

yep, a little tool.

a solver bot for CodeWars KATAs ?

fixed

this is caused by the fact that the haskell block's language tag is misspelled as Hakell

oh ok, nevermind it then

Yes, because I wrote a local script to test my code automatically,
that why I commentsextern const double Pi to make sure the code runs well
in my local enviroment.

Good idea. Reminds "mean filter". looks effective for n >> 3 (100,500 ...)

that means you call acos() every time you want to get the value of Pi :/

Couldn't remenber why I wrote those codes now.