6 kyu
Math challenge #3 [Medium]
69 of 81goldenratio161
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Mathematics
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Thanks for correcting the test cases. I was wondering what on earth happened with my calculations!
I had to view the solutions to understand part of this so I need to work on my calculus
I've taken the liberty to fix the open issues and suggestions. A JS translation was added in the process. Enjoy :)
on behalf of everyone, thank you!
The description should use katex to increase readability:
=>
Let f(n)=∫0n⌊x⌋x⌈x⌉dx
done
oh no, my solution is wrong :P
changing it now
EDIT: changed, is it better now?
Example tests are still wrong.
The last two sample tests need to be changed :
n_vals = [[1, 0], [2, 3], [3, 18], [4, 60], [5, 150], [342, **420115062**], [56753, **386209565**]]done
Is the reference solution correct? My solutions passed 25 tests including some big ones, so I'm not sure what could be wrong... (I can't see the spoilers.)
I'm in the same boat. I'm pretty sure I have the right formula but only pass around 30 large tests.
same. Even following along with the "video" the author describes, my solution passes around 30 per run.
I believe the reference solution is currently broken. It does not apply the modulus correctly, so it often produces wrong answers for large inputs.
The reference solution is broken. ( The large fixed tests are as well. ) This has been raised as the spoiler issue.
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yup, I definitely made a mistake
but what is
∫₀ⁿ?∫0n
Oh, it's the integral from
0ton! I honestly absolutely didn't read that in it.mauro-1, just curious, how do you type that using "math" font?
Please see Docs, on
MathMarkDown. Duh Innernet at large has even more documentation on that. It might be called Katex.Link: https://docs.codewars.com/references/markdown/extensions#math-typesetting
f(n) = ∫₀ⁿ ⌊x⌋x⌈x⌉ dx
f(n)=∫0n⌊x⌋x⌈x⌉dx
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no you're good reference solution was just wrong :P
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