7 kyu
Cipher from math problem
468user9015794
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Cryptography
Mathematics
Ciphers
Algorithms
.avif)
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There are two tests that give me a float value when decrypting, even though all inputs should be valid. All tests pass except two and they both are resulting in a float when doing the reverse math of encrypting. What could be my issue here?
use x // 3 not x / 3, the first operation will return an integer value (automatically rounds it) whereas x / 3 can return a float if that is the result
Description does not specify what to do when
nis negative and can only be inferred from sample tests.Is there anything special to do then? I didn't care about that and my solution passed on first attempt, just applying the algorithm.
Issue resolved
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Approved
You approved while I was solving and about to raise duplicate issues on encryption + decryption ughhhhh....
Oh sorry, my bad then. Is this kata a duplicate?
Yeah...
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(the kata was published but got pushed to draft automatically with the second issue opened)
note: the types being different, that would be a rather different kata.
Ah OK I didn't know about that feature - I thought the link had been shared privately or something, I didn't want to intrude on someone's private draft!
Thanks,
(that feature has been introduced some days/weeks ago)
I wonder why Codewars didn't notify every user that a new feature was added
While the description does say the input will be valid, it does not clearly specify what the input may contain. It is generally understood that words are made of letters, but it should specify that there will be no special characters such as any punctuation, and in fact that all letters will apparently be only lowercase.
I changed the description. Thank you for pointing this out.
Hi,
length = random.randint(-9999, 10)=> 99% of the inputs will be empty.number = random.randint(-9999, 10)=> 99% of the transformations will be applied 0 times.Cheers
Thank you, I fixed it.
not exactly: you still ahve negative values in there =>
randint(0,100)for numberOk, changed it to
randint(-1, 31)