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Alfonso Nieto-Castanon

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Alfonso Nieto-Castanon submitted a Comment to Problem 42418. Divisible by 16

perhaps less interesting but I guess you could do the same with powers of 5, iff the last X digits of a number are divisible by 5^x, then the entire number is divisible by 5^x...

on 29 Jun 2015 at 21:19

Alfonso Nieto-Castanon submitted a Comment to Problem 42418. Divisible by 16

@James: nice trick! (and I guess the proof arises from 10^x being always exactly divisible by 2^x, so "iff" also applies?)

on 29 Jun 2015 at 18:22

Alfonso Nieto-Castanon submitted Solution 691757 to Problem 1910. Blockland

on 26 Jun 2015 at 1:44

Alfonso Nieto-Castanon submitted Solution 691755 to Problem 1910. Blockland

on 26 Jun 2015 at 1:41

Alfonso Nieto-Castanon submitted Solution 691719 to Problem 1910. Blockland

on 25 Jun 2015 at 21:29

Alfonso Nieto-Castanon submitted Solution 691716 to Problem 1910. Blockland

on 25 Jun 2015 at 21:23

Alfonso Nieto-Castanon submitted Solution 691714 to Problem 1910. Blockland

on 25 Jun 2015 at 21:21

Alfonso Nieto-Castanon submitted Solution 691672 to Problem 1910. Blockland

on 25 Jun 2015 at 19:19

Alfonso Nieto-Castanon submitted a Comment to Problem 42405. Divisible by 3

I understand the java restriction, but the rest seem a bit heavy handed. Also the large number of similar problems might encourage solvers to build a general "divisible by n" routine instead

on 25 Jun 2015 at 16:15

Alfonso Nieto-Castanon submitted a Comment to Problem 1910. Blockland

Finished rescoring now. Let me know if you run into any issues

on 25 Jun 2015 at 7:50

Alfonso Nieto-Castanon submitted Solution 329490 to Problem 1910. Blockland

on 25 Jun 2015 at 4:56

Alfonso Nieto-Castanon submitted Solution 329247 to Problem 1910. Blockland

on 25 Jun 2015 at 4:53

Alfonso Nieto-Castanon submitted a Comment to Problem 1910. Blockland

This problem is being rescored now. Please do not submit any new solutions while this problem is rescoring. I will update with a new message here once the process is done and it is again safe to submit new solutions. Thanks!

on 25 Jun 2015 at 2:28

Alfonso Nieto-Castanon liked Solution 690531

on 23 Jun 2015 at 18:57

Alfonso Nieto-Castanon submitted a Comment to Solution 690285

Thanks for catching that! I modified the testsuite to fix this but will not rescore this solution (I am trying my testsuite to *only* pass solutions that will get a zero score in Cody as well; it is a bit hard to do that without being too heavy handed and/or interfering with the ways solvers might get that zero score)

on 23 Jun 2015 at 15:37