Discussion @ 1404. Easy to Hack! @ Timus Online Judge

Online Judge	Problems	Authors	Online contests
About Online Judge Frequently asked questions Site news Webboard Links	Problem set Submit solution Judge status Guide	Register Update your info Authors ranklist	Current contest Scheduled contests Past contests Rules

back to board

Discussion of Problem 1404. Easy to Hack!

test for wrong #14

Posted by Bahodir | TUIT | 20 Jan 2015 18:11

test for wrong #14:
input
a
h
output
v
c

Re: test for wrong #14

Posted by Nokard 18 Mar 2018 02:49

Hm. Let's try to encrypt this output:

v -> 21 + 5 = 26 mod 26 = 0 -> a;
c -> 2 + 26 = 28 mod 26 = 2 -> c;

So, the correct input must be "ac".

P.S. "ah" decodes to "vh".

Edited by author 18.03.2018 02:50