hacker.org

This seems to contain a typo:

+90+509+20+355+977+46+685+503+7+98+421+43+45+380+377=?

The 503 in the middle is probably supposed to be a 593.

..so the name would match the color of the small fish that are the main() ingredient of this puzzle.

[quote="adum"]i will quietly note that bass has now solved this challenge =)

adum[/quote]

Nearly silently I'll add that I'd never have found the required answer without the additional information that two people have independently reached the same result :-)

[quote="adum"] i'm pretty confident the challenge is correct because bok independently solved it without issue. [/quote] That's what I thought too. So I programmed it another way, to see where I went wrong. No help, still got the same result, (now with an extra factor of 576 in both the nu...

I don't seem to be able to solve the Tic Tac Blah challenge, so please tell me whether I have made a mistake, or if there is a mistake in the challenge itself. Here's my reasoning, which produced the non-accepted answer: A win will not turn into a draw by further plays, so any won game can be contin...

Most of the time the mortal coil program will refuse to accept anything but a single input: when you hit a corner there is only one direction to go. A sensible UI design does not force the user to give input when the input will not affect the programs execution in any way. (This gets really annoying...