Search found 4 matches

by elmarko
Thu Apr 11, 2019 8:47 pm
Forum: Challenges Solved
Topic: Steganographic
Replies: 11
Views: 1654

Hmm. Not really sure this was a steg challenge...

I spent so fucking long on this :<
by elmarko
Sun Mar 17, 2019 4:55 pm
Forum: Challenges
Topic: Filtration Residue
Replies: 24
Views: 43524

ahh man, I've got so far with this. I've spotted the clever trick and found the hidden data inside, and I'd already used a tool eluded to earlier (always do with PNG puzzles) to look at the chunks, but nothing is leaping out at me. I must use the data I've found in the file now somehow, but I got no...
by elmarko
Sun Mar 17, 2019 12:11 pm
Forum: Challenges Solved
Topic: One Minute Man
Replies: 39
Views: 4540

One liner:

watch -t -n 20 "curl http://www.hacker.org/challenge/misc/minuteman.php >> output" &

20 secs just so I didn’t miss it

Then ran uniq on the output
by elmarko
Wed Jun 13, 2018 10:52 pm
Forum: Challenges Solved
Topic: Valuation
Replies: 103
Views: 9366

Easy bit of python:

Code: Select all

string = "*snip*”
l = list(string)
position = 0
sum = 0
while (position < len(l)):
    if (l[position] == "x"):
        del(l[position])
        position -= 2
    else:
        sum += int(l[position])
        position += 1
print sum