Solving the Minetest Hardware Challenge from the Google CTF 2019 Qualifier.
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hatuankhang90@gmail.com
If you liked this video, maybe checkout this related video: https://www.youtube.com/watch?v=PQPO5Z4lVTU&list=PLhixgUqwRTjzzBeFSHXrw9DnQtssdAwgG&index=14
Wouldn't your approach break completely, as soon as you put a single SR-Latch/Flipflop in there? I mean this is a pretty dumb circuit – if I change it so you have to put in 3 codes in the where one lever is like an "apply", your recursive function wouldn't have it so easy anymore
How much time you need to solve a challenge like this?
What the fuck is this??..is this really real world hacking??..or youtube misguided me??..if this is real world hacking its disgusting..
I like how the red dot from 9:30 and on is from the intro
I'm here from the hardware world. Hello earthlings.
I hope, we'll get a clone, which will be better, than Minecraft.
When he say fuckkkk that literally killed me😂
You're german?
We had Z3 in school when learning reasoning and logic, pretty handy
Mindblown
holy shit
Nice video, really inspiring for people who want to find bugs.
I wonder if you can kubectl to this cluster.
13:33 hey, if you get access to the host, you can use strace to trace the container processes pid.
6:42 this is why you never let programmers name stuff
Are you German?
Can you speak/write/understand German?
Well this is a weird Minecraft lets play.
Jk, loved this episode really 🙂
it should be a worldwide worst punishment ever to have to solve this by hand.
And now I'm modding in Minetest
pReTty sTraIgHtfOrWaRd CHaLlEnGe
Man i need to try that game out, looks fun.
You can do the same thing in normal minecraft
it has been awhile since I've seen your videos.
I didn't realize who you was until I saw the intro and I was like "holy crap its this guy! I wonder how he's been?"
It's Micheal J. Fox! 😂
Ehre bist deutsch lol
Minetest looks like 1 to 1 copy of minecraft, violating copyright laws…
I have no idea what the hell you’re talking about, thank you for the video
my brain is to small for this
I love how he says boolean
I understand absolutely nothing about programming, and still watched the video and found it really interesting! I only wish I had more time to learn it.
These challenges look so much fun to complete but…. How on Earth do u Manage to solve all of that
Do you know you are the look-alike of Gonzague, a French youtuber. Its breath-taking
This dude looks like Michael Cera
So can you explain that one more time?
Jaja, wenn alle deutschen Minecraft/Minetest Genies sich zusammen tun würden hätten wir die Weltherrschaft safe 😀 Mal ehrlich Docm77 und du alleine habt mehr Gehirnzellen als meine gesamte Stadt 😀
Currently 5am and this was on my recommended. Have no idea what is happening but it was interesting😂
i think i found a faster solution (simpler to program and set up), so the output is a 40 digit string of binary representing 40 levers and which state they're in.
a 40 digit binary string has a max value of 1.099.511.627.775.
my idea is to create a program that essentially counts up in binary until the output is triggered then it stops.
you'd still need to parse it and all but the coding wouldn't be as rigorous as the maze solver you made.
in the end, im fairly sure it'd take only around 4 hours for it to reach the correct value of 984.718.500.249.
basically, neither you nor the computer really needs to know what the circuit actually does, all you need is for the circuit to be simulated and for the program to be able to tell when it's got the right answer.
disclaimer: i am not a programmer nor do i ever plan on being one, this was just an idea i had while watching and i did some googling to figure out some numbers behind it. i don't really know how hard it would be to make and im certain it'd be a lot less graceful than your solution, but in my mind it still has potential of being faster primarily due to set up and all.
I don’t have a clue what he’s talking about but it’s entertaining to watch his problem solving, nice 😀
the amount of recursion could probaply fry my laptop CPU haha or python just straigt up throws me an recursion depth error (thats what it was called right?)
Sorry. What the fuck…………
why don't you just put a binary counter on the beginning and have it send a flag back when you receive a output, you don't even have to program anything you just make the circuit get something to eat come back and its done
Michael cera but no cocaine addiction. That's what i thought when i saw your face.
Never let someone from Bethesdas echelon watch one of these videos, or their heads might experience the life-feature of spontaneous implosion.