The Artists | Think Like A Coder, Ep 5

The adventure continues! Episode 5: Ethic and Hedge arrive in the 198forest in search of the second artifact. Can they sneak past the guards to get to the tower?
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This is episode 5 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles.
Lesson by Alex Rosenthal, directed by Kozmonot Animation Studio.
Supported by Endless: endlessnetwork.com
A special thank you to the programmers who assisted in the development of this series: Eric Wastl, Sara Kladky, Ryan Harvey, Dan Bernier, Eden Girma, Matt Gruskin, and James Griffith.
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View full lesson: ed.ted.com/lessons/the-artist...
Thank you so much to our patrons for your support! Without you this video would not be possible! Brandy Jones, Shawn Quichocho, Gi Nam Lee, Joy Love Om, Miloš Stevanović, Ghassan Alhazzaa, Yankai Liu, Pavel Zalevskiy, Claudia Mayfield, Stephanie Perozo, Joe Giamartino, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Andrés Melo Gámez, Renhe Ji, Ka-Hei Law, Michal Salman, Peter Liu, Mark Morris, Catherine Sverko, Misaki Sato, Tan YH, Ph.D., Rodrigo Carballo, SookKwan Loong, Bev Millar, Merit Gamertsfelder, Lex Azevedo, Noa Shore, Taylor Hunter, Kyle Nguyen, MJ Tan Mingjie, Cristóbal Moenne, Goh Xiang Ting Diana, Kevin Wong, Dawn Jordan, Yanira Santamaria, Prasanth Mathialagan, Savannah Scheelings, Susan Herder, Samuel Doerle, David Rosario, Dominik Kugelmann, Siamak H, Tracey Tobkin, Dwight Tevuk, Anthony Kudolo, Mrinalini and Yanuar Ashari.

[@TEDEd]

The quest continues! Ethic, Hedge, and Octavia must find a way to cross the bottomless ravine to get to the tower. Can they make it before the guards return? Find out with episode 6: bit.ly/TLACEp6 And make sure you don't miss another episode by subscribing and smashing the bell!

[@ZBreezee-nb2rl]

Everybody Gangsta' till they see the laser eyes

[@aditi_05]

Awesome video! I was thinking when the next episode would come out just today! Actually I came up with the 5th solution shown in 3:29 .. I'm happy I could think of the right answer!

[@satwiksahu486]

Can't Hedge carry Ethic over the gorge like earlier?

[@igorbakker8697]

@@satwiksahu486 yeah

[@misterbrick4276]

Nice addition of Luigi!

[@timjack129]

Honestly, I'm just here for the plot.

[@twitterusersarefreakingstu2200]

Same.

[@nicholaswilliams6475]

Yeah me too.

[@moonlitalks]

sameee lol idk how to solve those

[@strengthcoachsc8669]

I'm both in here for the story and for the riddles since i know how to code a little

[@karthikeya8498]

I'm here for the music

[@connorherron8607]

198forest... 1984est. "1984", like the Orwell novel. Clever. Unless it's a programming pun.

[@anilthale1927]

I don't understand Can someone explain?

[@afields]

@@anilthale1927 1984 (Nineteen Eighty Four), the novel by George Orwell, is a well known dystopian novel. This coding series is set in a dystopian society.

[@anilthale1927]

Ok

[@witheredbonnie9268]

Pearl Fields I get it

[@rifwann]

damn.. as a nowadays teenager i dont have much literature knowledge..

[@eliotlong5184]

"Original Series by TEDEd" ooh I just got chills

[@twitterusersarefreakingstu2200]

Hedge: (Can float.) Also Hedge: (Worries about falling into the gorge despite the fact he can fly.)

[@andromedaaffs]

It is specified that Hedge is out of fuel for Ethic to pass over the ravine.

[@twitterusersarefreakingstu2200]

True. But I made that comment before episode 6 came out.

[@nikkifranz1]

At episode 5, Hedge can carry a can of paint, then why can’t in episode 6 Hedge can’t just carry The Node Of Creation to Ethic?

[@jiazeng6485]

Lol

[@nobody08088]

@@nikkifranz1 the node is heavy

[@irage7293]

Everyone: 'I'm just here for the plot and animation." Me: "No man I'm here for Luigi."

[@ean627]

XD i saw that picture

[@GTheMiniBoss]

You saw him too?

[@DefinitelyNotaFurrySpy-zq2zs]

Luigi wins by doing absolutely nothing Except painting a self portrait

[@friendlyyoutubecommenter4527]

@@DefinitelyNotaFurrySpy-zq2zs No, he got someone else to do it. He did it by doing absolutely nothing.

[@sirdop5793]

Yep that picture was great

[@user-dm2jj7mp3u]

Don’t mind me, I’m here for the animation

[@minipinkcrewmate9556]

All of us are

[@marble228]

Same like an egg

[@thegogreenteam7384]

Haha I try to solve the puzzles but i usually skip to the animated parts too

[@swikritihazarika8533]

Last time i was this early, ethic was still in prison.

[@yanlinglin3261]

swikriti hazarika that’s smart

[@IsaArts2930]

1:40 _Its him_ *_Luigi_*

[@clairezz]

Ye I saw

[@isableye7164]

*1:43

[@ananthirajesh2544]

Ye has awakened the ancient one

[@xavierbradford5528]

Yes

[@timidtrembling6515]

also Zangief at 0:54

[@wingsatup1]

Ted Ed - let's talk about coding. Comments - That painting......

[@chugiakjrtheplaywwright6461]

1:42 When the locals are obsessed with self-portraits, but you're just looking for your bro.

[@goldengifts3830]

IT S LUUUIIGIIIIII

[@asher-360]

it is luigi tim e

[@ashutoshmahapatra537]

Is there anything better in this world than Ted-ed doing animation and explanation for a topic? No there is not. This is a universal statement.

[@smolchub5384]

Ok so wait, Octavia fell into the bottomless pit, but she’s just fine?

[@thankyouverymochi]

SmolChub she got that plot armour, if she died there, no one can help the protagonist, and the anime would end rightaway. I mean the animation, not anime

[@misterbrick4276]

Well the main reason that people die when they fall off buildings is because they hit the ground. That doesn’t exactly work here.

[@mafumafusnumberonefan]

I mean it’s bottomless.

[@staceytetzlaff2822]

No, the guard robots captured her we see her again in the last episode

[@nsharma701]

I would like to think that Octavia was lucky enough to catch a tree root mid-fall, and climb her way back up. But it was most likely that an "emergency responder bot" (I forget the slang term) detected her predicament and caught (rescued) her. If the robots can't provide any emergency response, then the people in this fictional future are doomed...

[@nathanjxaxson]

Painting the diagonals is the optimal solution because it performs the least math and the least traversal. Repeat N times: Paint, move down, move right Paint, Move up n - 1 times Repeat N times: Paint, Move left, move down Paint, Done

[@bravomike4734]

My exact thoughts. Also for people that didn't exactly get it and are about to say we can't move diagonally, we can't move diagonally directly, here we're moving diagonally by moving 1 pixel right then 1 pixel down and reversed for the painting another diagonal line.

[@yichern4351]

Slight correction, for your first line, it will have to be repeat (n-1) rather than repeat n times

[@TheRMeerkerk]

@@yichern4351 n times seems fine to me

[@TheRMeerkerk]

@@yichern4351 oh wait I see it now, if you repeat the first line n times, then you will have painted the first diagonal, but after the last one you will move out of the picture. The same can be said for the third line

[@vasudevraghav2109]

@@yichern4351 True👍

[@runkku3127]

I wait for these more than I wait for my paycheck

[@kylayeet4783]

if you pause at 1:42 there’s a painting of Luigi. And because the paintings at the art sanctuary are paintings of peoples faces, does that mean Luigi is there!? 🤯🤭😱

[@ivangalazo1496]

I admit I'm not here for the programming stuff, I just want to know how the story would turn out

[@youtube.com-handle]

late submission, lots of bugs "Features", and customer demands updates. Press Any key to continue...

[@DuoVersal]

Ivan Galazo same

[@user-uz2eb1zu5w]

Me too!^^

[@zachos-un6py]

I honestly think that people who use KZbin for the educational content and not just gaming let's plays or makeup tutorials/vlogs, are probably the type of people who would already know most of the basics to coding, I'll bet you that even though I've heard from a documentary that only around 1% or maybe it was 0.3% of the world's population knows how to code, I'm guessing that at least around half of ted-ed's subscribers already know most of this stuff

[@georgeliang4800]

Same!!!

[@afields]

You know what I enjoy? The really intriguing story and the DIVERSITY and how each character that has been animated have different faces. Like... *chef's kiss* yes.

[@friendlyyoutubecommenter4527]

And Luigi.

[@stormysamreen7062]

The thumbnail is pure meme content

[@nathantredwell8313]

1:41 Luigi is a canon character in this series

[@miku2389]

why did they put Luigi up there in the video ??

[@shmeleos3662]

@@miku2389 why not?

[@miku2389]

@@shmeleos3662 I ok with it i just got confuse that all

[@leahmaghinang1612]

Thumbnail: when you see a new Ted Ed upload

[@frederickjason2964]

Underrated comment

[@barrotem5627]

So awesome ! I enjoy every episode. Thank you so much ! I was thinking about this more like a 2D Array, which made me solve this completely differently - drawing one diagonal at the beginning and the second only after the first is complete. Thanks again !

[@m77dfk]

Excellent observation, and that will be a better solution to the problem in terms of speed of operation. To see why, consider this: In each operation, hedge can move just 1 unit horizontal or vertical. If he does a spiral pattern on a 'n by n' square, he would have to move along the 3 corner edges of the square to encounter all the corner squares exactly once. In this process, he has moved 3*(n-1) number of times. Now, to complete the whole cross, he has to also similarly paint the 4 corners of all the smaller squares lying inside the large square. Turns out that the total no. of operations he has to do is 3(n-1)(n)/2 + 2(n-1) (😨 very complicated! If he moved the way you discovered, i.e stepping down the staircase to paint one diagonal first, and doing so again with the second, he would take exactly 2 operations to go from one square to the next (⬇️ + ➡️ = ↘️). In total he would require 2(n-1) steps for each diagonal, and another n-1 to move from end of the first diagonal to beginning of the first. In total: 5(n-1). Now if n is small, both the cases are almost equally fast. But with a large n ( mega sized artwork) like n=100, the spiral case would take 7623 (😱😱) operations, whereas the stepping down algorithm requires only 495! This is an insight on why proper planning and optimization is so essential in programming. A clever algorithm could make the same game run 10times faster with the same cpu!

[@barrotem5627]

@@m77dfk YAY ! Ty ! :D

[@nzdamon]

yeah! I love those episodes also!

[@jerry3790]

1:42 Luigi?

[@maxlorenzosmolberry221]

luigi

[@maitreyagpatel]

loogi

[@Hqrwey]

This series are my favourite ted-ed videos

[@AK-tc1wq]

Honestly, this was a tough one !

[@user-zu6ts5fb6g]

Not really, this is a problem that can be bruteforced, _finding_ the second solution was a little hard though

[@divyangparmar3809]

I got directly second solution.

[@fresch4395]

Well they are all kinda tough if you never dealt with something like that. I had to do exactly this in university, with different kinds of rosters. Like checkerboard, only corners which would form an X, all kind of letters and numbers, smiley and so on. In an unkown size of roster of up to a size of 1000. It was meant as practice for loops and arrays

[@manaswinisimhadrikavali1445]

i mean the first thing youd learn when you start learning to program is to find the logic it in a way will be easier for those who have already dealt with such problems so if youre new to it, it is pretty hard to think of it's more of you knowing how it works and knowing the concept of looping

[@aquakelite5748]

I love the part where it drew a smiley face :)

[@au9369]

I’ve been waiting for this for EVERRRRR.

[@twitterusersarefreakingstu2200]

Same.

[@bhoomiv7879]

Man i was waiting for this episode for so long.

[@idotical]

now for #6!

[@tzwacdastag8223]

0:00 Intro Is A Masterpiece

[@tzwacdastag8223]

After A Long Wait, Thank You Ted Ed

[@prometheus7387]

This is epic. I'm not going to binge on them.

[@schrodingersman9405]

My solution was: 1)Start from the topmost leftmost box. 2)Paint red. (Loop starts) 3)Turn right. If yes(I mean if possible), 4)Turn right(I mean come down). 5)Paint red If no, 6)Go to the bottom leftmost box. 7)Paint red. 8)Go to Step 3, But if no, 9)End Programme. The only problem is I do not know if this is correct and efficient. So if wrong feel free to correct me. BTW this programme is truly amazing,it makes me eagerly wait for each and every episode and solve the problem in my way. This programme generated immense interest in me towards computer programming.

[@ritodey]

This was the first code I was able to break.

[@hyewonlee7534]

The animation is simply amazing! Wow....

[@qwertyuoip1234]

Do you ever feel like you should be paying to watch these videos?

[@allergictosanity]

please don't give them any ideas

[@cateatinrat78]

Noo keep them free. Why do we have to pay for everything :'(

[@Tamizushi]

If you can spare the money, then please do. They have a Patreon page. It's in the video description. It would definitely help them keep more content coming.

[@sleepysartorialist]

I already pay for youtube so technically I am. ¯\_(ツ)_/¯

[@Rainbowmon]

~1:41 GWAHAHAHAHAHAHAHA!!!!!! I WAS *NOT* EXPECTING THAT CAMEO!

[@SergioBobillierC]

This one was actually worth the coding. Specially because you cannot move diagonally, so doing x += 1 and y += 1 is theoretically not allowed. Great as always TED ;)

[@blzKrg]

The animation is ❤️

[@NileshKumar-gu2ti]

This is the best way to learn anything. I hope schools start following this method to teach any skill. Best series ever watched please continue it till whole courses

[@asher-360]

1:41 Guess they like Nintendo

[@kanishkasalunke5447]

Finally i was waiting for so long for the next episode

[@tzwacdastag8223]

Appretiate The Hard Work of Ted Team

[@sinhapriyanka1]

Truly one of the best work by you guys

[@suapanpina]

Literally no one: you gotta do something with a different idea Ted Ed: haha loop go brrrrrr

[@bugglest0n]

Man I I thought you were going to introduce recursion with those recursively smaller squares

[@prithvirajb1953]

Yeah I thought that too but it's too advanced at such an early stage

[@user-vn7ce5ig1z]

Except that they actually did demonstrate recursion, they simply failed to use the term. 🤦

[@bugglest0n]

@@user-vn7ce5ig1z not quite. They used iteration with a carried over variable rather than truly recur and have the function call itself.

[@nameredacted9119]

- Yeah recursion would have the base case and recursive loop with the method call, they basically did a worse longer version

[@tracydu8052]

Well, recursion is now being used

[@bigbreasts]

Finally a new ep. I just love these videos. It makes me feel like when I used watch a season of cartoons but I couldn't know what happens next until the TV channel released the new ep.

[@mahmoudzango3299]

I need to learn how to make aminations and also code. Thank you TED-Ed for your motivation!

[@justingeisen4169]

My method was different than the two that were described. I created the two diagonal lines separately, because I didn’t know if the robot knew how to navigate to squares like a coordinate grid. I treated the robot like it could only move a single square at a time. Fantastic series! Keep it up!

[@ujjwalbiswas1953]

Waited whole lot of days for the episode and it's worth it. Thanks ted ed

[@colgatetoofpaste]

Person in the thumbnail really got the anime glasses.

[@kinga2540]

People: paint pictures of themselves Painting: Shows Luigi

[@JesusMartinez-rr2ry]

I cannot wait for what happens next for Ethic and Hedge

[@egretta2863]

This series need more recognition, it's interesting, entertaining but also teaching

[@mratheimperfec1033]

As a student in Computer Science class in university, I really hope and recommend people who wanna try programming to watch this series Because when you understand the logic first, the rest is just to know the basic of language that you use (and it's also not a big of a deal as long as your logic is already set)

[@viniciusbrunelli9752]

That is one of my favorite anime.

[@fantasyshadows3207]

Yes

[@carlemmanuelhita2157]

I really appreciate these videos. As a guy studying electronics engineering, I found these really helpful and intuitive. Thanks heaps!

[@ivanotom4147]

This animation and the fact that TED-Ed is making a video about coding makes me encouraged to learn more about programming. Thanks, TED-Ed!!

[@niharbansal4209]

Guys, I was waiting for this episode! It took a great time.

[@monke1172]

Best ep of series till now

[@gamingwithlex2746]

I was waiting for this, and now you released it ☺.

[@b2bb]

Would have been a good episode to introduce recursion ;)

[@jasmera9889]

Great series. Thank you

[@thetravelingmonkey3930]

"People forgot the point and just started painting themselves" So is Luigi there!?

[@lovell8983]

Last time i was this early, Ethic hadn't awaken yet

[@holliisixx]

I love the subtle allusion to social media/"selfies"

[@KnakuanaRka]

Actually, it would be pretty easy to write the typewriter solution to this one in a consistent manner if you use math to determine what pixels can be painted instead of dealing with all that skipping. Try something like this (assuming the pointer starts at the upper left corner pointing right): Int size = grid size For (i = 1 to size) { //For each row... For (j = 1 to size) { //For each square in that row... if (i equals j or i + j equals 2 + size) { paint //Math to determine if we’re on a diagonal. } forward //Move to next square } left // Turn around and go back to the start of the row left For (j = 1 to size) { forward } left //Go down to the next row forward left }

[@riceballanimations7626]

When I watch this series I love the sounds, the plot and the question/riddle! Hedge is so cute! Ethic is so rebellious! Octavia is so perseverant! This is what humans should be like.

[@andreranulfo-dev8607]

I'm here for the plot and the programming. Coding is life!

[@x_cross9248]

1:41 IS THAT LUIGI?!

[@paritoshjha28]

Seeing ted videos is always worth watching 💙

[@murtuzaalisurti]

It's amazing... Love you Ted Ed

[@kartikxramesh]

Wow this was so well made! Love it!

[@thewilltheway]

I wish my projects were this straight forward but here I am trying to make a neural net.

[@mashelauma5027]

Now Ted Ed is heaven sent! I love these series!

[@therealhippo]

The thumbnail looks like an anime shot

[@nevereverr]

Hey I actually got this one right when I thought of how to spiral method would work! Mostly came for the animation buut I like the learning as well

[@bhrgv_rm]

Honestly, I figured out the spiral method before the hint revealed. This is the first time for me in all the 5 Ep's.

[@ahmde]

These are fantastic.

[@sketchyskies5292]

I cant wait to see how this turns out

[@sleepysartorialist]

1:05 y’all taking a dig at Instagram there I see 🤣

[@Qawa]

Couldn’t you just.. you know.. X = length of sides Then do the above loop but going mirrored this time. Left one down one.

[@kenjidayan7579]

ThisGuyOffTheInternet yeah that was one of the 5 solutions they showed

[@yuxin7440]

My initial thought was like this: for i in range(n): for j in range(n): if (i==j or i+j==n-1): paint(i, j) But that spiral pattern is also a interesting and elegant solution. And it can be a recursive solution. def paintFunc(n): if (n==1): paint() else: paint() Forward(n-1) TurnRight() paint() Forward(n-1) TurnRight() paint() Forward(n-1) TurnRight() paint() Forward(n-2) *TurnRight()* # Final turn *Forward(1)* # Go inward by 1 paintFunc(n-2) I think it will be a good way of introducing recursion. EDIT: Thanks Tengux for pointing out the bug here. I typed this solution on my phone right after I watched this video and honestly forget about the final turn and going inward.

[@abhijiths5237]

I also had the idea of using matrix and painting the pixels where the row no=column no(i=j)

[@pepperoniboy57]

Piton

[@TenguWolf]

You got a slight bug in your pseudo-code there. You forgot to move inwards at the end before you call your recursive function again, that would translate to a TurnRight(), Forward(1) right before your recursive function call if you want to give the complete solution :) Your poor robot is gonna try to paint out in the middle of nowhere. That is a very nice example of recursion though, I would have to agree.

[@pepperoniboy57]

@@TenguWolf no thats python code

[@yuxin7440]

@@TenguWolf Thanks for pointing out the bug, I just fixed it

[@ItsMePhoebe]

Love this series!

[@rheyse2721]

see, the thing about series like this is you hate it when you get up to date so see you in a few months when there are more episodes

[@hylaneric916]

10Ep is too short T^T

[@user-ik6ok4hg1b]

I love this show😍

[@jakepalermo9181]

Wait if these are self-portraits does that mean Luigi found a warp pipe to this place (1:43)?

[@nwong1182]

More the plot gives me chills

[@Common9935]

When can Episode 6 be released? I'm very looking forward to watch the next!!!

[@ordinaryshiba]

0:54 zangief painting

[@tabcat]

This reminds me a lot of Logo and turtle graphics from way back when. The programmer would instruct a "turtle" to move across the screen, drawing as it went, kind of like a digital Etch-A-Sketch. People used to draw amazing things with it. I remember one guy drew a very detailed portrait of Einstein.

[@goodBEan]

1:41 I see luigi. I'm telling nintendo.

[@qwertyuoip1234]

I haven’t seen this yet but it looks amazingly good.

[@GamingKing-jo9py]

Like this: Define line For i in range(1,length): paint() move(1) turn(90) move(1) turn(-90) Won't do more too lazy rn

[@happybug8216]

I just getting addicted for the opening music 😂

[@Learn........]

Animation - 👌👌😊😊💯💯 Story and thinking capacity - 👌👌👌👌👌👌👌☺️☺️☺️☺️☺️💯💯💯💯💯💯

[@ramprasath219]

Awesome!!!

[@gumus439]

I love this series. Bu arada animasyonu yapanların Türk olduğunu bilmek güzel bir gurur.

[@lukecoone4095]

1:42 I guess Luigi is one of the arrogant people who just paint themselves.

[@ssebinnnyy]

The spiral and typewriter solutions were nice but I was thinking more of a double dimensional array which would have made it solve easier. Just put 2 for loops which goes through each position of array and if the array position is the one you desire then using if statement color that