How I Got Good at Algorithms and Data Structures

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#coding #programming #softwareengineering

[@michelkazi3112]

Nick, I have an insane amount of respect for you and the work you do on your channel. I dropped out of college after studying computer science for 3 years - I couldn't afford it anymore. I went through a coding bootcamp with my fees waived through an opportunity program. I still felt incompetent when it came to any sort of interview question. I was initially struggling with easy LeetCode problems and I feared I just wasn't cut out for software engineering until I watched your channel. You made it look easy and fun and eventually I got around to reviewing my data structures, reading cracking the coding interview, being able to solve easy and medium questions. Most importantly, I landed a software engineering internship. Thanks for being a paramount figure in my professional journey. I wish you the best.

[@NickWhite]

Hell yeah man thats awesome

[@NickWhite]

Keep doing big things

[@charlesbickham6604]

If you dont mind me asking how long did it take for you to get comfortable w algorithms ?

[@mistiemill3262]

WHOA this testimony really encouraged me. i thought he was just making it sound easy because he understood it but now i know. thanks, i was also beginning to think that coding just wasn't for me.

[@chrisryu2179]

So happy for u! I am also working on algorithms. Hopefully we can all land a good job position

[@joegelay4702]

Thank you, Nick! I've been looking for a video just like this that goes into the how-to and resources and not just "things to know". Beautifully put together. Thanks, again.

[@Shivarajskit]

L Aa

[@danield.6842]

I see those multivitamins. Good - stay healthy

[@oscarr8248]

@while Thanks, someone awere about it.. It doesn't work at all...

[@kevyyar]

@@oscarr8248 why not?

[@bradleylopez710]

This is the most important video KZbin has ever recommended me... I’m currently in a boot camp and they do go over data structures, but you definitely do need to dive deeper into algorithms and time complexities on your own in order to land a job in my opinion. Thank you for sharing. Hopefully I can fill the gap with the resources you shared.

[@lekamma]

Thank you man ! I come from Architecture background (switching professions) and found it really hard to get a roadmap on WHAT to learn because of all the content online and no mentors. Great content. Much respect.

[@potowogreedo]

I've pushed through this same shit myself and made all the mistakes more than once. Be hyper-selective with your resources and don't read comment sections.

[@Grassmpl]

So you probably want to program in assembly I assume. Good luck loading all those registers.

[@duthegee]

How is the journey going?

[@lekamma]

@@duthegee I'm a full stack software developer for 1 year and 7 months now 🙂. These stuff gave me solid foundations and im glad I went through them

[@mausamx]

@@lekamma any tips on what i should learn to become a software engineer/web developer, im 16 learning the basics of javascript/html

[@theDarkness558]

Wow, great videos bud. I've been studying for some weeks and was felling a little lost on this topic. Thank you for placing all resources you've used in this video. It really helps.

[@codearabawy]

Thank you, Nick! that was really helpful. I will try preamp, I didn't know about it, I already have scheduled an interview at 2 PM this Saturday! :)

[@vbs6168]

Great video! I plan to binge all your videos during this quarantine time period

[@machinelearningexplained]

So...did you?

[@passportbro904]

Damn your channel just randomly popped up as im taking datastructures and algorithms seriously in the coming weeks and this is gold. Subbed

[@supastar25]

Thanks for the info dude was looking for resources to get better at this

[@eddiedemeira2645]

Hey Nick, I came across your KZbin channel randomly suggested by the platform itself. I have to tell you, I got into your channel and started looking around on the other videos you have and I decided to write this comment to you because I think your channel is one of the best channels I've seen so far. It's instructive, helpful and straight to the point. I am getting ready to create my own channel but time is luxury I don't have right now, but it's in the to-do list. I am also a programmer and I've been around for about 35 years, yes... I am a dinosaur.... LOL... One thing I learned along the road is that there always will be critics (their job is to criticize, right?!) and this is fine and necessary because it keeps your foot on the ground but what I want to say to you is that you work is very important to others that may not voice their opinion for whatever reason. So, I came here to say: you channel helps, your opinions are mostly based on common sense and unusually mature for a guy of your age. Then, no matter what people say or how much some of them criticize, you should know that THERE ARE some people out there that appreciate the information you share and for one I would like to say thank you for giving us the opportunity to pick your brain a bit and evolve a little more in our journey through life. cheers man and keep up the good work :) PS: just so you know, I just subscribed to your channel and some of your videos (particularly this one) are on my list of favorites.

[@duthegee]

Thanks man! This was exactly what I was looking for after just hearing about the theoretical concepts of algorithms on KZbin.

[@baubach9834]

I even took notes and subscribed! Very informative video!! Totally worth watch it!

[@pierreardouin6441]

Many good advices here. Learning OOP alone can be too theoritical, learning data structures alone can be too theoritical, learning them together is a good way to appropriate both. But it can be a bit intimidating if the first classes you create are for linked lists, trees, etc, so before that, I suggest practicing OOP on more funny projects i.e. small games and apps.

[@Amanda-bg7ib]

This was a very helpful video! I hope this channel gets more recognition

[@justaguy2247]

Great video, liking/commenting to boost you on the algorithm.

[@Ophois47]

This was great man, just gained a subscriber. Excellent explanation, it helped me out a great deal, thank you.

[@franky0226]

Love your honesty man ! Thanks for the video

[@sakshamjain6900]

Thanks for the hard work Nick, This helped a lot really!

[@TheFootballPlaya]

I know why I was recommended this, but i'm late to the party. You're so right on the fundamentals part. Super important. I've done some lc questions on strings & arrays and I've practiced identifying how to improve time complexity, using things like memoization. But, every time i'd try to just "jump in" to linked lists, I would feel instantly overwhelmed and lost. Eventually, I realized that I needed to actually understand these structures from the most basic point before I continued into more LC questions. Going slow has been a huge help in understanding what's going on, and now, though I can't solve a bunch of LC questions yet - looking at the problems make more sense. I'll get there at some point. Linked lists are also one of those structures, where coincidentally, they chain to other data structure concepts so much that hopping over linked lists and dipping into trees / graphs - also won't make much sense. Before that, pointers are also a must. Going slow on both of those has been helpful. Another great tool to understanding has been discrete mathematics. Relations and orders and hasse diagrams, are clearing the cluttered unstructured thoughts I had earlier about seeing graph pictures associated with algorithms on the internet. I used to think, 'how in the world can CODE look like that?'. But now it makes more sense. In addition, your videos have been super helpful too. So, thanks for the great content and helping me prepare.

[@servantofthelord8147]

This comment is gold. Please pin this!

[@_-6912]

Bruh! I just love your content man. Keep doing the great work!

[@davemerkury]

Excellent information and vid!!! Thank you @Nick White for your time and knowledge!!!!

[@neilpatel2365]

Talk about literally the only video you need for a CS student. Thank you Nick :)

[@litttlemooncream5049]

your hanging out in your room does help a lot!!

[@tajwarrahman6048]

Thank you so much for this amazing video!

[@ebentee]

This KZbin algorithm has a funny sense of humor

[@marflage]

I wonder if it used a binary tree to recommend this video

[@ebentee]

@@marflage haha😂😂

[@goliathstark9142]

thank you, i dont know how to code even though im in my third year of a cs degree lmao but im starting see a fellow chad coding and am now feeling it more

[@andrey_tech]

What an AWESOME video. Thank you so much for making it!

[@julie9734]

Thank you for this video. :) It's good to know that it is common to have to watch a ton of tutorials to get data structures and algorithms down. I keep hearing more and more that college and university classes are not teaching their (paid) students enough about the topic...such a shame and waste of money.

[@random-0]

Today i started with san diego course and you mentioned it, thanks Coursera

[@stadiaSage99]

Thank you so much Nick, you are a super life saver

[@MrPaulHuynh]

Thanks for the tips man!

[@maxpapirovnyk4304]

The best algo channel, and you are not bored that’s very important

[@henkmaritz007]

Thanks a lot. I am busy with a Java course, and this will help me tremendously !

[@gbswann]

Hey. I just found your channel today. It is perfect for where I am at. Thank you.

[@charlliemurphy8381]

" talk to your friends..." (you lost me)

[@nishasreedharan6175]

Very helpful! Thank you so much!

[@codephil]

F* yea, go Nick! Thanks for sharing great resources that are freely available. You even play guitar! Oh boy, maybe we'll run into each other somewhere in a bar in California and we can play a song together. Or maybe Canada, where they still have lots of live music in bars. Saw your first video and immediately subscribed. I wish you the very best in your carrier! Thanks!

[@eduardstefan6833]

I understand that algorithms are important for a job interview but have you ever had the opportunity to use what you learned in a real project whether it was a job or a side project?

[@maxxpellowski2916]

What a GREAT video. Thank you so much for making it. Cool shirt BTW.

[@jacobtb1]

Great overview, thanks

[@wilhelmsarasalo3546]

I've never studied any of it, but I've pretty much come up with all of it just to solve everyday programming challenges. I think there is no substitute to "seeing it" in your "mind's eye". This way you can modify it when needed. For example, in the 1980's I was doing an application in UCSD p-System running on a 68000 based machine. It was to support Point of Sale. Regular going to the hard drive after each compare did not work as it was much too slow. First key on the binary index was a string. So I made a memory resident abbreviated table that would get us pretty deep into the binary tree before needing to go to the hard drive. Then I left this running with diagnostics using random data each night when I went home. Those needed to stay in synch after all. Then I had this "bushifier" that kept the binary tree balanced using a fast single pointer swap at a time, running at a lower priority than the actual user facing stuff (search, add, delete). I guess I could develop that further to give an option for weights, to have something (like frequently searched) search quicker. Anyway I think that memorizing it is no substitute to "seeing it", personally and I think this would work for many, I think about these thigs as I am falling asleep. Then I have dreams about them. Using what you just "saw", came up with, to solve a real life problem, I find very motivating.

[@shnerdz]

the princeton algo course is very good as well; they have very interesting assignments

[@mohiths2065]

I can't understand their analysis of algorithms :(

[@SweatySockGaming]

@@mohiths2065 the math part, maybe it needs discrete math, idk i never did it before

[@blumoon3335]

This was an amazing video man thank you

[@saira18926]

You're Awesome, Nick.

[@RandomNoob1124]

Like many individuals here, I was really discouraged after seeing that I could not even solve an easy Leet Code algorithm. I was actually pretty down but I knew that I could become good somehow if I just keep trying. Of course, keeping up the trying eventually becomes a bit hopeless and I ended up here. All I can say is that this not only helped tremendously on what I needed to master but also the motivation to become a master. Thank you, I hope the best for you.

[@pluto40433]

Yeah they are brutal. It was alot of moments where I didn't know you could do that to get solution. Even if I did I doubt I would do it in this or that way.

[@musicaenlife]

Thankyou for all the info

[@BharathCalgary]

Hello Nick, thanks for the videos. Got a question, could you go a video of random number generation, with equal probability please. thanks

[@nadhirfalta7002]

Thanks a lot Nick!

[@GodsNode]

I realized what the pre-requisite knowledge was AFTER I purchased an online course AND CTCI. Shit. Well, I'm learning the fundamental data structures now.

[@abdelrahmanadel8998]

i like this channel so much could u record when u r on pramp plz?

[@OptimisticForce]

So good content , And for free . Appreciate hardwork bro

[@josehidalgo5803]

Thank you for these resources. I am just getting started but I appreciate the honest insight. God bless

[@marielarodriguezmaggi850]

Awesome! thanks a lot, it's very helpful for me!

[@tannerbarcelos6880]

Was given the sock pair question on an internship coding challenge. This was before taking my data structures and algorithms class at school. I didn’t even know how the hell to do it. Now, I’ve done data structures and I solved the question in 1 minute in python (used c++ in class but python makes these leetcode/hacker ranks easy lol) using dictionary (hash map/table) and its actually fairly easy to decide what data structure to use once you understand the basics of them. My issue is just implementation. Little cool tricks you can use to shorten code is always what I try to do first when I should be doing brute force first, then optimizing from there. I get ahead of myself lol. BUT, I wanna go the front end route for swe , so, my buddy who is a front end engineer right now told me not to worry as much with DS/Algos and focus hard on JS fundamentals and css stuff.. could you speak on this?

[@SidVanam]

Thanks so much for sharing your resources! +1 sub

[@kuibatonet8984]

That's very good, thanks Mr. White

[@vallamsettymanikanta7750]

Thanks for u r help man

[@ind-ram]

nice video bro yes data structures and algorithms are important from interview

[@kamertonaudiophileplayer847]

I agree, Algorithms + Data Structures = Programs by Niklaus Wirth is a very good book.

[@janelain8611]

This was great! I tend to look at way too many resources and get caught in the weeds

[@PhuongNguyen-zb2en]

Nick, do I need to do all the things you mention in the video or just practice as much as posible. Because I see no difference between read algorithm book and roll the course you mentioned. So we just need to know what it is, and then pratice, pratice, and practice, right ? P/s: sorry for my grammar. I am trying to write English naturally

[@abc_cba]

Very helpful. Thanks.

[@eltonmurillo1909]

Interviewing is a pain now. I can solve easy Leetcode questions pretty consistently (120 questions). But once you get the hang of it. You need to learn the different platforms. Codility, hackerrank, codewars, advent of code. They turned the interview process into low quality for profit screening process. It’s kind of sad.

[@squirtlesquadblastoise7166]

how i got into algorithms and data structures: classes forced them down my throat.

[@Steve168xyz]

Hi Nick thanks for your vids can you do another vids related to math & coding?

[@hichammaaqoul]

Is there a community in discord or slack we can ask when we get confused ?

[@jasonsong4168]

Thank you Nick! You are amazing! I watch almost all your videos and it's so very helpful!

[@moc2130]

thanks, really helpful

[@alikachoo4067]

this guy doesn't blink

[@GraceandWisdom]

Hi Nick, I'm somewhat of a noob coder. These algorithms that you have been kind enough to show are completely foreign to me. To be honest, I don't know if I'm using the correct terminology, or if what you are demonstrating applies to what I have learned. I am quite fascinated with what you have shown. I would like to take 'baby steps' into this branch of math(?), but first, am I barking up the right tree? Currently I'm learning JavaScript. Made a lot of progress, but in no way do I know how to apply what you have shown in this video. What would be the likelihood of receiving a little understanding? Any response would be greatly appreciated. Thanks.

[@glennpavel245]

great references!!

[@blancosj]

I think we all are using same resources. Awesome recompilation

[@ShadaeMastersAstrology]

Thank you so much!:)

[@josephvelasquez2677]

Thanks for the info :D

[@nduvaaernanguaiko8423]

Great information, do you have a follow up resource where one can ask for more questions or need help in something get help

[@JoeDoe1]

Thanks Nick White.

[@AtulSingh-xr5qc]

Hey Nick, is Coursera's Data Structures and Algorithms Specialization offered by UC San Diego taught using Python or some other programming language?

[@sebastianbrinezcorrea3527]

Thanks Nick

[@HiPh0Plover1]

finding a free course thats actually good and include problem sets with solutions is not possible at least for me ,

[@Alfram]

My advice for people starting out just pick one language. A lot of people make the mistakes of trying to learn a bunch of stuff on different languages. Pick python, js or c# as they’re some of the most popular and marketable languages.

[@Jdb63]

Java too

[@Classicv5]

Do you think it’s really necessary to identify a specific time complexity for every function? When I write nested loops I don’t think need a graph in front of me to understand that performance cost

[@abasahebbhingardeve5464]

Nice training!

[@GEhehloopf]

You mention that before starting leetcode, you should learn about fundamental data structures and fundamental algorithms. I was wondering what specific fundamental data structures and fundamental algorithms I should learn before doing problems on sites like Leetcode? Thank you again for the video!

[@kdforgive5483]

thank you for your videos, they are very informative :) but all they very quiet, i need crank up youtube and pc volume to 100%

[@sastashroud7646]

I don't know if you will see this but your videos are really helpful....I started with service based company but now I'm trying to move in some product based company so wanted some info on dsa and you are really helpful

[@l.o2845]

Great stuff👌🏾👌🏾

[@trebelojaques458]

You really remind me of this other youtuber with a similar age and into software, techWithtim!

[@OtakRajCodes]

Your content is Gold ❤️

[@NAVJOTSINGH-xh7se]

thank you so much

[@MrBastille666]

MIT Algorithms Course is great, except that they need you to also know discrete maths, which I don't know since I'm not yet at uni... Yeah, they have prerequisites linked, but that will take some time... which won't stop me though, I think. But thanks anyway!

[@masonspruce1447]

If you're in university or entering a university, then i would advise you to wait until you take discrete math and your school's data structures course. They devote like 2-3 classes on this topic.

[@Bayo106]

a few classes wont help you understand all this

[@masonspruce1447]

it most definitely can. and if you’re in university you have access to things like a “tutor”. take advantage of colleges.

[@user-oy4kf5wr8l]

Thank u amazing video

[@HarshaVardhan-xx6ii]

You seem to be at a level of a professor by going through so many course videos even after graduation. It takes several months to even fully understand them I guess.

[@jayrajgoyal383]

Where did you get this t shirt?It's really cool 😎

[@moatazemad7070]

William fiset is the best one just watch his data structure video and graph theory and you will be so powerful

[@Deamer24]

Do big companies usually ask about the proofs behind an algorithm in interviews?

[@IsaacAsante17]

They'll let you justify your problem solving approach, which is where time and space complexity comes in. Not all solutions are acceptable in programming, particularly when you're processing data at scale. So proving that you can optimize code is important.

[@neocephalon]

Nesting for loops of the same length just grows their time complexity exponentially

[@Grassmpl]

Not exactly. It just squares the time complexity.

[@hayoudoing]

thanks dude

[@dxstudiodawn]

Thank you so much for these resources! Have a like and a sub :)