How I Got Good at Coding Interviews
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- Опубликовано: 9 май 2024
- 🚀 neetcode.io/ - A better way to prepare for Coding Interviews
My second channel: @NeetCodeIO
🧑💼 LinkedIn: / navdeep-singh-3aaa14161
🥷 Discord: / discord
🐦 Twitter: / neetcode1
Spreadsheet: docs.google.com/spreadsheets/...
💡 CODING SOLUTIONS: • Coding Interview Solut...
💡 DYNAMIC PROGRAMMING PLAYLIST: • House Robber - Leetco...
🌲 TREE PLAYLIST: • Invert Binary Tree - D...
💡 GRAPH PLAYLIST: • Course Schedule - Grap...
💡 BACKTRACKING PLAYLIST: • Word Search - Backtrac...
💡 LINKED LIST PLAYLIST: • Reverse Linked List - ...
#neetcode #codinginterview #algorithms
Disclosure: Some of the links above may be affiliate links, from which I may earn a small commission. 
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🚀 neetcode.io/ - I created a FREE site to make interview prep a lot easier, hope it helps! ❤
I didn't mention this but using Python helped me a lot because you can write MUCH less code. I know most schools teach Java/C++, mine did as well, but i would highly recommend a language like Python/Javascript.
Here's a short video highlighting the benefits of Python: ruclips.net/video/emNkJGwcusQ/видео.html
meanwhile im preparing to do my interview tomorrow in c 🥲
still confused if solving these in python will be worth it or not, i am a noob btw and i loved this video of yours, earned a sub
hello, I currently do my challenges in java because I am most comfortable, but I do know a little python. Would you think it would be easier to do these problems in python? and if so should i sharpen my python knowledge?
@@naodderibe4148 I do think it's worth learning python, because it doesn't take too long and makes questions easier. In the past I used C++, but switched to Python and it's well worth it. I have never used Python at any job, only for coding interviews and it's the best decision I ever made.
@@NeetCode Hey Neetcode, how many leetcode questions did you do and how many hours per day you were studying?
I didn’t know crack gave you the ability to solve very hard coding challenges. Might try some.
Crack does make a person good at problem solving, I dunno about the bug free part. But crackheads get mad creative.
well, that was a fucking lie, and do you have some? plz?
Crack is literally the best for coding.
He is in google
🤣🤣🤣
The spread sheet is such a great idea to compile thoughts and track what problems you need more practice with.
@123 123 it's linked in the description
Great idea to create a document where you write the notes for each problem. I was essentially trying to do the same thing, but just from memory...which was silly, now that I think about it. Definitely gonna start using this tip, thanks!
You don't know how much I've been searching for a list like this! Thanks mate! Keep up the good work
Can you give now it is not showing
I was so confused and did not know where to start for my preparation and understand most problems. Thanks to your channel on my search list. I found everything I need in one place! Great work! Keep it going!!
I have failed 3 final round of interviews at this point, I got back to my interviewers to ask for feedback: I am lacking stronger/faster and more efficient coding skills. I won't give up and I will do these lists, because before I was doing random Leetcode questions and that way I couldn't find the patterns everyone was talking about. For sure your spreadsheet will help me a lot, thank you!
how you been doing so far?
😯
So, how is it going now?
@@jeremiahyoung4617 he prolly gave up 🤣
@@jeremiahyoung4617 its a good list but honestly the top companies ask questions that are a bit harder, i did get lucky on a few rounds and got similar questions but for the most part these questions are just "part 1" and then the interviewers tackle on a bunch more constraints and make them harder and harder, which makes sense since they dont expect you to just memorize but its still VERY brutal.
not all can acquire such strong coding skill through interviews, you made it and more importantly you shared it to us, so a HUGE thank you for what you are doing!!!
Can you give me that spreadsheet link now it's is not showing
That notes thing helps a lot to remember core patterns in questions and how to approach. It helped me massively to improve my logic. I mainly do handwritten notes since I find reading from copies better than looking at a screen.
Wow, this is awesome. Thanks for all the hard work! I'm definitely going to incorporate this into my preperations.
Thanks for this video, very helpful. I would be in the camp of looking for common patterns. I think writing out the patterns in plain English and putting them in a spreadsheet is a great idea.
I just wanted to thank you for the work you're doing. We do appreciate it. Spreadsheet and Pattern Recognition part is when I had my "ah ha" moment.
The fact that you keep track of the solutions in SS is super helpful - i may try this trick too! and thanks for making these videos, honestly the way you draw and explain things is top notch. you tube is full of people who are literally just regurgitating code answers without a lot of explanations.
just saw you provided the link to the SS too, you're awesome :) if i ever get into FAANG, i owe you a dinner or drink or something
@@bujimagnai4138 u will one day bro, keep working hard
@@bujimagnai4138 how it going?
Awesome work!! Making interview preparation even simple.
This is so amazing and helpful, thank you so much!
This is actually great advice, subbed my man.
I just love your work bro keep working hard
I really like your channel, you rock on both sharing how you learn and what you have been learning
Subscribed just because i feel your genuine desire to help others! Thanks for the knowledge.
This the spreadsheet I needed about solutions on blind 75, thank you
Happy it's helpful :)
Thank God your video was in my RUclips suggestions. Thanks a million times!🙏🙏
This is so overwhelming, even for someone who just graduated with a CIS degree. When I look at your explanations of how you solved each problem I don’t understand a single word. I feel like I’ll never learn enough to pass and be good enough for an entry level position
I'm experienced and still struggling to get interviews 💀. Got laid off a couple months ago.. the market is tough to say the least 😮💨
Were you able to find anything?
This is the excellent suggestion ....I have keep on practising code but never thought of keeping track of it.
Very good content. Thank you so much. I really like your suggestion of a high-level description of the solution.
Thanks for the tips homeboy, once I get a Job At Microsoft the 🍻 are on me!
Sounds Good to me :)
Goodluck. Try other companies ad well. They're not that bad. 😊
@@NeetCode hey man thanks for the docs and 75 q, would have never heard about it.
I subbed obviously
You get that job yet? I'm getting thirsty over here.
Goodluck
Glad to see you back
3:30 The best teachers are the ones that can explain abstract concepts in simple terms. I will use your note template for writing notes on my code =]. Liked and subscribed!
I code my solutions in C++. But I follow your channel to understand the logic and translate the code from Python to C++. Your solutions are clear and concise enough to easily understand. I'm able to prepare consistently because of it. Thank you !
This video is super helpful! I'm just starting my leetcode journey and am excited and nervous :)
Your voice is soothing to listen.
Thanks!
What?
He has a potential career in asmr.
Thanks for this trick review! Thank you so much!
I'm wasn't planning to code and only wrote short scripts in the past but now I'm itching to learn more. Sounds like this would be a good start 🙂
Wow, thanks for sharing! I love the spreadsheet idea!!!
Following this channel from 3 months I guess,,got to say this is the best
ty bro this helps so many people and their careers!
1. Would you say putting down notes as comment in the code solutions is as equivalently effective as putting it in a spread sheet? Cos That is where I put my notes.
2. What's the further usage can this notes be for? I felt it's something I wrote down when I truly understood the problem. But for improving the ability to solve more question and quicker, how would you recommend to leverage it to achieve that goal?
Thank you for creating the spreadsheet, ;) Help appreciated.
that excel sheet is life-changing!!! thanks a lot man
Hands down the best channel for learning how to solve Leetcode problems! cheers
Thank you so much for everything you are doing, you helped me a lot with 75 problems for the leetcode. keep it up
Just went through the interviewing process and none of the companies were interested in anything to do with algorithms but how I wrote and structured my code or how I approached a problem/code request. They are after people who know how to do the job not provide perfectly refined and optimal algorithms. This was a relief for me as RUclips would have you believe it's all about solving a random hard leet code example and completing it in 20 minutes and then optimising it on the spot.
Did you get the job though? I'd like to know
Great work, thanks a ton!
I must say now, i have found gold mine while surfing through videos suggestions on RUclips...
Thanks man, keep the good work on...
Still learning the basics of python and want to learn C# and Unity, so thank you for this video and spreadsheet resources!
Hopefully by next year I'll be competent at coding and will be closer to becoming a programmer!
me right now is learning fundamentals of C# and then when i feel that the time is ready then i will ask them to buy me a new 2nd computer because I will transfer to my next goal which is to learn Unity and Blender... I am hoping on that time, coding is easy because at least I already learned some things of C# as wide as possible.
*My first and only computer right now is a laptop that was bought in 2013, with intel celeron b830 1.8GHz 2 cores and it just costs 300 dollars which is very cheap = slow performance, so expect that it's really laggy/impossible if I use unity to practice. If this year later in 2022 I could have a computer it will be my 2nd computer in my whole existence(aside to smartphone)... but of course i will only ask them to buy me depends on my performance if I feel good and feel ready at programming then i will want to buy new computer so that i can continue to my next goal but in case i feel my knowledge is too weak, then i can assume my new computer would be in 2023 haha*
@@computer1889 lol did you just project your life on another dude?
@@computer1889 Thanks for your comment. It made me laugh a lot.
I watched this twice. Thank you so much for sharing
I'm new to Algorithm and Data structure and I think this is a good start thanks
Nowadays seeing the question in the interview before is more important than directly cracking your head into the problem which you haven't seen before. Thats why people who got selected generally would have solved 300+ questions on leetcode.
Wow! Your instruction is the same as what i'm doing right now
it's really cool
That's amazing! Thank you so much ❤
Thanks for sharing the cheat sheet! First time hearing the 75. Very helpful pointer for me.
This is a very useful approach.
Very helpful. Thank you so much!
Loved the spreadsheet of solutions! That's a great idea.
Bro you are very funny 😂 keep up the good work!
I wish i found this video earlier. I failed the coding interview every single time about 1yr and half.
i feel like i'm lost in my life as i could not find a proper job even tho i'm still 25.
I will keep practicing with your videos and other study materials
Please keep going and never give up!!! I don't talk much about my personal life on this channel, but believe it or not i was in your same situation not too long ago. I promise, with enough hard work and patience, your success is GURANTEED!
@@NeetCode Promise! never give up!
@@idevbrandon You got this. Go for glory!!
Soon dude soon. It takes a single moment for success to come and all your failures become worth it.
So just keep going and grinding! That moment is near.
maybe it is not just yours, 1.5 years it is huge, usually 2-3 months is enough to learn every single algorithm by heart with implementation, at least with pseudo code ...
Anyone watching this video after 2 years?🙋♂️
I am watching it after 3 years!
Thanks for the spreadsheet.
Thank you a lot for this video! It's really helpful ❤
I am going to solve them all :D Thanks for the resource
This channel is blessing.
You deserve every like and subscribe you receive, great stuff!
⭐ BLIND-75 PLAYLIST: ruclips.net/video/KLlXCFG5TnA/видео.html
I didn't mention this but using Python helped me a lot because you can write MUCH less code. I know most schools teach Java/C++, mine did as well, but i would highly recommend a language like Python/Javascript.
Here's a short video highlighting the benefits of Python: ruclips.net/video/emNkJGwcusQ/видео.html
Nice, is there a way to get your excel sheet?
@@sofoboachie5221 Added in description :~)
Since you already know python you should check out datasci/machine learning. It is a fun subject and we can talk about it at our wedding! it is easy to get started with a basic model and can be applicable to any sort of personal project you can think of. also its a buzzword for the ladies/employers ;)
@@NeetCode Thanks for the video, would it be possible to share the sheet again? It says "Page Not Found" when I tried to open it.
@@wh264 Just fixed it!
Yes, it is exactly what happens nowadays. People just learn how easy to break interview questions and get a job, but then we can observe tons of problems with software starting from a security and ending with understanding how software actually works. Hiring process should be seriously reconsidered.
As much as I dislike LeetCode style questions, I find that they at least allow anyone to have a chance. Imagine a recent graduate with limited experience looking for a job. If every company would forget about algorithmic and data structure questions and instead they would ask about their own specific requirements and technologies it would be nearly impossible for them to prepare for every possible company.
@@DanielVazquez someone recommended there should be a highly accredited cert you just show that you have
Yeap! I've been a professional coder for 10 years... Never used any algorithmic code EVER! It's niche exotic programming, for niche exotic coding jobs. Being able to write solid, well tested and easy to understand and maintain code, is vastly more important than being able to write fancy algorithms!!!
@@sdwone but that doesn’t get you a job is the thing 💀 I’ve seen people who are grade A with explaining and handling code but get screwed over by algorithmic questions
@@sdwone there’s also a difference between software engineers and computer scientists. Engineers use software that is already made by computer scientists to develop their product. Computer scientists work with very low level, high math and very efficient code.
You write Python? Computer scientists write the interpreter and other technologies that makes python accessible.
While I do believe that the current interview system can be cheesed, by cheesing it you’re actually understanding very basic computer science concepts.
I never thought about the spreadsheet and it's such a great idea.
you are doing god's work! thanks man
Thanks for the video ! This is really cool
Thank you for this sir, I am still solving easy leetcode questions , after a couple of easy questions I would like to move to medium. Is it advisable to start solving the 75 questions and understand them instead wasting my time solving random multiple medium to hard questions??
Please I would appreciate it if u replied thank you
I've been working as a backend and frontend engineer for the last 7 years of my life, but the majority of the tasks was so trivial and pure maintenance that I'm not able to solve, in a reasonable amount of time and with a decent optimised algorithm, even the "easy" problems. And this is really frustrating and tells a lot about choosing a company to work with and knowing when it's time to change
I’ve been backend for 10 years and I don’t know anyone that solves these kinds of problems outside of interviews. Everyone needs to study for interviews because technical interviews are nothing like day to day work. In fact, in most contexts, if a dev is solving some tricky algorithm at work, they’re doing something wrong. There’s likely a well established library for it and hand rolling it will just make the code less maintainable and more error prone.
This is pretty normal and expected tbh.
@@_yakgreed, I never used anything remotely similar to these in my 3 years as a backend engineer
@yak to be fair majority of algorithms only show their use when companies need to handle enormous amounts of information which is really unnecessary at 99% of companies. Even large companies like FAANGS or large banks would be pretty optimised at this point.
The only time this shines is in the rare case when a startup grows very fast into a massive company which is 0.01% of businesses
You are awesome with the way you have come up with a regex excel
I encountered the word search II problem, I was not expecting it, attempted it while explaining myself, I got stalk inside the nested of statements. I got emotional and told the interviewer I’m done I don’t want to waste his time 😅, what that failure thought me is to never give up because I was close to solving.
You made a video before for "how to use LeetCode in 2020". So as I prepare for an Apple software interview, would I be better off trying those 75 problems, or would I be better off looking at the {companies-> Apple} questions from the "how to use LeetCode in 2020" list of LeetCode questions? There are so many resources and I'm kinda getting lost in the direction to go in
Do you know how the difficulty of algorithm questions in machine learning engineer interviews compares to that of SWE interviews in general?
For the programming part of ME it is similar to SWE.
I used to follow the same trick for Maths problem in my school and engineering. I kind of remembered the patterns and one or two tricks of a particular type of problem. I always used to score above 90% throughout my career. Right now I am an Software engineer for last 4 years , but probably can't write find the odd even number in one go 😢.
Bro this is 🔥! I love the way you think
One thing you can also do is after completing a problem you can see code ranked by memory space and speed. Check out the high results for both, and don't just take the first one but look through them as there is usually a very streamlined approach that handles it while also being very readable. On several of those problems where I resorted to array lists or sets, simple array manipulation was used and was very well thought out.
Amazing video, very helpful! Thanks a lot!
Are you supposed to produce 100% bug free and pass all unit tests? If you run it and it fails, how many chances do they give you to fix your work? Can you put print statements or logs to help debug troubleshoot and fix or no? Please advice
thanks for giving a direction to my prep strategy too. I currently work with a decent service based company and targeting to crack FAANGM by the end of this year. This video is really helpful. Thanks a lot
All the best. Could we connect? I would like to ask you some things
@@gautamisane3240 Sure
@@gautamisane3240 let me know where would you like to connect.
Thanks. Linkedin is fine. I'll send you connection request!
How’s it going?
Did you use Grokking the Coding Interview as well to learn patterns?
You have a beautiful voice
This is really helpful
THANK YOU!
thanks bro, you a G
YOU ARE AMAZING!!
You are a genius!!!!!
It is quite helpful thanks man👍👍
I think it's time to sit down with lots of water and notebook and figure out the approach to fix these problems. I feel stupid for not understanding big O notations, time complexity, space complexity and stuff like that but m getting there. I think it's pretty exciting as long as it is explained clearly how the solution was found using illustrations.
Greetings!
Could you please do a video for beginners on how to start coding? I love to code, but I have no idea where to start. Which language to prefer and How to start solving leetcode questions as a beginner.
folks, keep in mind that 99% of the jobs out there will never ask you these sort of questions. I haven't seen any ever, in nearly 30 years. On the job, I've only had to deal with recursion and depth-first traversals - and that tends to be beyond what most of the other devs understand.
Have you applied to junior jobs? They ask this all the damn time. You apply for a junior backend role, they don't ask you to create a backend project , oh no never that, they ask for algorithms. Same goes for every junior job. On the job, you are correct 100% but applying for the job most of the jobs will ask you these type of questions as part of the application process.
@@angelicking2890 where are you applying? FAANG? The other 99.99% don't.. every city has local coding jobs. I have hired at nearly every job I have had - I have never asked DSA questions, and have rarely encountered them myself during that time.
@@-Jason-L Not not FAANG, th.ese are local coding jobs , junior roles requiring me to go through many stages 5+ and 2 of them coding test - one live and one online. I can't showcase my projects even if it has the very skills that they desire unless I do well in algorithims. It's a joke. So many passionate skilled developers get thrown out the window because they are simply forced to get good at algorithims .
major product companies with large salaries and stock options tend to ask these questions
I was asked bst, tree and graph in most product based companies
Thank you for the excel sheet.
Thank for Sharing ....This is very helpful.
Thanks for the very helpful video. Is there any link to download this spreadsheet? there is a link under the video, but it is broken? I would appreciate if you give us a link to download the spreadsheet.
Genius is the one who perfects the art by using experience in practice and repeat it over and over!
This video is extremely under rated..!!
People needs to know about this hero.. 😇
Thank you very much brother💖💖💖
My first ever FAANG interview was back in 2017 and literally the first question I got asked was Word Search 2 and had maybe 20 minutes to work on it. Interviewer didn't give me any tips. Hard fail, wish I had crack then to pass it!
I'm sure you still probably had some sort of a takeaway from it and that's what matters. I hope you're doing better now. Are there any tips that you might know about to prepare for faang?
You're the man dude
Hi there
Luv your video.
I still struggle to imagine or visualise the logic flow or pattern in some algorithms especially the recursion.
Our prof for cs 2 always reminds us to practice on leetcode or coding bat during the weekend
I wish my CS professors told me that when I was a student lol
thanks for advices sir.