At the first day of Leetcode , to be honest I felt I should give up. But 1 questions per day , 1 years later , I can pass 70% of easy and 40% medium. I even get an offer by passing 3 Leetcode questions with big bank company. So my suggestion is keep practicing Leetcode like you playing a game!!
hey, i want to ask you wether you did all of the questions on leetcode by you own without any help or you tried and when you were not able to solve it than you referred to any yt video? i am doing leetcode so i am not able to solve the questions ... i try to solve one question for 1 hr or more and than i refer to yt video. is this good ? any suggestions? Thanks
@@vrajpatel9259 Sure. Since you and my past self have no idea how to play the Leetcode game. Once you have no idea how to do it or don't understand the question within 10 mins , just look for the answer. There is no shame to look at it. The way I still doing it is look at the approach , and use that approach to create your own code.
@@vrajpatel9259hey we are on the same page. But you know that's the way of getting learn from mistakes. Keep it on mind where we struck, why does it happens every time? Try 30-40 mins max for any level of question even though can't trick the solution then try to approach other's intuition and code, then try a dry run on your own.. That's where I found my solution. Keep it up buddy... Have a nice day
Yes buddy , think solution for max an hour If it's not clicking than you can see solution But after that don't forget to revisit the question after some intervals
Completely agree!! In school I've always enjoyed math and physics over essay writing because I enjoyed solving problems so much. I'm a college freshman now and I'm a bit late to the competitive programming party, and I don't how I lived without it before.
I once got the tip to write down a few cases by hand and then let my brain first do the work, if it can come up with the expected output. if yes, then it means my brain does know an actual algorithm that works, we just need to make it conscious. So first we try to follow what our brain did in simple english, after that we break down the simple english into atomic steps that can be written as code. Once you've done that, you almost always have the optimal algorithm, since our brains are actually genius at this stuff. It's only really hard when you can't even explain an algorithm in simple english that will produce the correct output, then it's truly about finding and solving a base case first and working your way up to more compllicated cases.
Wow, this video is a game-changer! I’ve been struggling with LeetCode problems for a while, but the step-by-step approach you provided made everything so much clearer. The explanation of how to break down the problem and tackle it methodically is exactly what I needed. Thank you for simplifying a process that can feel overwhelming! 🙌
This feels super helpful, I used to feed discouraged to do DSA cause I used to think I knew how to solve it but wasn't able to code it. This helped me realized it is more than that
I have a competition this Saturday and I've been asked to practice from leetcode. Let me tell you, I'm only a highschool student. The 'easy' question from leetcode take me a whole 30 mins to come up with an algorithm. I was told that I would be asked questions from medium and hard difficulties. With only 3 days left, I'm not sure of how much I would be able to prepare.
@@Praveen_C11 The competition is over, and I managed to get a speed of 15 mins/easy and 25 mins/medium before he competition. Turns out that the organisers were just exaggerating. All the questions were from easy and I managed to get second place. The team that got first just had twice the members as our team.
Finally getting serious about coding and this is really eye opening. Started revising and learning about algorithms to get a strong foundation. Thanks for the video
I just found your channel today and have watched a few of your videos. They are some of the best that I've ever seen when it comes to Leetcode prep with clear instructions and helpful tips. Thanks you so much for sharing these!
Visual stuff like that flowchart is a reason why I loved programming in LabView. When debugging you can literally see values changing on 'nodes'/functions, traveling over connections/wires on their way to the next node/function/loop/etc. You can see immediately where issues are as values turn bad and address it right away. I'm sure there are some great examples on YT. For what it was meant to do, it did/does it amazingly... but it by far is not something you want to use in projects unrelated to it's focus; Lab Automation.
Thanks so much! Walking through problems with a flowchart is a really systematic way to approach problems, and something I think engineering-minded people really benefit from.
The problem people have with these questions is that they try or think they need to invent this algorithm (extremely difficult). When in reality the question is merely testng your almost rote knowledge of an already existing solution. a truly unique answer requires a truly unique puzzle, and you just arent going to get that. These sites are learning tools not MENSA entrance exams.
Sh1t, we literally skipped data structures and algorithms last year in my 2nd year at college. We had the subject but we weren't even taught about it (we basically hovered over linked lists and big O notation the entire semester!). I thought it wasn't important and thought how easy the subject was. Turns out I missed a lot! Now it's time to study hard 😢
If you keep refusing learning opportunities at every disagreement in opinion with the pretense that the teacher is unqualified or not suited, you will learn way less than someone who tries to learn regardless of some shortcomings in the teacher. I agree that the 100 problems thing is unrealistic but the video still has a lot of value.
@@takeuchi5760 How is it unrealistic? More problems doesn't make you better, you just need to know the data structures and algorithms. Doing less problems and focusing really hard on actually studying and reading up on why that solution is the way that it is will be way more educational.
@@NihongoWakannai And did I say just focus on the number of problems? Solving a problem for me means trying hard to solve it, thinking of different approaches, if it's still not clear, then taking hints/solutions, understanding it bit by bit, then resolving it by yourself to confirm you understand it. So, when I say 100 problems is unrealistic, I'm obviously including the "focusing really hard on studying" aspect. Interviews in most competitive markets aren't easy enough that you can get by with just knowing the basics of each topic (which is the max you can cover in 100 questions).
even if you learn the template how do you solve the problems algomonster gives you. I go through their articles but still find the problems they give us to solve very difficult.
Hi , I have done the topics except dynamic programming and solve around 180 problems but still not able to build logic. Should i leave dsa ? Can you suggest me what should i do ?
Random observation, but in the slide that shows the final BFS solution, I think the code that checks if the new word is in the word list and not in the visited and not the word itself, needs to be indented to sit under the inner for loop?
@@yohahnribeiro6029 Haha no worries not at all! I actually like it when people point things out because I know to keep an eye on that for future videos! Only way to grow is to learn from mistakes, so thank you 😁
The more you are good at solving these problems, the more you are able to come up with solutions for real-world probelms.The probelms test your ability to understand the requirements and write corresponding code for the same. So that's only way to test logical and analytical capabilities of a programmer.
@@helloworld_69-g2m you may come to use your intellectual and logical thinking where you might need to optimise the code for large data volumes. In such scenarios what you learned in algorithmic part come into play. And data structures btw is the core for a software developer or programmer.
@@dss963 I remember all the times I used DP to model roles and users with active record... Hmm that can't be right. Maybe that was when I added some endpoints to a rest api.. Nope... Hey maybe it was inside a Temporal workflow I made? Or adding payment handling by integrating with Stripe? Nah.
So far I have only completed less than 20 problems. Will get back to this comment when I’ve reached a century. 😊 I know one doesn’t need to solve that many but I’ll taking a safety net so that I can also practice same kinda problems.
Dude im doing an interview in a week and you might made me land a job... You know what? if you did I will pay back to you and the community. See you in a week!
@@jeffreydijkstra3391 Sup! I just received the answer that they are not going to hire me... even tho I have solved every code challenge in optmal solution and with no bugs. I Also did a nice System Design Interview... I think I might have been declined because of the Behaviour questions...
13:10 So something that's been bugging me... is the things and the baby chocobos' butts their egg shell? But most look like plants, so are chocobos... plants? Flying/Grass type pokemon?
Worked at several fortune 500s without learning advanced leetcode, can only solve the easy problems which is what is mostly required at most companies.
Easy title, but why such a hard question, bro? You don't seem to care about beginners like me. You choose great content, but why explain such difficult problems? I couldn't even understand what you were talking about. Anyway, thanks.
Hi Salah, I’m sorry that it seemed too difficult! I intentionally wanted to choose a question that most people would consider “hard” to show you that if you follow these steps, you can solve any question, even if it’s very difficult. May I ask which parts you couldn’t understand? Maybe I can provide clarity and make my future videos better.
Link to the free flowchart I used in this video:
algo.monster/flowchart
thanks
At the first day of Leetcode , to be honest I felt I should give up. But 1 questions per day , 1 years later , I can pass 70% of easy and 40% medium. I even get an offer by passing 3 Leetcode questions with big bank company. So my suggestion is keep practicing Leetcode like you playing a game!!
hey, i want to ask you wether you did all of the questions on leetcode by you own without any help or you tried and when you were not able to solve it than you referred to any yt video? i am doing leetcode so i am not able to solve the questions ... i try to solve one question for 1 hr or more and than i refer to yt video. is this good ? any suggestions? Thanks
@@vrajpatel9259 Sure. Since you and my past self have no idea how to play the Leetcode game. Once you have no idea how to do it or don't understand the question within 10 mins , just look for the answer. There is no shame to look at it. The way I still doing it is look at the approach , and use that approach to create your own code.
@@vrajpatel9259hey we are on the same page. But you know that's the way of getting learn from mistakes. Keep it on mind where we struck, why does it happens every time? Try 30-40 mins max for any level of question even though can't trick the solution then try to approach other's intuition and code, then try a dry run on your own.. That's where I found my solution. Keep it up buddy... Have a nice day
Same question as above
Yes buddy , think solution for max an hour
If it's not clicking than you can see solution
But after that don't forget to revisit the question after some intervals
If problem solving is your hobby then leetcode is a great place to be at.
Completely agree!! In school I've always enjoyed math and physics over essay writing because I enjoyed solving problems so much. I'm a college freshman now and I'm a bit late to the competitive programming party, and I don't how I lived without it before.
The feeling after starting to learn sort methods: everything is sort!
Sort is OP
I once got the tip to write down a few cases by hand and then let my brain first do the work, if it can come up with the expected output. if yes, then it means my brain does know an actual algorithm that works, we just need to make it conscious. So first we try to follow what our brain did in simple english, after that we break down the simple english into atomic steps that can be written as code. Once you've done that, you almost always have the optimal algorithm, since our brains are actually genius at this stuff.
It's only really hard when you can't even explain an algorithm in simple english that will produce the correct output, then it's truly about finding and solving a base case first and working your way up to more compllicated cases.
Wow, this video is a game-changer! I’ve been struggling with LeetCode problems for a while, but the step-by-step approach you provided made everything so much clearer. The explanation of how to break down the problem and tackle it methodically is exactly what I needed. Thank you for simplifying a process that can feel overwhelming! 🙌
This feels super helpful, I used to feed discouraged to do DSA cause I used to think I knew how to solve it but wasn't able to code it. This helped me realized it is more than that
I have a competition this Saturday and I've been asked to practice from leetcode. Let me tell you, I'm only a highschool student. The 'easy' question from leetcode take me a whole 30 mins to come up with an algorithm. I was told that I would be asked questions from medium and hard difficulties. With only 3 days left, I'm not sure of how much I would be able to prepare.
Leetcode at highschool??, damn!!!
@@Praveen_C11 The competition is over, and I managed to get a speed of 15 mins/easy and 25 mins/medium before he competition. Turns out that the organisers were just exaggerating. All the questions were from easy and I managed to get second place. The team that got first just had twice the members as our team.
@@Praveen_C11 ikr, i wish I learned code when I was in my dad's balls 💀
@@yunagarnetsan Congrats, and happy to hear your follow up.
Finally getting serious about coding and this is really eye opening. Started revising and learning about algorithms to get a strong foundation. Thanks for the video
Great idea! Algorithms make up so much of coding, it’s super important to know the fundamentals.
@@Codebagel What if there are not easy for me that what can I do to learn more...
I just found your channel today and have watched a few of your videos. They are some of the best that I've ever seen when it comes to Leetcode prep with clear instructions and helpful tips. Thanks you so much for sharing these!
That flowchart is genius!
Visual stuff like that flowchart is a reason why I loved programming in LabView.
When debugging you can literally see values changing on 'nodes'/functions, traveling over connections/wires on their way to the next node/function/loop/etc. You can see immediately where issues are as values turn bad and address it right away. I'm sure there are some great examples on YT.
For what it was meant to do, it did/does it amazingly... but it by far is not something you want to use in projects unrelated to it's focus; Lab Automation.
One of the best videos I have watched! Especially going through a problem using the flowchart.
Thanks so much! Walking through problems with a flowchart is a really systematic way to approach problems, and something I think engineering-minded people really benefit from.
That flowchart seems extremely useful
The flow chart is amazing 👌
I like the flowchart which makes more sense on how to systematically figure out which algorithm to use.
The problem people have with these questions is that they try or think they need to invent this algorithm (extremely difficult). When in reality the question is merely testng your almost rote knowledge of an already existing solution.
a truly unique answer requires a truly unique puzzle, and you just arent going to get that. These sites are learning tools not MENSA entrance exams.
Sh1t, we literally skipped data structures and algorithms last year in my 2nd year at college. We had the subject but we weren't even taught about it (we basically hovered over linked lists and big O notation the entire semester!). I thought it wasn't important and thought how easy the subject was. Turns out I missed a lot! Now it's time to study hard 😢
Keep it up brother...I was one of those subscribers when you had started this channel..Its inspiring to see you grow..❤❤
Thank you so much! I appreciate that you’ve been here since the start, hopefully I can keep making content that you can enjoy!
Thank you so much this really helps 😊
Thanks for watching!
I want to be sure , in 1:57 you try to change begin-word to the word in the word-List until to reach the end-word
Awesome! This video was very helpful. ❤
Perfect practice makes perfect indeed.
thanks a lot man, 7/10/24
Simply the problem
Pattern recognition
Implementation (pseudocode)
Code
Debug
I stoped video at :"My friends cracked FAANG with less than 100 solved LC problems"
If you keep refusing learning opportunities at every disagreement in opinion with the pretense that the teacher is unqualified or not suited, you will learn way less than someone who tries to learn regardless of some shortcomings in the teacher.
I agree that the 100 problems thing is unrealistic but the video still has a lot of value.
That's a stretch but video itself is good.
I know people at FAANG who have solved less than 70 problems. If you're fixated on the no. of problems, you're not looking at the right way
@@takeuchi5760 How is it unrealistic? More problems doesn't make you better, you just need to know the data structures and algorithms. Doing less problems and focusing really hard on actually studying and reading up on why that solution is the way that it is will be way more educational.
@@NihongoWakannai And did I say just focus on the number of problems? Solving a problem for me means trying hard to solve it, thinking of different approaches, if it's still not clear, then taking hints/solutions, understanding it bit by bit, then resolving it by yourself to confirm you understand it.
So, when I say 100 problems is unrealistic, I'm obviously including the "focusing really hard on studying" aspect. Interviews in most competitive markets aren't easy enough that you can get by with just knowing the basics of each topic (which is the max you can cover in 100 questions).
Maybe I'm dumb but what if I didn't understand question, what should I do?
Am a big fan of algo monster easy to follow those templates
even if you learn the template how do you solve the problems algomonster gives you. I go through their articles but still find the problems they give us to solve very difficult.
It just 1 question per day, trust the progress and believe to yourself
Hi , I have done the topics except dynamic programming and solve around 180 problems but still not able to build logic. Should i leave dsa ? Can you suggest me what should i do ?
Hi! What areas do you find you struggle with the most? Is it recognizing the pattern? Is it knowing what to code?
@@Codebagel both. Sometimes know the approach but not able to convert it into code.
I'm facing the same problem
Solve recursion problems
Everytime I wonder, why is this channel so underrated? 🤔
Haha thank you! Hopefully it won’t be for long 🫣
God bless you. This is so clutch
Thank you!
U think you can make another video of what to learn before leetcoding
idk this video kind of confused me a bit but thank you nonetheless for your guidance
I'll come back one year later to this comment and be grateful I did not give up. Thanks for this video. Today is day 1
Cheering you on!
this is by far the nicest video I have ever watched.
4:52 me crying in my $13/day full time frontend developer job
Random observation, but in the slide that shows the final BFS solution, I think the code that checks if the new word is in the word list and not in the visited and not the word itself, needs to be indented to sit under the inner for loop?
Good catch… 😅 after hours and hours of editing you’d think I’d catch everything but sometimes something slips through. Thanks for catching that!
Hahah I'm sorry, didn't mean to devalue the effort at all. This video was incredible and thank you very much for making it 🎉❤
@@yohahnribeiro6029 Haha no worries not at all! I actually like it when people point things out because I know to keep an eye on that for future videos! Only way to grow is to learn from mistakes, so thank you 😁
Example of how to identify a pattern using Ad's website even makes it more vague and complicated
Nice tips. Very thanks.
I hate how interviews force Leetcode questions. Super annoying. I couldn’t get through the first problem.
The more you are good at solving these problems, the more you are able to come up with solutions for real-world probelms.The probelms test your ability to understand the requirements and write corresponding code for the same. So that's only way to test logical and analytical capabilities of a programmer.
@@dss963 btw leetcode is not real world problem solving after solving few question I realized that
@@helloworld_69-g2m you may come to use your intellectual and logical thinking where you might need to optimise the code for large data volumes. In such scenarios what you learned in algorithmic part come into play. And data structures btw is the core for a software developer or programmer.
@@dss963 I remember all the times I used DP to model roles and users with active record... Hmm that can't be right. Maybe that was when I added some endpoints to a rest api.. Nope... Hey maybe it was inside a Temporal workflow I made? Or adding payment handling by integrating with Stripe? Nah.
Thank you! but where is the wordList? I'm trying to run this code but I don't know what is the begin and the end word.
love this video!
Thank you!
Useful ❤
More on this please
Is this question like bus routes the hard question ? Great video
the link to the flowchart doesn't work for me unfortunately
So far I have only completed less than 20 problems. Will get back to this comment when I’ve reached a century. 😊
I know one doesn’t need to solve that many but I’ll taking a safety net so that I can also practice same kinda problems.
from 2:32 , from dog ->lot I had to change two letters ? not one at the same time.
he went from dog -> log you can skip words in the list..
Can i code with JavaScript?
well the problem is im not even getting an interview offer to show off my leetcode skills god damn it
these things come naturally when you've practiced enough
Like learning to ride a bike
is it neccessary to have any achievements in coding competitions to land a job???
Not mandatory but will be a plus point in your resume
Me who is grinding for a free t-shirt from leet code 😂
Dude im doing an interview in a week and you might made me land a job... You know what? if you did I will pay back to you and the community. See you in a week!
dude, what happend? :D
@@jeffreydijkstra3391 They postphoned my interview and its going to happen tomorrow! wish me luck!
@@jeffreydijkstra3391 Sup! I just received the answer that they are not going to hire me... even tho I have solved every code challenge in optmal solution and with no bugs. I Also did a nice System Design Interview... I think I might have been declined because of the Behaviour questions...
wait i need this flowchart
Check the pinned comment - it’s completely free!
Thanks!
It seems your solution is not working, there is a Time Limit Exceeded but great explanation anyway.
13:10 So something that's been bugging me... is the things and the baby chocobos' butts their egg shell? But most look like plants, so are chocobos... plants? Flying/Grass type pokemon?
Ha~ some questions sadly i dont get it even i see the solution and watch yt. Anyone has experienced same thing ?
Look up dynamic programming
Worked at several fortune 500s without learning advanced leetcode, can only solve the easy problems which is what is mostly required at most companies.
Filthy Frank reference, the goat
Can ai solve these qns?
thanks!
Leetcode is used for cracking interviews. It has nothing to do with talent. Even a cab driver can do it if he puts some time and effort’s
people practise problem solving to understand pattern by themselves but if you are telling them then they are not learning.
Easy title, but why such a hard question, bro? You don't seem to care about beginners like me. You choose great content, but why explain such difficult problems? I couldn't even understand what you were talking about. Anyway, thanks.
Hi Salah, I’m sorry that it seemed too difficult! I intentionally wanted to choose a question that most people would consider “hard” to show you that if you follow these steps, you can solve any question, even if it’s very difficult. May I ask which parts you couldn’t understand? Maybe I can provide clarity and make my future videos better.
Ae bhaiya ji job lag gyi hai????
Hanji mere paas job hain (hopefully that makes sense, still learning the language)
Background music is annoying when using headphones. It’s distracting.
you didn't show the solution of dog problem and lot was not possible and you straight jump into your own solution
You start off with an insult .. "leetCode is the bane of wannabe engineers". Not being into code puzzles is not a sign of engineering skill.
Calling react devs “engineers” is a stretch. Engineering is all about solving problems and puzzles
just solve more problems
I’ve made a pretty good living never solving a leetcode in my life or even ever logged into the site
бибиксонаф .
Is def the N word
??
🔥
I'm cooked
I've never done any leetcode problem and I haven't had any problem to get a job
Im not doing this shit.
maybe GPT requires LeetCode?
HAHAHAH you're on point lol
Useless video.
This is soooooooo good. Thank you so much for the video 🤌
I’m glad it helped!
nice solution