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Introducing Asymptotic Notations 

Back To Back SWE
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We know it has been a long break since we posted last. But we are back and better than ever. Check us out on backtobackswe.com. Also, we have a special offer for you guys. Use the promo code: RU-vid20 to get 20% off on our subscription :)
Asymptotic Analysis: It is widely used in Computer Science to describe the limiting behavior of algorithm resource use.
We look at functions to see their behavior (often to track resource consumption) when an input gets arbitrarily large (big).
But first off, what is a function? What does y = 2x mean? Let's go way back.
It means this:
- Each variable is something we are tracking. Here we track y and x. They can be anything we want them to be
- y and x are intimately related by our function that we defined
- Each time we gain 1 unit of x, we gain 2 units of y
- x is input and y is output (Remember: we can have more than 1 input variable influencing y)
So what is y and what is x (or our series of inputs if we had more)? Whatever we want them to be.
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25 мар 2021

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Комментарии : 126   
@hil449
@hil449 2 года назад
Hey man, you've said in one of your videos that you need feedback because you dont really know if you're impacting people's lives. Dude, srsly, you're the best teacher. Your videos on time complexity analisys are just the best all over youtube. Its not just the best video, its on par with the best articles and texts on the subject (I'd say the best would be the geeksforgeeks one). And know ive just watched your videoon quicksort and your explanation is also the best ive ever seen, its crazy haha. You're REALLY good at explaining things in a simple way, keep it up because you're impacting thousands of people all over the world. You're making a real change dude. When i get into google it'll be thanks to videos like yours haha. Greetings from brazil
@BackToBackSWE
@BackToBackSWE 2 года назад
Thank you for your kind words Hil. Your validation helps us deliver more impact. Cheers!
@ShaliniNegi24
@ShaliniNegi24 2 года назад
+1 and we need you back to RU-vid again.
@reemasharma6188
@reemasharma6188 3 года назад
Thanks a lot for coming back, please keep your videos coming, it really helps the way you explain from basics.
@BackToBackSWE
@BackToBackSWE 3 года назад
Thanks, will do!
@akshitarora470
@akshitarora470 3 года назад
So good to see you back! Have come a long way from the days when I learnt from your videos like every single day, got a job as an SDE Intern at Amazon. Thanks for coming back! You're the irreplaceable gem of this community 💎
@BackToBackSWE
@BackToBackSWE 3 года назад
Great to hear, Akshit. Mission accomplished. May we get a testimonial from you? You can reply with your email here and we will get back to you. If not all is well, congratulations.
@akshitarora470
@akshitarora470 3 года назад
@@BackToBackSWE Yes, surely Ben, that'll be great! It's: akshit0699@gmail.com
@weaponkid1121
@weaponkid1121 3 года назад
Any tips?? :)
@adityasrivastava7956
@adityasrivastava7956 2 года назад
@@weaponkid1121 Just keep hustling, that's all I can say at this moment.
@nevermore7755
@nevermore7755 2 года назад
Hey man, how is it going? I hope all is well with you! I like your videos and I would definitely like to see more coming in the future. Hope everything is okay.
@leowu5058
@leowu5058 Год назад
Really like your explanation, easy to understand, and always to the point. Please keep making more algorithm videos like this.
@yantinglai7305
@yantinglai7305 3 года назад
Just started learning to code this year in July 2021, and your video is really helpful. I found myself enjoying watching your class and couldn't wait to learn more. My fear for coding really really dissolves because of you. Thank you. Don't know how to give you more than one like, but I will try to like every course that I gonna take. Keep up the work. You Rock.
@BackToBackSWE
@BackToBackSWE 2 года назад
Thanks a lot Yanting for your constructive feedback. You could use 'RU-vid40' promo code to avail 40% off while exploring our courses.
@ethangordon3935
@ethangordon3935 3 года назад
I can watch your RU-vid videos and be completely fascinated by everything you say and then zone out during my own classes
@BackToBackSWE
@BackToBackSWE 3 года назад
haha thanks!
@JyotinderSingh
@JyotinderSingh 3 года назад
Ooh I just noticed that you posted this video! Just wanted to let you know that your work is amazing! You guys helped me get an amazing job at Cloudera last year! Thanks for everything!
@BackToBackSWE
@BackToBackSWE 2 года назад
Glad to hear that!
@free-palestine000
@free-palestine000 3 года назад
nice this is a super important topic. I went over in the beginning of my 451 class but excited to watch your videos as a refresh.
@BackToBackSWE
@BackToBackSWE 3 года назад
Hope it'll be helpful!
@santiagoreyes7849
@santiagoreyes7849 2 года назад
Hey man! I recently found your channel and I've learned so much from you, and really appreciate what you do for the CS community. It's sad to see you're not really posting anymore, but I apprecate everything you've done and wish you nothing but the best going forward.
@BackToBackSWE
@BackToBackSWE 2 года назад
Thank you, glad you liked it 😀 Do check out backtobackswe.com/platform/content and please recommend us to your family and friends 😀
@grandparick3176
@grandparick3176 3 года назад
Wow. You are back!!. Was watching your videos recently and was wondering why haven't you uploaded for a long time.
@BackToBackSWE
@BackToBackSWE 3 года назад
Yes
@MrHandsy
@MrHandsy 9 месяцев назад
You're extremely clear and concise. Much appreciated, brother.
@BackToBackSWE
@BackToBackSWE 8 месяцев назад
Happy Holidays 🎉 Thank you for your kind words, brother! We'd love to offer you a 40% Off our exclusive lifetime membership just use the code CHEER40 - backtobackswe.com/checkout?plan=lifetime-legacy&discount_code=CHEER40
@dhairyachaudhary499
@dhairyachaudhary499 3 года назад
And he's back
@BackToBackSWE
@BackToBackSWE 3 года назад
Yes
@sniff4643
@sniff4643 3 года назад
thanks a lot, this cleared up the topic for me!
@yoboydadishereyoboydadishe5559
@yoboydadishereyoboydadishe5559 3 года назад
Great to see you drop video after long time. Keep posting more quality videos!
@BackToBackSWE
@BackToBackSWE 3 года назад
Surely!
@arihantjainable
@arihantjainable 3 года назад
@@BackToBackSWE How did you get your hairline back bro? I follow you from past 2 years, really wondering! Bdw keep going, love your videos.
@aadeshsrivastava6517
@aadeshsrivastava6517 3 года назад
Good to see u back Ben! , hope you are safe and doing good there.
@free-palestine000
@free-palestine000 2 года назад
come back bro we miss you
@LawrenceDCodes.
@LawrenceDCodes. 3 года назад
Back to back is back!! Dude, where are you working these days?
@kevinbenavides92
@kevinbenavides92 3 года назад
Looking forward to the next videos man. Thanks for the upload.
@BackToBackSWE
@BackToBackSWE 3 года назад
Sure, thanks for watching!
@janerikbellingrath820
@janerikbellingrath820 Год назад
This is great!! Thanks!
@jon1907
@jon1907 3 года назад
this is what it feels like to be part of the notifications squad
@BackToBackSWE
@BackToBackSWE 3 года назад
haha
@gurbuzsanl3626
@gurbuzsanl3626 3 года назад
It's nice to see you again. Keep up the great work.
@BackToBackSWE
@BackToBackSWE 3 года назад
Thanks, will do!
@kccccccccccccccc0904
@kccccccccccccccc0904 3 года назад
yo Benyam, you should continue posting youtube videos even if it's on a different account (i know you sold back2back swe), i'd watch for sure!
@seulchankim2238
@seulchankim2238 3 года назад
Question: what does it mean that "upper bound is n minus 1 minus 0 plus 1" for O(n) example? Anyway, I love the video, thanks!
@carlosjacobfield-sierra3759
@carlosjacobfield-sierra3759 3 года назад
We need you back
@johncerpa3782
@johncerpa3782 3 года назад
Great video, thanks
@BackToBackSWE
@BackToBackSWE 3 года назад
Glad you liked it!
@chair_smesh
@chair_smesh 2 года назад
I'm 15 problems into EPI because you recommended it a while back and I have your course too. The problem is each EPI problem/solution takes almost half a day for me to understand. Do you still recommend going through EPI or just going straight to your course? Should I read EPI afterwards or will your course + leetcode on the side cover everything you need to know to pass a Google interview?
@BackToBackSWE
@BackToBackSWE 2 года назад
We believe the course would be definitely more detailed and helpful. If time permits, go through EPI as well. All the best!
@stannikolov
@stannikolov 2 года назад
Thank you!
@BackToBackSWE
@BackToBackSWE 2 года назад
Thank You, Glad you liked it. Do check out backtobackswe.com/platform/content and please recommend us to your family and friends :)
@heyjordn
@heyjordn 3 года назад
He's back!
@mahmoud2644
@mahmoud2644 3 года назад
OMGGGGGG FINALLY YOU BACKKKKEDDDDDD
@anikkhan8811
@anikkhan8811 3 года назад
Ohhh boy!!! The king is here 😍😍
@ShaliniNegi24
@ShaliniNegi24 2 года назад
we want the legend back !!
@user-ml9lh7zn7d
@user-ml9lh7zn7d 3 года назад
The return of the king!
@BackToBackSWE
@BackToBackSWE 3 года назад
Haha yes
@plusqueparfait6759
@plusqueparfait6759 2 месяца назад
which is the time complexity of the following sequence? and why? int n, i, j, k, s=0; cin>>n; for(i=1; i
@SR-we1vl
@SR-we1vl 3 года назад
And there comes the boss!👏
@BackToBackSWE
@BackToBackSWE 3 года назад
haha thanks!
@plzdntsndmestuff
@plzdntsndmestuff 2 года назад
Can someone please explain why at 3:00 he says we do n-1(Upper bound) - 1(lower bound +1; instead of n(Upper bound) - 0(Lower Bound) + 1??
@xaviercho7063
@xaviercho7063 3 года назад
aye he's back yaasss king!
@jaramneh64000
@jaramneh64000 2 года назад
i mess you man come back!
@TheMutantorange
@TheMutantorange 2 года назад
Where’d you go? 🥺 Come back..
@BackToBackSWE
@BackToBackSWE 2 года назад
Dont worry mate, stay tuned as we will be coming up with a new series with amaze mentors
@jkim5118
@jkim5118 3 года назад
Ben. Why is the update on Back to Back SWE so slow? I thought your plan was to be more active than this.
@15.anurupdas40
@15.anurupdas40 3 года назад
He's back 😭😭❤️
@BackToBackSWE
@BackToBackSWE 3 года назад
Haha yes
@alexoballs
@alexoballs 3 года назад
Wow youre back! 👋
@BackToBackSWE
@BackToBackSWE 3 года назад
Yes I am!
@yicai7
@yicai7 3 года назад
He's back
@BackToBackSWE
@BackToBackSWE 3 года назад
Yes
@TheJohnniePlays
@TheJohnniePlays 3 года назад
how much do you bench?
@exxx572
@exxx572 3 года назад
Surprise Surprise the king is back!
@BackToBackSWE
@BackToBackSWE 3 года назад
Yes
@martinharris4416
@martinharris4416 3 года назад
*WHERE WERE YOU* comon bro you have to answer this, you just popped up after a year
@adhoc3018
@adhoc3018 3 года назад
The legend is back.
@BackToBackSWE
@BackToBackSWE 3 года назад
Haha
@adityasrivastava7956
@adityasrivastava7956 3 года назад
Congratulations for promotion in Twitter to senior software developer!
@BackToBackSWE
@BackToBackSWE 2 года назад
Thanks buddy!
@filz4461
@filz4461 2 года назад
Hey @back Can you make a video on Amortized Analysis, please?
@BackToBackSWE
@BackToBackSWE 2 года назад
Hey! you should definitely get access to the entire DSA set by getting a full subscription on our platform - backtobackswe.com/pricing
@DangThinh261
@DangThinh261 3 года назад
Go go 👆
@nelsonthekinger
@nelsonthekinger 3 года назад
My Favorite MMA Fighter!! MIXED MARTIAL ALGORITHMS
@Agrover112
@Agrover112 3 года назад
Someone's backk
@BackToBackSWE
@BackToBackSWE 3 года назад
More videos to come!
@adityasrivastava7956
@adityasrivastava7956 3 года назад
Come back man! We miss you bro
@BackToBackSWE
@BackToBackSWE 2 года назад
Stay tuned! We will be launching a new interview prep module very soon :)
@adityasrivastava7956
@adityasrivastava7956 2 года назад
@@BackToBackSWE Aww so sweet of you, John Lenon Brodie!
@atulmalakar
@atulmalakar 3 года назад
Finally Ben remembers, he has a youtube audience 😌
@BackToBackSWE
@BackToBackSWE 3 года назад
I never forgot. I was caught up with making some organisational changes but now I'm back!
@WeirdStuffaaaa
@WeirdStuffaaaa 3 года назад
please make more videos .
@BackToBackSWE
@BackToBackSWE 2 года назад
Sure! we will be launching a new interview prep module very soon :)
@hiteshnagothu887
@hiteshnagothu887 3 года назад
Much awaited comeback than avengers endgame release !
@swk9015
@swk9015 2 года назад
Please come back
@BackToBackSWE
@BackToBackSWE 2 года назад
Haha! don't worry. Stay tuned as we will be launching a new interview prep module with amazing mentors!
@deepambanerjee3716
@deepambanerjee3716 3 года назад
Look whosss backkk
@BackToBackSWE
@BackToBackSWE 3 года назад
Haha yes!
@xiomina1707
@xiomina1707 2 года назад
Where are you? we need you!
@BackToBackSWE
@BackToBackSWE 2 года назад
Do check out backtobackswe.com/platform/content and please recommend us to your family and friends 😀
@ChandraShekhar-by3cd
@ChandraShekhar-by3cd 3 года назад
Pls upload more videos. We miss your explanations.
@BackToBackSWE
@BackToBackSWE 3 года назад
Sure!
@himanshu7bansal
@himanshu7bansal 3 года назад
Anyone else, who didn't remember subscribing this channel 🤔.
@chitej7373
@chitej7373 3 года назад
Man i can't believe this is this even real?
@BackToBackSWE
@BackToBackSWE 3 года назад
It is! :)
@pseudounknow5559
@pseudounknow5559 3 года назад
He is back !!!
@BackToBackSWE
@BackToBackSWE 3 года назад
Yes
@rah7207
@rah7207 3 года назад
Is that twitter office?
@AlexS-gs3sz
@AlexS-gs3sz 3 года назад
Larry Herman
@jameshets6780
@jameshets6780 2 года назад
Hey, I subscribed to your course three weeks ago and wanted to cancel. I sent two messages in the last three weeks but noone replied. Please help.
@deepika1340
@deepika1340 2 года назад
Did they refund? I’m having the same problem I’m unable to access the course and no one replies
@BackToBackSWE
@BackToBackSWE 2 года назад
@@deepika1340 Sorry, for the inconvenience Deepika. There has been an issue going on with the website, it should be back running very soon. Would love to offer you a 15 days extension on your plan as an apology!
@BackToBackSWE
@BackToBackSWE 2 года назад
I apologise for the inconvenience caused James. Would love to hear what went wrong or incase you didn't like something. Kindly provide your email id, so that we could surely help you out on the same!
@rayecho22
@rayecho22 2 года назад
Hey man, same here. I subscribed because there was a refund policy, I've sent them heaps of email, messages anything possible, but no reply. it's been 6 days and nothing at all. I started to think this is a scam.
@bakedpotato4441
@bakedpotato4441 2 года назад
I just want to come here to say that this platform failed to respond to my refund request. Didn't get a return email even after weeks of request.
@bakedpotato4441
@bakedpotato4441 2 года назад
Update: Still no response, I really don't wanna call this platform a scam but it seems so
@rayecho22
@rayecho22 2 года назад
Hey man, same here. did you have any luck contacting them? I subscribed because there was a refund policy, I've sent them heaps of email, messages anything possible, but no reply. it's been 6 days and nothing at all. I started to think this is a scam. I've also reported to paypal, so I'll see how that goes.
@Finn-jp6pn
@Finn-jp6pn 3 года назад
How have you been? :)
@BackToBackSWE
@BackToBackSWE 3 года назад
I have been good, how about you?
@Finn-jp6pn
@Finn-jp6pn 3 года назад
@@BackToBackSWE Great! Looking forward to your videos
@mandeepkumar6755
@mandeepkumar6755 3 года назад
bro you forgot your spec. 🤭
@andradacraciun3957
@andradacraciun3957 3 года назад
Marry me!
@rayecho22
@rayecho22 2 года назад
I subscribed because there was a refund policy, I've sent them heaps of email, messages anything possible, but no reply. it's been 6 days and nothing at all. I started to think this is a scam.
@BackToBackSWE
@BackToBackSWE 2 года назад
Hi, I'm sorry. Can you please email the details at charu@backtobackswe.com We will get the issue resolved at the earliest.
@tsteak5249
@tsteak5249 2 года назад
supahotfire had a real glowup
@BackToBackSWE
@BackToBackSWE 2 года назад
Thank you, glad you liked it 😀 Do check out backtobackswe.com/platform/content and please recommend us to your family and friends 😀
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