Is this code correct for Strobogrammatic number

#1

Is this code correct for Strobogrammatic number

Or I have to apply some other logic.

#2

Hey @cbcao263 where did you got to know about strobogrammatic number ?
Give me reference for that definition so that I can tell you will it perform your requirements or not

#3

Okay I got it. The answer for your question is no. It won’t be strobogrammatic cause you will encounter special cases I.e., side cases from this question, which doesn’t give strobogrammatic number as an output. If you want I can provide you with those side cases too. Hope this would help :slight_smile:

#4

Yes Sir, Please help for that cases too.

#5

I have seen your code, have you tried running it for cases such as
09990
19861
08888
14341
As I can see it’s giving you segmentation fault with your custom input only :frowning:

#6

Please send your code while adding comments to so that I can understand your approach as well. I know you can do that :slight_smile:

#7

I have explained in end.

#8

Hey @cbcao263, that’s a good explanation via comments, I’ll debug it soon and let you know :slight_smile:

#9

Hey friend your code fails in these cases

image
image2160×1391 577 KB

The output should be yes but due to conditions you have applied it’s showing no, whereas I would suggest to use char array instead of string and array in place of vector for better implementation, cause I can see your implementation is also wrong as it gives segmentation fault. I would suggest you to see editorial on leetcode for this so that you can get a better approach. Hope this would help you :slight_smile:

#10

Sir it is not available as it is in Premium Part.
How can I access to solutions or other problems of premium part.

#11

Don’t dare to buy premium, it’s not worth it. Whereas see this video and only understand it’s implementation. https://youtu.be/MN3GZV4c7LA
This may surely help you @cbcao263 :smile:

#12

OMG, Is It so.
I just thought this part is good then premium must be awesome.

Okayy Thanks Sir

#13

Sir, I found one of my mistake via the example that you gave that is I also need to reverse the output string and only then it will gonna match.
Wait lemme try and will tell you.

#14

Sir It is giving correct output,

Please tell If It is correct.

#15

Hey @cbcao263, yes this implementation is good. Have you considered watching that video I have provided? Moreover if you have to read editorial for premium content, try to go in discuss section of that question. There people usually upload something related to question which is quite helpful to save money :slight_smile:

#16

Actually This Question is locked only.
:smiley:
And we can’t even see the question too…

And for video, I haven’t seen yet because I tried on my own for strobogrammatic number as per wrong case being provided and it’s working for now…
Video is 1 Advance version of this and in Java.
Will try to understand the logic and will apply in C++.

#17

Very good @cbcao263 :slight_smile:

#18

Bro One More Question, Where should I focus
I am confused between Leetcode and Interview Bit and currently do on Leetcode.
Is It good and How many questions to do that daily?

#19

If you want string grip on DSA then go for competitive programming, but if you don’t want to then you can go with both of them I.e., leetcode and interview bit too. Now one advise that you need not to do all the questions on leetcode. There’s a like and a dislike button on every question of leetcode. Don’t go for those questions which have more then 25% of dislikes then likes of that particular question. Don’t go for a particular number of questions, just do as many as possible cause some questions will take your entire day and some 10 mins. I guess that will be enough :slight_smile:

#20

And Bro What If I want to get into CP more and want good rank on CF and good stars on CC.
Then What should I do?