1.1 Arrays in Data Structure | Declaration, Initialization, Memory representation
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- Опубліковано 7 вер 2024
- CORRECTION: At run time initialization we will write:
scanf("%d", &a[i]);
Discussed Need of Array, Declaration of Array, Initialization of Array, Memory Representation of Array (Data Structures and Algorithms)
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CORRECTION: At run time initialization we will write:
scanf("%d", &a[i]);
Okay ma'am
CORRECTION: in the for loop, the statement should be like
for(i=0 ;i < 5; i++)// to initialize 5 elements
Mam we can also write scanf("%d",a+i);
@@anantkumar9345 yes because the name of the array is actually a pointer to the first index of the array, so you can use that as a is actually an address. But you have to remember that in pointer arithmetic if you do +1 in this case than the address will not increase by 1 but 1 times the size of the data type, so in int's case that will be 4.
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21:11 shouldn’t it be &a inside scanf?
@@dashikook758 Yes, that's also mentioned in the description 😃
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Mam, while you were calculating the address of the third element in the array, you used Big Oh notation, which I guess many of the students won't be knowing! I figured out just because I saw the syllabus of DS. Even I don't know that in detail, just a bit of it.
We all will be thankful to you if you make a separate video on Asymptotic Notations like, Big Oh notation, Omega notation, Theta notation, etc and explain it all.
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UA-cam showed me this video in recommendation and i found these lectures are quiet good but its my personal advice who wants to learn data structure in real manner then learn these books:
1. The algorithms by robert sedgewick.
2. Art of computer programming by donald knuth.
3. Algorithms by steven skiena.
But if you only just want to clear exams then these lectures are more than enough as shes put alot of effort in them but if you want to become a good programmer or software engineer. Those above mentioned books are must read. I have been coding for 5 years and i have learnt those books and seriously they are awesome.
You can also read the data structure's bible named coreman to learn more about algorithms mathematical explanation.
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thanku
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21:00 this should be i
right
I am a mechanical student but personally loved the video, stood straight for 22 minutes
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Ma'am you should also make a video containing the introduction section as well as syllabus
This will help students to study in a proper way
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CORRECTION: From 20:53 the for loop iterates only 4 times , you have to use i
is it true??
@@pol4699 i = 0 then 1 then 2 then 3 then 4 then 5, after it is 5 it stops
Also she forgot to use "&" while using scanf
@@zainmukhair7512 see once again if it is required there
@@SantoshKumar-lz2ti why do you think it's not required there 🤔?
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in the for loop there is a minute mistake
for(int i=0;i
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At runtime initialization of array the loop should iterarte 5 times but here loop is iterating for 4 times we should replace 4 with 5 or we should use
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at 21:15 the code of inserting the element of array the scanf code of line should be scanf("%d", &a[i]);
Yeah same the coment i were going to give...
also for 5 element loop must be like for(int i=0;i
@@E_AlIslam what is %d in that can you please explain and it is in " " so won't it behave like a string didn't got it please explain
@@sarthakbajaj8798 its called format specifier , to take input or to show output we use those specifiers for example:
%d is format specifier for integer
%f for format specifier for float
%s for format specifier for string
and many more
@@gurukirans266 thank you so much !!is it for C language like I have done java so in java its like seperator like /n but never seen %d , % was used to seperate digits from no like d=23 and a=d%10 so a will store 3 so is this %same or different
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Can you please tell me that this playlist of data structure is based on which language...C or C++ or Java??? I'm a beginner 🔰 please help
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@21:11 mam you have written
for(i=0;i
@Game Lovers no bro it need to be i
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At 20:52, it should be -> for(i=0; i
Actually the size of the array is 5 which includes the null zero at the end. That array of size 5 should only take 4 inputs. This is the way array works in C.
@@tash539 But here we need 5 inputs, not 4 and I know how array works in C
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