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Introduction to Data Structures & Algorithms
CodeWithHarry:should be able to use it in your work or in your projects or in your courses or in your projects that you are
doing in the future or in your work that you are doing right now so if you want to use something then you s
hould be able to use it in your work or in your projects or in your courses or in your future work or in your
projects that you are doing right now
...
I
have been in the industry for a long time now and I have seen a lot of people learning C , C++ and when t
hey start to learn it they get very lost & confused & they don’t know what they are doing & they don’t know
how to use the language properly & eventually they stop learning it & they end up becoming a beginner a
gain & that is not good for the industry & it is not good for the learners either so I would say learn C , C++
& don’t get lost in the language learning process
a break for a while I understand that you are very busy for the next few days and I understand that you ar
e very busy for the next few weeks and I understand that you have a lot of questions so I ’ll just stop now
and I ’ll come back to you in a few days and we will start the next video where we will talk about algorithm
s and data structures and then we will talk about interviews and then finally we will talk about the final exa
m and you can ask me any questions that you have in your mind so that ’s all for now I ’ll come back to yo
u in a few days and we will start the next videowhat is the data structure of chrome so now we see that th
e data structure is called RAM so the data structure of a database is called RAM because when the progr
am starts it will load into RAM the data structure of the database which is called RAM
...
I want to keep the data in a different database so wha
t I have to do is I have to create a new database and I have to name it ‘‘ legacyData ’’ I have to create a n
ew table in that database and I have to add the following column in the table ‘‘ Birthday ‘‘ I have to add the
following column in the table ‘‘ Year ‘‘ Now I have to run the program and I will get the following result in t
he console ‘‘ Facebook 2020 ‘‘ Facebook 2021 ‘‘ Facebook 2009 ‘‘ ‘‘ Facebook 2020 ‘‘ Facebook 2021 ‘‘ F
acebook 2009 ‘‘ ‘‘ Facebook 2009 ‘‘ You retrieve and read the data from hard disk drive and update it
...
memory location where the C
program stores the data that is to be processed next and the heap is a memory location where the C pro
gram stores the data that is to be processed next but the data that is to be processed next is not always st
ored in the same location as the data that is to be processed next because the C program can keep data i
n different memory locations depending on the situation and this is why it is important for you to understan
d the stack and heap because you will be able to understand the C program better and be able to ask mor
e questions on the C program
...
I ’m talking about C program that ’s why I say that you get a good
picture of memory with the help of C programming therefore , data structures and algorithms is best learn
ed from C and C++ Now here I am dividing it into segments so there is thing called code segment let ’s sa
y this is my code let ’s say there is a code with the name ‘‘ harry
...
fun2 ( ) is calling inside fun1 ( ) now the variables that I had created insid
e it will be created here let ’s say I have created ‘‘ k ’’ & ‘‘ l ’’ let me write here : initialize k and l and after th
at I ’m calling fun2 ( ) so as soon as fun2 ( ) will be called it will say to fun1 ( ) that you wait for a while , I c
all fun2 ( ) and be back by fetching the value whatever it will return fun1 ( ) replied that you go and get it c
all fun2 ( ) and get its value
...
it will say to fun1 ( ) that you ’re coming back and now you can start your execu
tion again
...
So th
at thing is done here with the help of dynamic memory because when does the stack of a function end it e
nds when the function is returned
...
You go and get it an
d then what will happen, fun function will be called
...
If you still think that you wan
t to do all of these things with Python, then I am saying that when you will go for an interview, the person i
n front of you will expect C, C++, or Java from you
...