DSA SHORT NOTES
(CODING NINJAS)
DESIGNED BY DEEPAK
KUMAR
B TECH CSE IIT KHARAGPUR
CO FOUNDER OF CODING
NINJAS
FOR MORE
INFO :7725909404
,C++ Basics – CODING NINJAS A2Z DSA
Course - L1
take U forward
This is a full-fledged interview preparation website that I run on
my end so if you 're someone who has three months to like six
months of time left for interviews I will definitely ask you how
to check this Strivers SD sheet. This is one of the most followed
resources in the country as of now what does this resource
gives you it gives you 119 well curated problems such that all
your DS algo Concepts will be covered. You should definitely
check out coding ninjas because web development okay data
Stitch algorithm foreign County there 's a link in the description
, make sure you check them out I 'll be using vs code in order to
code I'll be writing my C plus plus code over here and whatever
the code generates as an output will be produced over here. In
the next video we will be covering Java 1. C plus plus we can
use the hash include so hash include i o stream imagine if you
want to use something like a math dot h I 'll be talking about
radical functions afterwards. C out is a function which exists
under the STD and double colon so in order to use C out you
have to write STD.
Program always uses STD for all the functions for most of the
functions you have to write STD double colon double Corner. If
you compile it prints everything now it looks a easier task is n't
it so this is how you can easily write okay now let 's quickly
have an input imagine you want to take an input. It's going to
take you a lot of time this is where C plus plus C is a I 've got
something better for you I say can I write bits STD C plus Plus C
plusplus C. It includes all the libraries everything whatever
libraries are there in C plus. plus plus. everything is included
under this bits slash stdc pluscplus plus dot h. We will be
specifically using two data types float and double again they
have ranges depending on the Range that you use you 'll be
using float or double the ranges are visible on the screen. If
you want to store bigger numbers than this this is where
something like long long will come in so if you are saying long
long it will give you a wider range.
If we use something like get line inside the get line you have to
write CN what is get line again do not need to dig deep it's an
internal function. The moment you click enter the next line will
not be picked up so it just picks up till the line break so string
and get line is used to take any of the string. Character can
store all of the 256 characters in English dictionary. If we have
something like a 10 and that 10 can be stored in all the three
or all the five why ca n't we use simply long long or maybe
double? Everything takes up a certain space in your computer
so depending on that we decide what to use now integer has a
range now those numbers you can't uh remember so what I
usually do is I keep a rounding of number like I know integer
will be from minus 10 to the power 9 to 10 to power 9. If you
are greater than equal to 18 then I can say you are an adult
you're an adult yes or if you are lesser than 18 E1 not an adult.
If you omit the else statement what will happen is the 15 will
(CODING NINJAS)
DESIGNED BY DEEPAK
KUMAR
B TECH CSE IIT KHARAGPUR
CO FOUNDER OF CODING
NINJAS
FOR MORE
INFO :7725909404
,C++ Basics – CODING NINJAS A2Z DSA
Course - L1
take U forward
This is a full-fledged interview preparation website that I run on
my end so if you 're someone who has three months to like six
months of time left for interviews I will definitely ask you how
to check this Strivers SD sheet. This is one of the most followed
resources in the country as of now what does this resource
gives you it gives you 119 well curated problems such that all
your DS algo Concepts will be covered. You should definitely
check out coding ninjas because web development okay data
Stitch algorithm foreign County there 's a link in the description
, make sure you check them out I 'll be using vs code in order to
code I'll be writing my C plus plus code over here and whatever
the code generates as an output will be produced over here. In
the next video we will be covering Java 1. C plus plus we can
use the hash include so hash include i o stream imagine if you
want to use something like a math dot h I 'll be talking about
radical functions afterwards. C out is a function which exists
under the STD and double colon so in order to use C out you
have to write STD.
Program always uses STD for all the functions for most of the
functions you have to write STD double colon double Corner. If
you compile it prints everything now it looks a easier task is n't
it so this is how you can easily write okay now let 's quickly
have an input imagine you want to take an input. It's going to
take you a lot of time this is where C plus plus C is a I 've got
something better for you I say can I write bits STD C plus Plus C
plusplus C. It includes all the libraries everything whatever
libraries are there in C plus. plus plus. everything is included
under this bits slash stdc pluscplus plus dot h. We will be
specifically using two data types float and double again they
have ranges depending on the Range that you use you 'll be
using float or double the ranges are visible on the screen. If
you want to store bigger numbers than this this is where
something like long long will come in so if you are saying long
long it will give you a wider range.
If we use something like get line inside the get line you have to
write CN what is get line again do not need to dig deep it's an
internal function. The moment you click enter the next line will
not be picked up so it just picks up till the line break so string
and get line is used to take any of the string. Character can
store all of the 256 characters in English dictionary. If we have
something like a 10 and that 10 can be stored in all the three
or all the five why ca n't we use simply long long or maybe
double? Everything takes up a certain space in your computer
so depending on that we decide what to use now integer has a
range now those numbers you can't uh remember so what I
usually do is I keep a rounding of number like I know integer
will be from minus 10 to the power 9 to 10 to power 9. If you
are greater than equal to 18 then I can say you are an adult
you're an adult yes or if you are lesser than 18 E1 not an adult.
If you omit the else statement what will happen is the 15 will
