What is cin?

Answer 1

it is used to input a number or a string without space

Answer 2

cin is a user input for example

int a;
cout<<"enter a number";
cin>>a;

so u can enter a number in the place of a

Answer 3

thanks

Answer 4

if u want to include with space u can use getline() function

Answer 5

cin is used for person to input data or infomation