Question

Look at the examples to see what do I want

string name
cin >> name;

This example does not allow spaces or multi line

char name[20];
cin.getline(name,20);

This example allow spaces and multi line

My question:
I want to using string data type with getline function or other function work with string data type allows mulitline and spaces

Answer 1

There’s a global getline function that works on strings.

string name;
getline(cin,name);

You can get multiple lines by specifying a terminating character other than ‘\n’

getline(cin,name,'#');