How to input a sentence with spaces?

Question

#include <iostream>
#include <string>
using namespace std;

int main() {
cout <<"Enter a sentence:";
string sentence="";
cin >>sentence;
cout <<sentence;
return 0;
}
Input: C++ is best language ever
Output: C++

Answer 1

you can us getchar_unlocked(variable name)it is the fastest input taking function....

Answer 2

you can use getline. it is the function that requires two parameters:
string n;
getline (cin, n);
now that you enter a sentence it will be assigned to ur variable called n

Answer 3

its 1 word because cin function will stop read input until the user input a blank char such as space,tab, or enter