Check out example codes for "how to declare string in c++ and taking the input". It will help you in understanding the concepts better.

Code Example 1

string fullName;
cout << "Type your full name: ";
getline (cin, fullName);
cout << "Your name is: " << fullName;

Code Example 2

string firstName; //unlike array, no need to mention the size of the sting
cout << "Type your first name: "; 
cin >> 
  firstName; //this is important
  // get user input from the keyboard
cout << "Your name is: " << 

// Type your first name: John
// Your name is: John

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