Question
Write a program that reads a person’s name in the following format: first
name, then middle name or initial, and then last name. The program then
outputs the name in the following format:
Last_Name, First_Name Middle_Initial.
For example, the input
Mary Average User
should produce the output:
User, Mary A.
The input
Mary A. User
should also produce the output:
User, Mary A.
Your program should work the same and place a period after the middle
initial even if the input did not contain a period. Your program should
allow for users who give no middle name or middle initial. In that case,
the output, of course, contains no middle name or initial. For example,
the input
Mary User
should produce the output
User, Mary
If you are using C strings, assume that each name is at most 20 characters
long. Alternatively, use the class string. Hint: You may want to use three
string variables rather than one large string variable for the input. You
may find it easier to not use getline.
Answer
PROGRAM CODE:
//Header file section
#include <iostream>
#include <string>
using namespace std;
int main()
{
string firstName, middleName, lastName;
char middleInitial;
// Ask the user to input the name
cout << "Enter your name in the format: First Name Middle Name/Initial Last Name: ";
cin >> firstName;
// Check if the user provided a middle name or initial
if (cin.peek() != '\n') {
// Read the middle name/initial
cin >> middleName;
// If the input contains a period after the middle name/initial, ignore it
if (middleName.back() == '.') {
middleName.pop_back();
}
// If the middle name/initial is more than one character, consider it as a name
if (middleName.length() > 1) {
lastName = middleName;
cin >> middleInitial;
} else {
cin >> lastName;
}
} else {
// If no middle name or initial is provided, directly read the last name
cin >> lastName;
}
// Output the name in the desired format
cout << lastName << ", " << firstName << " ";
if (!middleName.empty() && middleName.length() == 1) {
cout << middleName << ".";
}
cout << endl;
return 0;
}
OUTPUT:
Enter your name in the format: First Name Middle Name/Initial Last Name: John Martin Peter
Martin, John