How do I write a C++ program that converts from 24-hour notation to 12-hour notation?

I need help in writing a C++ program that converts 24-hour notation to 12-hour notation. (For example, it should convert 14:25 to 2:25 P.M. The input is given as two integers. There are three functions: one for input, one to do the conversion, and one for output. Record the A.M./P.M. information as a value of type char, 'A' for A.M. and 'P' for P.M. Thus, the function for doing the conversions will have a call-by-reference formal parameter of type char to record whether it is A.M. of P.M. ) Specifically, I need help iin defining the function :  int convertTo12Hour(int hours, char& type)
The code I have so far is:

[CODE]
#include <iostream>
using namespace std;


void input(int& hours, int& minutes);
void output(int hours, int minutes, char type);
int convertTo12Hour(int hours, char& type);

int main() {
  int hours;
  int minutes;
  char type;
  char answer;
 
  do
   {
    input(hours, minutes);
    hours = convertTo12Hour(hours, type);
    output(hours, minutes, type);

    cout << "Perform another calculation? (y/n): ";
    cin >> answer;

    } while ((answer == 'Y') || (answer == 'y'));

  return 0;
}
 
void input(int& hours, int& minutes) {
  cout << "Enter the hours for the 24 hour time: ";
  cin >> hours;
  cout << "Enter the minutes for the 24 hour time: ";
  cin >> minutes;
 }
//
// Displays a time in 12 hour notation
//
void output(int hours, int minutes, char type) {
  cout << "The time converted to 12 hour format is: " << hours << ":";  
  //
  // special handling for leading 0s on the minutes
  //
  cout.width(2);
  cout.fill('0');
  cout << minutes;
  //
  if (type == 'A')
    cout << " A.M." << endl;
  else
    cout << " P.M." << endl;
 }
 
int convertTo12Hour(int hours, char& type);{